????

Display for Planar64+Planar64Mat3
WRONG
2023-10-14 12:02:15 -07:00 · 2023-10-14 11:59:44 -07:00 · 2023-10-14 11:59:31 -07:00 · 2023-10-14 11:39:21 -07:00 · 2023-10-14 11:38:54 -07:00 · 2023-10-14 11:22:36 -07:00
22 changed files with 5278 additions and 594 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1 +1,2 @@
 /target
+/textures
--- a/Cargo.lock
+++ b/Cargo.lock
@ -157,6 +157,12 @@ dependencies = [
 "rustc-demangle",
 ]

+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@ -184,12 +190,35 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"

+[[package]]
+name = "blake3"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "199c42ab6972d92c9f8995f086273d25c42fc0f7b2a1fcefba465c1352d25ba5"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "cc",
+ "cfg-if",
+ "constant_time_eq",
+ "digest",
+]
+
 [[package]]
 name = "block"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"

+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-sys"
 version = "0.1.0-beta.1"
@ -302,6 +331,18 @@ dependencies = [
 "crossbeam-utils",
 ]

+[[package]]
+name = "configparser"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5458d9d1a587efaf5091602c59d299696a3877a439c8f6d461a2d3cce11df87a"
+
+[[package]]
+name = "constant_time_eq"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7144d30dcf0fafbce74250a3963025d8d52177934239851c917d29f1df280c2"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@ -360,6 +401,16 @@ dependencies = [
 "cfg-if",
 ]

+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "d3d12"
 version = "0.7.0"
@ -382,6 +433,17 @@ dependencies = [
 "enum_primitive",
 ]

+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "dispatch"
 version = "0.2.0"
@ -555,6 +617,16 @@ dependencies = [
 "waker-fn",
 ]

+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.10"
@ -768,6 +840,29 @@ dependencies = [
 "pkg-config",
 ]

+[[package]]
+name = "lazy-regex"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e723bd417b2df60a0f6a2b6825f297ea04b245d4ba52b5a22cb679bdf58b05fa"
+dependencies = [
+ "lazy-regex-proc_macros",
+ "once_cell",
+ "regex",
+]
+
+[[package]]
+name = "lazy-regex-proc_macros"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f0a1d9139f0ee2e862e08a9c5d0ba0470f2aa21cd1e1aa1b1562f83116c725f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@ -822,6 +917,26 @@ version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"

+[[package]]
+name = "lz4"
+version = "1.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e9e2dd86df36ce760a60f6ff6ad526f7ba1f14ba0356f8254fb6905e6494df1"
+dependencies = [
+ "libc",
+ "lz4-sys",
+]
+
+[[package]]
+name = "lz4-sys"
+version = "1.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57d27b317e207b10f69f5e75494119e391a96f48861ae870d1da6edac98ca900"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@ -1198,6 +1313,12 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"

+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@ -1222,6 +1343,19 @@ name = "profiling"
 version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46b2164ebdb1dfeec5e337be164292351e11daf63a05174c6776b2f47460f0c9"
+dependencies = [
+ "profiling-procmacros",
+]
+
+[[package]]
+name = "profiling-procmacros"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74c55e9e629af5298a40e0fa106435b2da30484c4ec76b41d19bc4d00dd8b903"
+dependencies = [
+ "quote",
+ "syn 2.0.29",
+]

 [[package]]
 name = "quote"
@ -1232,6 +1366,36 @@ dependencies = [
 "proc-macro2",
 ]

+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "range-alloc"
 version = "0.1.3"
@ -1244,6 +1408,83 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2ff9a1f06a88b01621b7ae906ef0211290d1c8a168a15542486a8f61c0833b9"

+[[package]]
+name = "rbx_binary"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e50573021d04b680018955662eba7dc4aac3de92219231798f6c9b41e38ab01"
+dependencies = [
+ "log",
+ "lz4",
+ "profiling",
+ "rbx_dom_weak",
+ "rbx_reflection",
+ "rbx_reflection_database",
+ "thiserror",
+]
+
+[[package]]
+name = "rbx_dom_weak"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "161729449bbb0cfa657ce7bcca6a160d0af06d8b8d9efdc9abe14735dccacdb9"
+dependencies = [
+ "rbx_types",
+ "serde",
+]
+
+[[package]]
+name = "rbx_reflection"
+version = "4.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08bd48487192046fec8f805f3fa29f3d7d5beb9890b0859b1a92bd8aff580343"
+dependencies = [
+ "rbx_types",
+ "serde",
+ "thiserror",
+]
+
+[[package]]
+name = "rbx_reflection_database"
+version = "0.2.7+roblox-588"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1be6cf674182806f11ad4899dd1feafe977591f1ae035ae05a58d4b74e487276"
+dependencies = [
+ "lazy_static",
+ "rbx_reflection",
+ "rmp-serde",
+ "serde",
+]
+
+[[package]]
+name = "rbx_types"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "070106e926b8ae54c7bc443e5db4d868d7f0af51c1d7cfd7efe1364c1753d8a3"
+dependencies = [
+ "base64",
+ "bitflags 1.3.2",
+ "blake3",
+ "lazy_static",
+ "rand",
+ "serde",
+ "thiserror",
+]
+
+[[package]]
+name = "rbx_xml"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bc65b70827519fdc4ab47416d1085b912f087fadab9ed415471b6daba635574"
+dependencies = [
+ "base64",
+ "log",
+ "rbx_dom_weak",
+ "rbx_reflection",
+ "rbx_reflection_database",
+ "xml-rs",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
@ -1255,9 +1496,9 @@ dependencies = [

 [[package]]
 name = "regex"
-version = "1.9.4"
+version = "1.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12de2eff854e5fa4b1295edd650e227e9d8fb0c9e90b12e7f36d6a6811791a29"
+checksum = "697061221ea1b4a94a624f67d0ae2bfe4e22b8a17b6a192afb11046542cc8c47"
 dependencies = [
 "aho-corasick",
 "memchr",
@ -1267,9 +1508,9 @@ dependencies = [

 [[package]]
 name = "regex-automata"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49530408a136e16e5b486e883fbb6ba058e8e4e8ae6621a77b048b314336e629"
+checksum = "c2f401f4955220693b56f8ec66ee9c78abffd8d1c4f23dc41a23839eb88f0795"
 dependencies = [
 "aho-corasick",
 "memchr",
@ -1288,6 +1529,28 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "216080ab382b992234dda86873c18d4c48358f5cfcb70fd693d7f6f2131b628b"

+[[package]]
+name = "rmp"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f9860a6cc38ed1da53456442089b4dfa35e7cedaa326df63017af88385e6b20"
+dependencies = [
+ "byteorder",
+ "num-traits 0.2.16",
+ "paste",
+]
+
+[[package]]
+name = "rmp-serde"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bffea85eea980d8a74453e5d02a8d93028f3c34725de143085a844ebe953258a"
+dependencies = [
+ "byteorder",
+ "rmp",
+ "serde",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@ -1338,6 +1601,26 @@ dependencies = [
 "tiny-skia",
 ]

+[[package]]
+name = "serde"
+version = "1.0.188"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.188"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.7"
@ -1405,16 +1688,23 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"

 [[package]]
 name = "strafe-client"
-version = "0.2.0"
+version = "0.8.0"
 dependencies = [
 "async-executor",
 "bytemuck",
+ "configparser",
 "ddsfile",
 "env_logger",
 "glam",
+ "lazy-regex",
 "log",
 "obj",
+ "parking_lot",
 "pollster",
+ "rbx_binary",
+ "rbx_dom_weak",
+ "rbx_reflection_database",
+ "rbx_xml",
 "wgpu",
 "winit",
 ]
@ -1425,6 +1715,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"

+[[package]]
+name = "subtle"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@ -1524,6 +1820,12 @@ version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a464a4b34948a5f67fddd2b823c62d9d92e44be75058b99939eae6c5b6960b33"

+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.11"
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "strafe-client"
-version = "0.2.0"
+version = "0.8.0"
 edition = "2021"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@ -8,16 +8,23 @@ edition = "2021"
 [dependencies]
 async-executor = "1.5.1"
 bytemuck = { version = "1.13.1", features = ["derive"] }
+configparser = "3.0.2"
 ddsfile = "0.5.1"
 env_logger = "0.10.0"
 glam = "0.24.1"
+lazy-regex = "3.0.2"
 log = "0.4.20"
 obj = "0.10.2"
+parking_lot = "0.12.1"
 pollster = "0.3.0"
+rbx_binary = "0.7.1"
+rbx_dom_weak = "2.5.0"
+rbx_reflection_database = "0.2.7"
+rbx_xml = "0.13.1"
 wgpu = "0.17.0"
 winit = "0.28.6"

-[profile.release]
-lto = true
-strip = true
-codegen-units = 1
+#[profile.release]
+#lto = true
+#strip = true
+#codegen-units = 1
--- a/images/squid.dds
+++ b/images/squid.dds
--- a/src/aabb.rs
+++ b/src/aabb.rs
@ -0,0 +1,89 @@
+use crate::integer::Planar64Vec3;
+
+#[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)]
+pub enum AabbFace{
+	Right,//+X
+	Top,
+	Back,
+	Left,
+	Bottom,
+	Front,
+}
+#[derive(Clone)]
+pub struct Aabb{
+	pub min:Planar64Vec3,
+	pub max:Planar64Vec3,
+}
+
+impl Default for Aabb {
+	fn default()->Self {
+		Self{min:Planar64Vec3::MAX,max:Planar64Vec3::MIN}
+	}
+}
+
+impl Aabb{
+	const VERTEX_DATA:[Planar64Vec3;8]=[
+		Planar64Vec3::int( 1,-1,-1),
+		Planar64Vec3::int( 1, 1,-1),
+		Planar64Vec3::int( 1, 1, 1),
+		Planar64Vec3::int( 1,-1, 1),
+		Planar64Vec3::int(-1,-1, 1),
+		Planar64Vec3::int(-1, 1, 1),
+		Planar64Vec3::int(-1, 1,-1),
+		Planar64Vec3::int(-1,-1,-1),
+	];
+
+	pub fn grow(&mut self,point:Planar64Vec3){
+		self.min=self.min.min(point);
+		self.max=self.max.max(point);
+	}
+	pub fn join(&mut self,aabb:&Aabb){
+		self.min=self.min.min(aabb.min);
+		self.max=self.max.max(aabb.max);
+	}
+	pub fn inflate(&mut self,hs:Planar64Vec3){
+		self.min-=hs;
+		self.max+=hs;
+	}
+	pub fn intersects(&self,aabb:&Aabb)->bool{
+		(self.min.cmplt(aabb.max)&aabb.min.cmplt(self.max)).all()
+	}
+	pub fn normal(face:AabbFace)->Planar64Vec3{
+		match face {
+			AabbFace::Right=>Planar64Vec3::int(1,0,0),
+			AabbFace::Top=>Planar64Vec3::int(0,1,0),
+			AabbFace::Back=>Planar64Vec3::int(0,0,1),
+			AabbFace::Left=>Planar64Vec3::int(-1,0,0),
+			AabbFace::Bottom=>Planar64Vec3::int(0,-1,0),
+			AabbFace::Front=>Planar64Vec3::int(0,0,-1),
+		}
+	}
+	pub fn unit_vertices()->[Planar64Vec3;8] {
+		return Self::VERTEX_DATA;
+	}
+	// pub fn face(&self,face:AabbFace)->Aabb {
+	// 	let mut aabb=self.clone();
+	// 	//in this implementation face = worldspace aabb face
+	// 	match face {
+	// 		AabbFace::Right => aabb.min.x=aabb.max.x,
+	// 		AabbFace::Top => aabb.min.y=aabb.max.y,
+	// 		AabbFace::Back => aabb.min.z=aabb.max.z,
+	// 		AabbFace::Left => aabb.max.x=aabb.min.x,
+	// 		AabbFace::Bottom => aabb.max.y=aabb.min.y,
+	// 		AabbFace::Front => aabb.max.z=aabb.min.z,
+	// 	}
+	// 	return aabb;
+	// }
+	pub fn center(&self)->Planar64Vec3{
+		return self.min.midpoint(self.max)
+	}
+	//probably use floats for area & volume because we don't care about precision
+	// pub fn area_weight(&self)->f32{
+	// 	let d=self.max-self.min;
+	// 	d.x*d.y+d.y*d.z+d.z*d.x
+	// }
+	// pub fn volume(&self)->f32{
+	// 	let d=self.max-self.min;
+	// 	d.x*d.y*d.z
+	// }
+}
--- a/src/bvh.rs
+++ b/src/bvh.rs
@ -0,0 +1,107 @@
+use crate::aabb::Aabb;
+
+//da algaritum
+//lista boxens
+//sort by {minx,maxx,miny,maxy,minz,maxz} (6 lists)
+//find the sets that minimizes the sum of surface areas
+//splitting is done when the minimum split sum of surface areas is larger than the node's own surface area
+
+//start with bisection into octrees because a bad bvh is still 1000x better than no bvh
+//sort the centerpoints on each axis (3 lists)
+//bv is put into octant based on whether it is upper or lower in each list
+#[derive(Default)]
+pub struct BvhNode{
+	children:Vec<Self>,
+	models:Vec<u32>,
+	aabb:Aabb,
+}
+
+impl BvhNode{
+	pub fn the_tester<F:FnMut(u32)>(&self,aabb:&Aabb,f:&mut F){
+		for &model in &self.models{
+			f(model);
+		}
+		for child in &self.children{
+			if aabb.intersects(&child.aabb){
+				child.the_tester(aabb,f);
+			}
+		}
+	}
+}
+
+pub fn generate_bvh(boxen:Vec<Aabb>)->BvhNode{
+	generate_bvh_node(boxen.into_iter().enumerate().collect())
+}
+
+fn generate_bvh_node(boxen:Vec<(usize,Aabb)>)->BvhNode{
+	let n=boxen.len();
+	if n<20{
+		let mut aabb=Aabb::default();
+		let models=boxen.into_iter().map(|b|{aabb.join(&b.1);b.0 as u32}).collect();
+		BvhNode{
+			children:Vec::new(),
+			models,
+			aabb,
+		}
+	}else{
+		let mut octant=std::collections::HashMap::with_capacity(n);//this ids which octant the boxen is put in
+		let mut sort_x=Vec::with_capacity(n);
+		let mut sort_y=Vec::with_capacity(n);
+		let mut sort_z=Vec::with_capacity(n);
+		for (i,aabb) in boxen.iter(){
+			let center=aabb.center();
+			octant.insert(*i,0);
+			sort_x.push((*i,center.x()));
+			sort_y.push((*i,center.y()));
+			sort_z.push((*i,center.z()));
+		}
+		sort_x.sort_by(|tup0,tup1|tup0.1.partial_cmp(&tup1.1).unwrap());
+		sort_y.sort_by(|tup0,tup1|tup0.1.partial_cmp(&tup1.1).unwrap());
+		sort_z.sort_by(|tup0,tup1|tup0.1.partial_cmp(&tup1.1).unwrap());
+		let h=n/2;
+		let median_x=sort_x[h].1;
+		let median_y=sort_y[h].1;
+		let median_z=sort_z[h].1;
+		for (i,c) in sort_x{
+			if median_x<c{
+				octant.insert(i,octant[&i]+1<<0);
+			}
+		}
+		for (i,c) in sort_y{
+			if median_y<c{
+				octant.insert(i,octant[&i]+1<<1);
+			}
+		}
+		for (i,c) in sort_z{
+			if median_z<c{
+				octant.insert(i,octant[&i]+1<<2);
+			}
+		}
+		//generate lists for unique octant values
+		let mut list_list=Vec::with_capacity(8);
+		let mut octant_list=Vec::with_capacity(8);
+		for (i,aabb) in boxen.into_iter(){
+			let octant_id=octant[&i];
+			let list_id=if let Some(list_id)=octant_list.iter().position(|&id|id==octant_id){
+				list_id
+			}else{
+				let list_id=list_list.len();
+				octant_list.push(octant_id);
+				list_list.push(Vec::new());
+				list_id
+			};
+			list_list[list_id].push((i,aabb));
+		}
+		let mut aabb=Aabb::default();
+		let children=list_list.into_iter().map(|b|{
+			let node=generate_bvh_node(b);
+			aabb.join(&node.aabb);
+			node
+		}).collect();
+		BvhNode{
+			children,
+			models:Vec::new(),
+			aabb,
+		}
+	}
+}
--- a/src/framework.rs
+++ b/src/framework.rs
@ -1,12 +1,10 @@
 use std::future::Future;
 #[cfg(target_arch = "wasm32")]
 use std::str::FromStr;
-#[cfg(not(target_arch = "wasm32"))]
-use std::time::Instant;
 #[cfg(target_arch = "wasm32")]
 use web_sys::{ImageBitmapRenderingContext, OffscreenCanvas};
 use winit::{
-	event::{self, WindowEvent},
+	event::{self, WindowEvent, DeviceEvent},
 	event_loop::{ControlFlow, EventLoop},
 };

@ -53,8 +51,9 @@ pub trait Example: 'static + Sized {
 		device: &wgpu::Device,
 		queue: &wgpu::Queue,
 	);
-	fn update(&mut self, event: WindowEvent);
-	fn move_mouse(&mut self, delta: (f64,f64));
+	fn update(&mut self, window: &winit::window::Window, device: &wgpu::Device, queue: &wgpu::Queue, event: WindowEvent);
+	fn device_event(&mut self, window: &winit::window::Window, event: DeviceEvent);
+	fn load_file(&mut self, path:std::path::PathBuf, device: &wgpu::Device, queue: &wgpu::Queue);
 	fn render(
 		&mut self,
 		view: &wgpu::TextureView,
@ -181,9 +180,41 @@ async fn setup<E: Example>(title: &str) -> Setup {

 		(size, surface)
 	};
-	let adapter = wgpu::util::initialize_adapter_from_env_or_default(&instance, Some(&surface))
-		.await
-		.expect("No suitable GPU adapters found on the system!");
+
+	let adapter;
+
+	let optional_features = E::optional_features();
+	let required_features = E::required_features();
+
+	//no helper function smh gotta write it myself
+	let adapters = instance.enumerate_adapters(backends);
+
+	let mut chosen_adapter = None;
+	let mut chosen_adapter_score=0;
+	for adapter in adapters {
+		if !adapter.is_surface_supported(&surface) {
+			continue;
+		}
+
+		let score=match adapter.get_info().device_type{
+			wgpu::DeviceType::IntegratedGpu=>3,
+			wgpu::DeviceType::DiscreteGpu=>4,
+			wgpu::DeviceType::VirtualGpu=>2,
+			wgpu::DeviceType::Other|wgpu::DeviceType::Cpu=>1,
+		};
+
+		let adapter_features = adapter.features();
+		if chosen_adapter_score<score&&adapter_features.contains(required_features) {
+			chosen_adapter_score=score;
+			chosen_adapter=Some(adapter);
+		}
+	}
+
+	if let Some(maybe_chosen_adapter) = chosen_adapter{
+		adapter=maybe_chosen_adapter;
+	}else{
+		panic!("No suitable GPU adapters found on the system!");
+	}

 	#[cfg(not(target_arch = "wasm32"))]
 	{
@ -191,15 +222,6 @@ async fn setup<E: Example>(title: &str) -> Setup {
 		println!("Using {} ({:?})", adapter_info.name, adapter_info.backend);
 	}

-	let optional_features = E::optional_features();
-	let required_features = E::required_features();
-	let adapter_features = adapter.features();
-	assert!(
-		adapter_features.contains(required_features),
-		"Adapter does not support required features for this example: {:?}",
-		required_features - adapter_features
-	);
-
 	let required_downlevel_capabilities = E::required_downlevel_capabilities();
 	let downlevel_capabilities = adapter.get_downlevel_capabilities();
 	assert!(
@ -223,7 +245,7 @@ async fn setup<E: Example>(title: &str) -> Setup {
 		.request_device(
 			&wgpu::DeviceDescriptor {
 				label: None,
-				features: (optional_features & adapter_features) | required_features,
+				features: (optional_features & adapter.features()) | required_features,
 				limits: needed_limits,
 			},
 			trace_dir.ok().as_ref().map(std::path::Path::new),
@ -279,11 +301,6 @@ fn start<E: Example>(
 	log::info!("Initializing the example...");
 	let mut example = E::init(&config, &adapter, &device, &queue);

-	#[cfg(not(target_arch = "wasm32"))]
-	let mut last_frame_inst = Instant::now();
-	#[cfg(not(target_arch = "wasm32"))]
-	let (mut frame_count, mut accum_time) = (0, 0.0);
-
 	log::info!("Entering render loop...");
 	event_loop.run(move |event, _, control_flow| {
 		let _ = (&instance, &adapter); // force ownership by the closure
@ -342,7 +359,7 @@ fn start<E: Example>(
 				WindowEvent::KeyboardInput {
 					input:
 						event::KeyboardInput {
-							virtual_keycode: Some(event::VirtualKeyCode::R),
+							virtual_keycode: Some(event::VirtualKeyCode::Scroll),
 							state: event::ElementState::Pressed,
 							..
 						},
@ -351,33 +368,16 @@ fn start<E: Example>(
 					println!("{:#?}", instance.generate_report());
 				}
 				_ => {
-					example.update(event);
+					example.update(&window,&device,&queue,event);
 				}
 			},
 			event::Event::DeviceEvent {
-				event:
-					winit::event::DeviceEvent::MouseMotion {
-						delta,
-					},
+				event,
 				..
 			} => {
-				example.move_mouse(delta);
+				example.device_event(&window,event);
 			},
 			event::Event::RedrawRequested(_) => {
-				#[cfg(not(target_arch = "wasm32"))]
-				{
-					accum_time += last_frame_inst.elapsed().as_secs_f32();
-					last_frame_inst = Instant::now();
-					frame_count += 1;
-					if frame_count == 100 {
-						println!(
-							"Avg frame time {}ms",
-							accum_time * 1000.0 / frame_count as f32
-						);
-						accum_time = 0.0;
-						frame_count = 0;
-					}
-				}

 				let frame = match surface.get_current_texture() {
 					Ok(frame) => frame,
--- a/src/instruction.rs
+++ b/src/instruction.rs
@ -0,0 +1,50 @@
+use crate::integer::Time;
+
+#[derive(Debug)]
+pub struct TimedInstruction<I>{
+	pub time:Time,
+	pub instruction:I,
+}
+
+pub trait InstructionEmitter<I>{
+	fn next_instruction(&self,time_limit:Time)->Option<TimedInstruction<I>>;
+}
+pub trait InstructionConsumer<I>{
+	fn process_instruction(&mut self, instruction:TimedInstruction<I>);
+}
+
+//PROPER PRIVATE FIELDS!!!
+pub struct InstructionCollector<I>{
+	time:Time,
+	instruction:Option<I>,
+}
+impl<I> InstructionCollector<I>{
+	pub fn new(time:Time)->Self{
+		Self{
+			time,
+			instruction:None
+		}
+	}
+
+	pub fn collect(&mut self,instruction:Option<TimedInstruction<I>>){
+		match instruction{
+			Some(unwrap_instruction)=>{
+				if unwrap_instruction.time<self.time {
+					self.time=unwrap_instruction.time;
+					self.instruction=Some(unwrap_instruction.instruction);
+				}
+			},
+			None=>(),
+		}
+	}
+	pub fn instruction(self)->Option<TimedInstruction<I>>{
+		//STEAL INSTRUCTION AND DESTROY INSTRUCTIONCOLLECTOR
+		match self.instruction{
+			Some(instruction)=>Some(TimedInstruction{
+				time:self.time,
+				instruction
+			}),
+			None=>None,
+		}
+	}
+}
--- a/src/integer.rs
+++ b/src/integer.rs
@ -0,0 +1,914 @@
+//integer units
+#[derive(Clone,Copy,Hash,PartialEq,PartialOrd,Debug)]
+pub struct Time(i64);
+impl Time{
+	pub const ZERO:Self=Self(0);
+	pub const ONE_SECOND:Self=Self(1_000_000_000);
+	pub const ONE_MILLISECOND:Self=Self(1_000_000);
+	pub const ONE_MICROSECOND:Self=Self(1_000);
+	pub const ONE_NANOSECOND:Self=Self(1);
+	#[inline]
+	pub fn from_secs(num:i64)->Self{
+		Self(Self::ONE_SECOND.0*num)
+	}
+	#[inline]
+	pub fn from_millis(num:i64)->Self{
+		Self(Self::ONE_MILLISECOND.0*num)
+	}
+	#[inline]
+	pub fn from_micros(num:i64)->Self{
+		Self(Self::ONE_MICROSECOND.0*num)
+	}
+	#[inline]
+	pub fn from_nanos(num:i64)->Self{
+		Self(Self::ONE_NANOSECOND.0*num)
+	}
+	//should I have checked subtraction? force all time variables to be positive?
+	#[inline]
+	pub fn nanos(&self)->i64{
+		self.0
+	}
+}
+impl From<Planar64> for Time{
+	#[inline]
+	fn from(value:Planar64)->Self{
+		Time((((value.0 as i128)*1_000_000_000)>>32) as i64)
+	}
+}
+impl std::fmt::Display for Time{
+	#[inline]
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{}s+{:09}ns",self.0/Self::ONE_SECOND.0,self.0%Self::ONE_SECOND.0)
+	}
+}
+impl std::ops::Neg for Time{
+	type Output=Time;
+	#[inline]
+	fn neg(self)->Self::Output {
+		Time(-self.0)
+	}
+}
+impl std::ops::Add<Time> for Time{
+	type Output=Time;
+	#[inline]
+	fn add(self,rhs:Self)->Self::Output {
+		Time(self.0+rhs.0)
+	}
+}
+impl std::ops::Sub<Time> for Time{
+	type Output=Time;
+	#[inline]
+	fn sub(self,rhs:Self)->Self::Output {
+		Time(self.0-rhs.0)
+	}
+}
+impl std::ops::Mul<Time> for Time{
+	type Output=Time;
+	#[inline]
+	fn mul(self,rhs:Time)->Self::Output{
+		Self((((self.0 as i128)*(rhs.0 as i128))/1_000_000_000) as i64)
+	}
+}
+impl std::ops::Div<i64> for Time{
+	type Output=Time;
+	#[inline]
+	fn div(self,rhs:i64)->Self::Output {
+		Time(self.0/rhs)
+	}
+}
+
+#[inline]
+const fn gcd(mut a:u64,mut b:u64)->u64{
+	while b!=0{
+		(a,b)=(b,a.rem_euclid(b));
+	};
+	a
+}
+#[derive(Clone,Hash)]
+pub struct Ratio64{
+	num:i64,
+	den:u64,
+}
+impl Ratio64{
+	pub const ZERO:Self=Ratio64{num:0,den:1};
+	pub const ONE:Self=Ratio64{num:1,den:1};
+	#[inline]
+	pub const fn new(num:i64,den:u64)->Option<Ratio64>{
+		if den==0{
+			None
+		}else{
+			let d=gcd(num.unsigned_abs(),den);
+			Some(Self{num:num/d as i64,den:den/d})
+		}
+	}
+	#[inline]
+	pub fn mul_int(&self,rhs:i64)->i64{
+		rhs*self.num/self.den as i64
+	}
+	#[inline]
+	pub fn rhs_div_int(&self,rhs:i64)->i64{
+		rhs*self.den as i64/self.num
+	}
+	#[inline]
+	pub fn mul_ref(&self,rhs:&Ratio64)->Ratio64{
+		let (num,den)=(self.num*rhs.num,self.den*rhs.den);
+		let d=gcd(num.unsigned_abs(),den);
+		Self{
+			num:num/d as i64,
+			den:den/d,
+		}
+	}
+}
+//from num_traits crate
+#[inline]
+fn integer_decode_f32(f: f32) -> (u64, i16, i8) {
+	let bits: u32 = f.to_bits();
+	let sign: i8 = if bits >> 31 == 0 { 1 } else { -1 };
+	let mut exponent: i16 = ((bits >> 23) & 0xff) as i16;
+	let mantissa = if exponent == 0 {
+		(bits & 0x7fffff) << 1
+	} else {
+		(bits & 0x7fffff) | 0x800000
+	};
+	// Exponent bias + mantissa shift
+	exponent -= 127 + 23;
+	(mantissa as u64, exponent, sign)
+}
+#[inline]
+fn integer_decode_f64(f: f64) -> (u64, i16, i8) {
+	let bits: u64 = f.to_bits();
+	let sign: i8 = if bits >> 63 == 0 { 1 } else { -1 };
+	let mut exponent: i16 = ((bits >> 52) & 0x7ff) as i16;
+	let mantissa = if exponent == 0 {
+		(bits & 0xfffffffffffff) << 1
+	} else {
+		(bits & 0xfffffffffffff) | 0x10000000000000
+	};
+	// Exponent bias + mantissa shift
+	exponent -= 1023 + 52;
+	(mantissa, exponent, sign)
+}
+#[derive(Debug)]
+pub enum Ratio64TryFromFloatError{
+	Nan,
+	Infinite,
+	Subnormal,
+	HighlyNegativeExponent(i16),
+	HighlyPositiveExponent(i16),
+}
+const MAX_DENOMINATOR:u128=u64::MAX as u128;
+#[inline]
+fn ratio64_from_mes((m,e,s):(u64,i16,i8))->Result<Ratio64,Ratio64TryFromFloatError>{
+	if e< -127{
+		//this can also just be zero
+		Err(Ratio64TryFromFloatError::HighlyNegativeExponent(e))
+	}else if e< -63{
+		//approximate input ratio within denominator limit
+		let mut target_num=m as u128;
+		let mut target_den=1u128<<-e;
+
+		let mut num=1;
+		let mut den=0;
+		let mut prev_num=0;
+		let mut prev_den=1;
+
+		while target_den!=0{
+			let whole=target_num/target_den;
+			(target_num,target_den)=(target_den,target_num-whole*target_den);
+			let new_num=whole*num+prev_num;
+			let new_den=whole*den+prev_den;
+			if MAX_DENOMINATOR<new_den{
+				break;
+			}else{
+				(prev_num,prev_den)=(num,den);
+				(num,den)=(new_num,new_den);
+			}
+		}
+
+		Ok(Ratio64::new(num as i64,den as u64).unwrap())
+	}else if e<0{
+		Ok(Ratio64::new((m as i64)*(s as i64),1<<-e).unwrap())
+	}else if (64-m.leading_zeros() as i16)+e<64{
+		Ok(Ratio64::new((m as i64)*(s as i64)*(1<<e),1).unwrap())
+	}else{
+		Err(Ratio64TryFromFloatError::HighlyPositiveExponent(e))
+	}
+}
+impl TryFrom<f32> for Ratio64{
+	type Error=Ratio64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f32)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>ratio64_from_mes(integer_decode_f32(value)),
+		}
+	}
+}
+impl TryFrom<f64> for Ratio64{
+	type Error=Ratio64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f64)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>ratio64_from_mes(integer_decode_f64(value)),
+		}
+	}
+}
+impl std::ops::Mul<Ratio64> for Ratio64{
+	type Output=Ratio64;
+	#[inline]
+	fn mul(self,rhs:Ratio64)->Self::Output{
+		let (num,den)=(self.num*rhs.num,self.den*rhs.den);
+		let d=gcd(num.unsigned_abs(),den);
+		Self{
+			num:num/d as i64,
+			den:den/d,
+		}
+	}
+}
+impl std::ops::Mul<i64> for Ratio64{
+	type Output=Ratio64;
+	#[inline]
+	fn mul(self,rhs:i64)->Self::Output {
+		Self{
+			num:self.num*rhs,
+			den:self.den,
+		}
+	}
+}
+impl std::ops::Div<u64> for Ratio64{
+	type Output=Ratio64;
+	#[inline]
+	fn div(self,rhs:u64)->Self::Output {
+		Self{
+			num:self.num,
+			den:self.den*rhs,
+		}
+	}
+}
+#[derive(Clone,Hash)]
+pub struct Ratio64Vec2{
+	pub x:Ratio64,
+	pub y:Ratio64,
+}
+impl Ratio64Vec2{
+	pub const ONE:Self=Self{x:Ratio64::ONE,y:Ratio64::ONE};
+	#[inline]
+	pub fn new(x:Ratio64,y:Ratio64)->Self{
+		Self{x,y}
+	}
+	#[inline]
+	pub fn mul_int(&self,rhs:glam::I64Vec2)->glam::I64Vec2{
+		glam::i64vec2(
+			self.x.mul_int(rhs.x),
+			self.y.mul_int(rhs.y),
+		)
+	}
+}
+impl std::ops::Mul<i64> for Ratio64Vec2{
+	type Output=Ratio64Vec2;
+	#[inline]
+	fn mul(self,rhs:i64)->Self::Output {
+		Self{
+			x:self.x*rhs,
+			y:self.y*rhs,
+		}
+	}
+}
+
+///[-pi,pi) = [-2^31,2^31-1]
+#[derive(Clone,Copy,Hash)]
+pub struct Angle32(i32);
+impl Angle32{
+	pub const FRAC_PI_2:Self=Self(1<<30);
+	pub const PI:Self=Self(-1<<31);
+	#[inline]
+	pub fn wrap_from_i64(theta:i64)->Self{
+		//take lower bits
+		//note: this was checked on compiler explorer and compiles to 1 instruction!
+		Self(i32::from_ne_bytes(((theta&((1<<32)-1)) as u32).to_ne_bytes()))
+	}
+	#[inline]
+	pub fn clamp_from_i64(theta:i64)->Self{
+		//the assembly is a bit confusing for this, I thought it was checking the same thing twice
+		//but it's just checking and then overwriting the value for both upper and lower bounds.
+		Self(theta.clamp(i32::MIN as i64,i32::MAX as i64) as i32)
+	}
+	#[inline]
+	pub fn get(&self)->i32{
+		self.0
+	}
+	/// Clamps the value towards the midpoint of the range.
+	/// Note that theta_min can be larger than theta_max and it will wrap clamp the other way around
+	#[inline]
+	pub fn clamp(&self,theta_min:Self,theta_max:Self)->Self{
+		//((max-min as u32)/2 as i32)+min
+		let midpoint=((
+			u32::from_ne_bytes(theta_max.0.to_ne_bytes())
+			.wrapping_sub(u32::from_ne_bytes(theta_min.0.to_ne_bytes()))
+			/2
+		) as i32)//(u32::MAX/2) as i32 ALWAYS works
+		.wrapping_add(theta_min.0);
+		//(theta-mid).clamp(max-mid,min-mid)+mid
+		Self(
+			self.0.wrapping_sub(midpoint)
+			.max(theta_min.0.wrapping_sub(midpoint))
+			.min(theta_max.0.wrapping_sub(midpoint))
+			.wrapping_add(midpoint)
+		)
+	}
+	/*
+	#[inline]
+	pub fn cos(&self)->Unit32{
+		//TODO: fix this rounding towards 0
+		Unit32(unsafe{((self.0 as f64*ANGLE32_TO_FLOAT64_RADIANS).cos()*UNIT32_ONE_FLOAT64).to_int_unchecked()})
+	}
+	#[inline]
+	pub fn sin(&self)->Unit32{
+		//TODO: fix this rounding towards 0
+		Unit32(unsafe{((self.0 as f64*ANGLE32_TO_FLOAT64_RADIANS).sin()*UNIT32_ONE_FLOAT64).to_int_unchecked()})
+	}
+	*/
+}
+const ANGLE32_TO_FLOAT64_RADIANS:f64=std::f64::consts::PI/((1i64<<31) as f64);
+impl Into<f32> for Angle32{
+	#[inline]
+	fn into(self)->f32{
+		(self.0 as f64*ANGLE32_TO_FLOAT64_RADIANS) as f32
+	}
+}
+impl std::ops::Neg for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn neg(self)->Self::Output{
+		Angle32(self.0.wrapping_neg())
+	}
+}
+impl std::ops::Add<Angle32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn add(self,rhs:Self)->Self::Output {
+		Angle32(self.0.wrapping_add(rhs.0))
+	}
+}
+impl std::ops::Sub<Angle32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn sub(self,rhs:Self)->Self::Output {
+		Angle32(self.0.wrapping_sub(rhs.0))
+	}
+}
+impl std::ops::Mul<i32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn mul(self,rhs:i32)->Self::Output {
+		Angle32(self.0.wrapping_mul(rhs))
+	}
+}
+impl std::ops::Mul<Angle32> for Angle32{
+	type Output=Angle32;
+	#[inline]
+	fn mul(self,rhs:Self)->Self::Output {
+		Angle32(self.0.wrapping_mul(rhs.0))
+	}
+}
+
+/* Unit type unused for now, may revive it for map files
+///[-1.0,1.0] = [-2^30,2^30]
+pub struct Unit32(i32);
+impl Unit32{
+	#[inline]
+	pub fn as_planar64(&self) -> Planar64{
+		Planar64(4*(self.0 as i64))
+	}
+}
+const UNIT32_ONE_FLOAT64=((1<<30) as f64);
+///[-1.0,1.0] = [-2^30,2^30]
+pub struct Unit32Vec3(glam::IVec3);
+impl TryFrom<[f32;3]> for Unit32Vec3{
+	type Error=Unit32TryFromFloatError;
+	fn try_from(value:[f32;3])->Result<Self,Self::Error>{
+		Ok(Self(glam::ivec3(
+			Unit32::try_from(Planar64::try_from(value[0])?)?.0,
+			Unit32::try_from(Planar64::try_from(value[1])?)?.0,
+			Unit32::try_from(Planar64::try_from(value[2])?)?.0,
+		)))
+	}
+}
+*/
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy,Hash,Eq,Ord,PartialEq,PartialOrd)]
+pub struct Planar64(i64);
+impl Planar64{
+	pub const ZERO:Self=Self(0);
+	pub const ONE:Self=Self(1<<32);
+	#[inline]
+	pub const fn int(num:i32)->Self{
+		Self(Self::ONE.0*num as i64)
+	}
+	#[inline]
+	pub const fn raw(num:i64)->Self{
+		Self(num)
+	}
+	#[inline]
+	pub const fn get(&self)->i64{
+		self.0
+	}
+}
+const PLANAR64_FLOAT32_ONE:f32=(1u64<<32) as f32;
+const PLANAR64_FLOAT32_MUL:f32=1.0/PLANAR64_FLOAT32_ONE;
+const PLANAR64_FLOAT64_ONE:f64=(1u64<<32) as f64;
+impl Into<f32> for Planar64{
+	#[inline]
+	fn into(self)->f32{
+		self.0 as f32*PLANAR64_FLOAT32_MUL
+	}
+}
+impl From<Ratio64> for Planar64{
+	#[inline]
+	fn from(ratio:Ratio64)->Self{
+		Self((((ratio.num as i128)<<32)/ratio.den as i128) as i64)
+	}
+}
+#[derive(Debug)]
+pub enum Planar64TryFromFloatError{
+	Nan,
+	Infinite,
+	Subnormal,
+	HighlyNegativeExponent(i16),
+	HighlyPositiveExponent(i16),
+}
+#[inline]
+fn planar64_from_mes((m,e,s):(u64,i16,i8))->Result<Planar64,Planar64TryFromFloatError>{
+	let e32=e+32;
+	if e32<0&&(m>>-e32)==0{//shifting m will underflow to 0
+		Ok(Planar64::ZERO)
+		// println!("m{} e{} s{}",m,e,s);
+		// println!("f={}",(m as f64)*(2.0f64.powf(e as f64))*(s as f64));
+		// Err(Planar64TryFromFloatError::HighlyNegativeExponent(e))
+	}else if (64-m.leading_zeros() as i16)+e32<64{//shifting m will not overflow
+		if e32<0{
+			Ok(Planar64((m as i64)*(s as i64)>>-e32))
+		}else{
+			Ok(Planar64((m as i64)*(s as i64)<<e32))
+		}
+	}else{//if shifting m will overflow (prev check failed)
+		Err(Planar64TryFromFloatError::HighlyPositiveExponent(e))
+	}
+}
+impl TryFrom<f32> for Planar64{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f32)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>planar64_from_mes(integer_decode_f32(value)),
+		}
+	}
+}
+impl TryFrom<f64> for Planar64{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:f64)->Result<Self,Self::Error>{
+		match value.classify(){
+			std::num::FpCategory::Nan=>Err(Self::Error::Nan),
+			std::num::FpCategory::Infinite=>Err(Self::Error::Infinite),
+			std::num::FpCategory::Zero=>Ok(Self::ZERO),
+			std::num::FpCategory::Subnormal=>Err(Self::Error::Subnormal),
+			std::num::FpCategory::Normal=>planar64_from_mes(integer_decode_f64(value)),
+		}
+	}
+}
+impl std::fmt::Display for Planar64{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{:.3}",
+			Into::<f32>::into(*self),
+		)
+	}
+}
+impl std::ops::Neg for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn neg(self)->Self::Output{
+		Planar64(-self.0)
+	}
+}
+impl std::ops::Add<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn add(self, rhs: Self) -> Self::Output {
+		Planar64(self.0+rhs.0)
+	}
+}
+impl std::ops::Sub<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn sub(self, rhs: Self) -> Self::Output {
+		Planar64(self.0-rhs.0)
+	}
+}
+impl std::ops::Mul<i64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn mul(self, rhs: i64) -> Self::Output {
+		Planar64(self.0*rhs)
+	}
+}
+impl std::ops::Mul<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn mul(self, rhs: Self) -> Self::Output {
+		Planar64((((self.0 as i128)*(rhs.0 as i128))>>32) as i64)
+	}
+}
+impl std::ops::Div<i64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn div(self, rhs: i64) -> Self::Output {
+		Planar64(self.0/rhs)
+	}
+}
+impl std::ops::Div<Planar64> for Planar64{
+	type Output=Planar64;
+	#[inline]
+	fn div(self, rhs: Planar64) -> Self::Output {
+		Planar64((((self.0 as i128)<<32)/rhs.0 as i128) as i64)
+	}
+}
+// impl PartialOrd<i64> for Planar64{
+// 	fn partial_cmp(&self, other: &i64) -> Option<std::cmp::Ordering> {
+// 		self.0.partial_cmp(other)
+// 	}
+// }
+
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy,Default,Hash,Eq,PartialEq)]
+pub struct Planar64Vec3(glam::I64Vec3);
+impl Planar64Vec3{
+	pub const ZERO:Self=Planar64Vec3(glam::I64Vec3::ZERO);
+	pub const ONE:Self=Self::int(1,1,1);
+	pub const X:Self=Self::int(1,0,0);
+	pub const Y:Self=Self::int(0,1,0);
+	pub const Z:Self=Self::int(0,0,1);
+	pub const NEG_X:Self=Self::int(-1,0,0);
+	pub const NEG_Y:Self=Self::int(0,-1,0);
+	pub const NEG_Z:Self=Self::int(0,0,-1);
+	pub const MIN:Self=Planar64Vec3(glam::I64Vec3::MIN);
+	pub const MAX:Self=Planar64Vec3(glam::I64Vec3::MAX);
+	#[inline]
+	pub const fn int(x:i32,y:i32,z:i32)->Self{
+		Self(glam::i64vec3((x as i64)<<32,(y as i64)<<32,(z as i64)<<32))
+	}
+	#[inline]
+	pub fn x(&self)->Planar64{
+		Planar64(self.0.x)
+	}
+	#[inline]
+	pub fn y(&self)->Planar64{
+		Planar64(self.0.y)
+	}
+	#[inline]
+	pub fn z(&self)->Planar64{
+		Planar64(self.0.z)
+	}
+	#[inline]
+	pub fn min(&self,rhs:Self)->Self{
+		Self(glam::i64vec3(
+			self.0.x.min(rhs.0.x),
+			self.0.y.min(rhs.0.y),
+			self.0.z.min(rhs.0.z),
+		))
+	}
+	#[inline]
+	pub fn max(&self,rhs:Self)->Self{
+		Self(glam::i64vec3(
+			self.0.x.max(rhs.0.x),
+			self.0.y.max(rhs.0.y),
+			self.0.z.max(rhs.0.z),
+		))
+	}
+	#[inline]
+	pub fn midpoint(&self,rhs:Self)->Self{
+		Self((self.0+rhs.0)/2)
+	}
+	#[inline]
+	pub fn cmplt(&self,rhs:Self)->glam::BVec3{
+		self.0.cmplt(rhs.0)
+	}
+	#[inline]
+	pub fn dot(&self,rhs:Self)->Planar64{
+		Planar64(((
+			(self.0.x as i128)*(rhs.0.x as i128)+
+			(self.0.y as i128)*(rhs.0.y as i128)+
+			(self.0.z as i128)*(rhs.0.z as i128)
+		)>>32) as i64)
+	}
+	#[inline]
+	pub fn length(&self)->Planar64{
+		let radicand=(self.0.x as i128)*(self.0.x as i128)+(self.0.y as i128)*(self.0.y as i128)+(self.0.z as i128)*(self.0.z as i128);
+		Planar64(unsafe{(radicand as f64).sqrt().to_int_unchecked()})
+	}
+	#[inline]
+	pub fn with_length(&self,length:Planar64)->Self{
+		let radicand=(self.0.x as i128)*(self.0.x as i128)+(self.0.y as i128)*(self.0.y as i128)+(self.0.z as i128)*(self.0.z as i128);
+		let self_length:i128=unsafe{(radicand as f64).sqrt().to_int_unchecked()};
+		//self.0*length/self_length
+		Planar64Vec3(
+			glam::i64vec3(
+				((self.0.x as i128)*(length.0 as i128)/self_length) as i64,
+				((self.0.y as i128)*(length.0 as i128)/self_length) as i64,
+				((self.0.z as i128)*(length.0 as i128)/self_length) as i64,
+			)
+		)
+	}
+}
+impl Into<glam::Vec3> for Planar64Vec3{
+	#[inline]
+	fn into(self)->glam::Vec3{
+		glam::vec3(
+			self.0.x as f32,
+			self.0.y as f32,
+			self.0.z as f32,
+		)*PLANAR64_FLOAT32_MUL
+	}
+}
+impl TryFrom<[f32;3]> for Planar64Vec3{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:[f32;3])->Result<Self,Self::Error>{
+		Ok(Self(glam::i64vec3(
+			Planar64::try_from(value[0])?.0,
+			Planar64::try_from(value[1])?.0,
+			Planar64::try_from(value[2])?.0,
+		)))
+	}
+}
+impl TryFrom<glam::Vec3A> for Planar64Vec3{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:glam::Vec3A)->Result<Self,Self::Error>{
+		Ok(Self(glam::i64vec3(
+			Planar64::try_from(value.x)?.0,
+			Planar64::try_from(value.y)?.0,
+			Planar64::try_from(value.z)?.0,
+		)))
+	}
+}
+impl std::fmt::Display for Planar64Vec3{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{:.3},{:.3},{:.3}",
+			Into::<f32>::into(self.x()),Into::<f32>::into(self.y()),Into::<f32>::into(self.z()),
+		)
+	}
+}
+impl std::ops::Neg for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn neg(self)->Self::Output{
+		Planar64Vec3(-self.0)
+	}
+}
+impl std::ops::Add<Planar64Vec3> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn add(self,rhs:Planar64Vec3) -> Self::Output {
+		Planar64Vec3(self.0+rhs.0)
+	}
+}
+impl std::ops::AddAssign<Planar64Vec3> for Planar64Vec3{
+	#[inline]
+	fn add_assign(&mut self,rhs:Planar64Vec3){
+		*self=*self+rhs
+	}
+}
+impl std::ops::Sub<Planar64Vec3> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn sub(self,rhs:Planar64Vec3) -> Self::Output {
+		Planar64Vec3(self.0-rhs.0)
+	}
+}
+impl std::ops::SubAssign<Planar64Vec3> for Planar64Vec3{
+	#[inline]
+	fn sub_assign(&mut self,rhs:Planar64Vec3){
+		*self=*self-rhs
+	}
+}
+impl std::ops::Mul<Planar64Vec3> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self, rhs: Planar64Vec3) -> Self::Output {
+		Planar64Vec3(glam::i64vec3(
+			(((self.0.x as i128)*(rhs.0.x as i128))>>32) as i64,
+			(((self.0.y as i128)*(rhs.0.y as i128))>>32) as i64,
+			(((self.0.z as i128)*(rhs.0.z as i128))>>32) as i64
+		))
+	}
+}
+impl std::ops::Mul<Planar64> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self, rhs: Planar64) -> Self::Output {
+		Planar64Vec3(glam::i64vec3(
+			(((self.0.x as i128)*(rhs.0 as i128))>>32) as i64,
+			(((self.0.y as i128)*(rhs.0 as i128))>>32) as i64,
+			(((self.0.z as i128)*(rhs.0 as i128))>>32) as i64
+		))
+	}
+}
+impl std::ops::Mul<i64> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self,rhs:i64)->Self::Output {
+		Planar64Vec3(glam::i64vec3(
+			self.0.x*rhs,
+			self.0.y*rhs,
+			self.0.z*rhs
+		))
+	}
+}
+impl std::ops::Mul<Time> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self,rhs:Time)->Self::Output{
+		Planar64Vec3(glam::i64vec3(
+			(((self.0.x as i128)*(rhs.0 as i128))/1_000_000_000) as i64,
+			(((self.0.y as i128)*(rhs.0 as i128))/1_000_000_000) as i64,
+			(((self.0.z as i128)*(rhs.0 as i128))/1_000_000_000) as i64
+		))
+	}
+}
+impl std::ops::Div<i64> for Planar64Vec3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn div(self,rhs:i64)->Self::Output{
+		Planar64Vec3(glam::i64vec3(
+			self.0.x/rhs,
+			self.0.y/rhs,
+			self.0.z/rhs,
+		))
+	}
+}
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy)]
+pub struct Planar64Mat3{
+	x_axis:Planar64Vec3,
+	y_axis:Planar64Vec3,
+	z_axis:Planar64Vec3,
+}
+impl Default for Planar64Mat3{
+	#[inline]
+	fn default() -> Self {
+		Self{
+			x_axis:Planar64Vec3::X,
+			y_axis:Planar64Vec3::Y,
+			z_axis:Planar64Vec3::Z,
+		}
+	}
+}
+impl std::ops::Mul<Planar64Vec3> for Planar64Mat3{
+	type Output=Planar64Vec3;
+	#[inline]
+	fn mul(self,rhs:Planar64Vec3) -> Self::Output {
+		self.x_axis*rhs.x()
+		+self.y_axis*rhs.y()
+		+self.z_axis*rhs.z()
+	}
+}
+
+impl Planar64Mat3{
+	#[inline]
+	pub fn from_cols(x_axis:Planar64Vec3,y_axis:Planar64Vec3,z_axis:Planar64Vec3)->Self{
+		Self{
+			x_axis,
+			y_axis,
+			z_axis,
+		}
+	}
+	pub const fn int_from_cols_array(array:[i32;9])->Self{
+		Self{
+			x_axis:Planar64Vec3::int(array[0],array[1],array[2]),
+			y_axis:Planar64Vec3::int(array[3],array[4],array[5]),
+			z_axis:Planar64Vec3::int(array[6],array[7],array[8]),
+		}
+	}
+	#[inline]
+	pub fn from_rotation_y(angle:Angle32)->Self{
+		let theta=angle.0 as f64*ANGLE32_TO_FLOAT64_RADIANS;
+		let (s,c)=theta.sin_cos();
+		let (c,s)=(c*PLANAR64_FLOAT64_ONE,s*PLANAR64_FLOAT64_ONE);
+		//TODO: fix this rounding towards 0
+		let (c,s):(i64,i64)=(unsafe{c.to_int_unchecked()},unsafe{s.to_int_unchecked()});
+		Self::from_cols(
+			Planar64Vec3(glam::i64vec3(c,0,-s)),
+			Planar64Vec3::Y,
+			Planar64Vec3(glam::i64vec3(s,0,c)),
+		)
+	}
+}
+impl Into<glam::Mat3> for Planar64Mat3{
+	#[inline]
+	fn into(self)->glam::Mat3{
+		glam::Mat3::from_cols(
+			self.x_axis.into(),
+			self.y_axis.into(),
+			self.z_axis.into(),
+		)
+	}
+}
+impl TryFrom<glam::Mat3A> for Planar64Mat3{
+	type Error=Planar64TryFromFloatError;
+	#[inline]
+	fn try_from(value:glam::Mat3A)->Result<Self,Self::Error>{
+		Ok(Self{
+			x_axis:Planar64Vec3::try_from(value.x_axis)?,
+			y_axis:Planar64Vec3::try_from(value.y_axis)?,
+			z_axis:Planar64Vec3::try_from(value.z_axis)?,
+		})
+	}
+}
+impl std::fmt::Display for Planar64Mat3{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}",
+			Into::<f32>::into(self.x_axis.x()),Into::<f32>::into(self.x_axis.y()),Into::<f32>::into(self.x_axis.z()),
+			Into::<f32>::into(self.y_axis.x()),Into::<f32>::into(self.y_axis.y()),Into::<f32>::into(self.y_axis.z()),
+			Into::<f32>::into(self.z_axis.x()),Into::<f32>::into(self.z_axis.y()),Into::<f32>::into(self.z_axis.z()),
+		)
+	}
+}
+impl std::ops::Div<i64> for Planar64Mat3{
+	type Output=Planar64Mat3;
+	#[inline]
+	fn div(self,rhs:i64)->Self::Output{
+		Planar64Mat3{
+			x_axis:self.x_axis/rhs,
+			y_axis:self.y_axis/rhs,
+			z_axis:self.z_axis/rhs,
+		}
+	}
+}
+
+///[-1.0,1.0] = [-2^32,2^32]
+#[derive(Clone,Copy,Default)]
+pub struct Planar64Affine3{
+	pub matrix3:Planar64Mat3,//includes scale above 1
+	pub translation:Planar64Vec3,
+}
+
+impl Planar64Affine3{
+	#[inline]
+	pub fn new(matrix3:Planar64Mat3,translation:Planar64Vec3)->Self{
+		Self{matrix3,translation}
+	}
+	#[inline]
+	pub fn transform_point3(&self,point:Planar64Vec3) -> Planar64Vec3{
+		Planar64Vec3(
+			self.translation.0
+			+(self.matrix3.x_axis*point.x()).0
+			+(self.matrix3.y_axis*point.y()).0
+			+(self.matrix3.z_axis*point.z()).0
+		)
+	}
+}
+impl Into<glam::Mat4> for Planar64Affine3{
+	#[inline]
+	fn into(self)->glam::Mat4{
+		glam::Mat4::from_cols_array(&[
+			self.matrix3.x_axis.0.x as f32,self.matrix3.x_axis.0.y as f32,self.matrix3.x_axis.0.z as f32,0.0,
+			self.matrix3.y_axis.0.x as f32,self.matrix3.y_axis.0.y as f32,self.matrix3.y_axis.0.z as f32,0.0,
+			self.matrix3.z_axis.0.x as f32,self.matrix3.z_axis.0.y as f32,self.matrix3.z_axis.0.z as f32,0.0,
+			self.translation.0.x as f32,self.translation.0.y as f32,self.translation.0.z as f32,PLANAR64_FLOAT32_ONE
+		])*PLANAR64_FLOAT32_MUL
+	}
+}
+impl TryFrom<glam::Affine3A> for Planar64Affine3{
+	type Error=Planar64TryFromFloatError;
+	fn try_from(value: glam::Affine3A)->Result<Self, Self::Error> {
+		Ok(Self{
+			matrix3:Planar64Mat3::try_from(value.matrix3)?,
+			translation:Planar64Vec3::try_from(value.translation)?
+		})
+	}
+}
+impl std::fmt::Display for Planar64Affine3{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"translation: {:.3},{:.3},{:.3}\nmatrix3:\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}\n{:.3},{:.3},{:.3}",
+			Into::<f32>::into(self.translation.x()),Into::<f32>::into(self.translation.y()),Into::<f32>::into(self.translation.z()),
+			Into::<f32>::into(self.matrix3.x_axis.x()),Into::<f32>::into(self.matrix3.x_axis.y()),Into::<f32>::into(self.matrix3.x_axis.z()),
+			Into::<f32>::into(self.matrix3.y_axis.x()),Into::<f32>::into(self.matrix3.y_axis.y()),Into::<f32>::into(self.matrix3.y_axis.z()),
+			Into::<f32>::into(self.matrix3.z_axis.x()),Into::<f32>::into(self.matrix3.z_axis.y()),Into::<f32>::into(self.matrix3.z_axis.z()),
+		)
+	}
+}
--- a/src/lib.rs
+++ b/src/lib.rs
@ -1 +0,0 @@
-pub mod framework;
--- a/src/load_roblox.rs
+++ b/src/load_roblox.rs
@ -0,0 +1,480 @@
+use crate::primitives;
+use crate::integer::{Planar64,Planar64Vec3,Planar64Mat3,Planar64Affine3};
+
+fn class_is_a(class: &str, superclass: &str) -> bool {
+	if class==superclass {
+		return true
+	}
+	let class_descriptor=rbx_reflection_database::get().classes.get(class);
+	if let Some(descriptor) = &class_descriptor {
+		if let Some(class_super) = &descriptor.superclass {
+			return class_is_a(&class_super, superclass)
+		}
+	}
+	return false
+}
+fn recursive_collect_superclass(objects: &mut std::vec::Vec<rbx_dom_weak::types::Ref>,dom: &rbx_dom_weak::WeakDom, instance: &rbx_dom_weak::Instance, superclass: &str){
+	for &referent in instance.children() {
+		if let Some(c) = dom.get_by_ref(referent) {
+			if class_is_a(c.class.as_str(), superclass) {
+				objects.push(c.referent());//copy ref
+			}
+			recursive_collect_superclass(objects,dom,c,superclass);
+		}
+	}
+}
+fn get_texture_refs(dom:&rbx_dom_weak::WeakDom) -> Vec<rbx_dom_weak::types::Ref>{
+	let mut objects = std::vec::Vec::new();
+	recursive_collect_superclass(&mut objects, dom, dom.root(),"Decal");
+	//get ids
+	//clear vec
+	//next class
+	objects
+}
+fn planar64_affine3_from_roblox(cf:&rbx_dom_weak::types::CFrame,size:&rbx_dom_weak::types::Vector3)->Planar64Affine3{
+	Planar64Affine3::new(
+		Planar64Mat3::from_cols(
+			Planar64Vec3::try_from([cf.orientation.x.x,cf.orientation.y.x,cf.orientation.z.x]).unwrap()
+			*Planar64::try_from(size.x/2.0).unwrap(),
+			Planar64Vec3::try_from([cf.orientation.x.y,cf.orientation.y.y,cf.orientation.z.y]).unwrap()
+			*Planar64::try_from(size.y/2.0).unwrap(),
+			Planar64Vec3::try_from([cf.orientation.x.z,cf.orientation.y.z,cf.orientation.z.z]).unwrap()
+			*Planar64::try_from(size.z/2.0).unwrap(),
+		),
+		Planar64Vec3::try_from([cf.position.x,cf.position.y,cf.position.z]).unwrap()
+	)
+}
+fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,force_intersecting:bool)->crate::model::CollisionAttributes{
+	let mut general=crate::model::GameMechanicAttributes::default();
+	let mut intersecting=crate::model::IntersectingAttributes::default();
+	let mut contacting=crate::model::ContactingAttributes::default();
+	let mut force_can_collide=can_collide;
+	match name{
+		//"Water"=>intersecting.water=Some(crate::model::IntersectingWater{density:1.0,drag:1.0}),
+		"Accelerator"=>{force_can_collide=false;intersecting.accelerator=Some(crate::model::IntersectingAccelerator{acceleration:velocity})},
+		"MapFinish"=>{force_can_collide=false;general.zone=Some(crate::model::GameMechanicZone{mode_id:0,behaviour:crate::model::ZoneBehaviour::Finish})},
+		"MapAnticheat"=>{force_can_collide=false;general.zone=Some(crate::model::GameMechanicZone{mode_id:0,behaviour:crate::model::ZoneBehaviour::Anitcheat})},
+		"Platform"=>general.stage_element=Some(crate::model::GameMechanicStageElement{
+			mode_id:0,
+			stage_id:0,
+			force:false,
+			behaviour:crate::model::StageElementBehaviour::Platform,
+		}),
+		other=>{
+			if let Some(captures)=lazy_regex::regex!(r"^(Force)?(Spawn|SpawnAt|Trigger|Teleport|Platform)(\d+)$")
+			.captures(other){
+				general.stage_element=Some(crate::model::GameMechanicStageElement{
+					mode_id:0,
+					stage_id:captures[3].parse::<u32>().unwrap(),
+					force:match captures.get(1){
+						Some(m)=>m.as_str()=="Force",
+						None=>false,
+					},
+					behaviour:match &captures[2]{
+						"Spawn"|"SpawnAt"=>crate::model::StageElementBehaviour::SpawnAt,
+						"Trigger"=>{force_can_collide=false;crate::model::StageElementBehaviour::Trigger},
+						"Teleport"=>{force_can_collide=false;crate::model::StageElementBehaviour::Teleport},
+						"Platform"=>crate::model::StageElementBehaviour::Platform,
+						_=>panic!("regex1[2] messed up bad"),
+					}
+				})
+			}else if let Some(captures)=lazy_regex::regex!(r"^Bonus(Finish|Anticheat)(\d+)$")
+			.captures(other){
+				force_can_collide=false;
+				match &captures[1]{
+					"Finish"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:captures[2].parse::<u32>().unwrap(),behaviour:crate::model::ZoneBehaviour::Finish}),
+					"Anticheat"=>general.zone=Some(crate::model::GameMechanicZone{mode_id:captures[2].parse::<u32>().unwrap(),behaviour:crate::model::ZoneBehaviour::Anitcheat}),
+					_=>panic!("regex2[1] messed up bad"),
+				}
+			}
+		}
+	}
+	//need some way to skip this
+	if velocity!=Planar64Vec3::ZERO{
+		general.booster=Some(crate::model::GameMechanicBooster{velocity});
+	}
+	match force_can_collide{
+		true=>{
+			match name{
+				//"Bounce"=>(),
+				"Surf"=>contacting.surf=Some(crate::model::ContactingSurf{}),
+				"Ladder"=>contacting.ladder=Some(crate::model::ContactingLadder{sticky:true}),
+				other=>{
+					//REGEX!!!!
+					//Jump#
+					//WormholeIn#
+				}
+			}
+			crate::model::CollisionAttributes::Contact{contacting,general}
+		},
+		false=>if force_intersecting
+		||general.jump_limit.is_some()
+		||general.booster.is_some()
+		||general.zone.is_some()
+		||general.stage_element.is_some()
+		||general.wormhole.is_some()
+		||intersecting.water.is_some()
+		||intersecting.accelerator.is_some()
+		{
+			crate::model::CollisionAttributes::Intersect{intersecting,general}
+		}else{
+			crate::model::CollisionAttributes::Decoration
+		},
+	}
+}
+
+struct RobloxAssetId(u64);
+struct RobloxAssetIdParseErr;
+impl std::str::FromStr for RobloxAssetId {
+	type Err=RobloxAssetIdParseErr;
+	fn from_str(s: &str) -> Result<Self, Self::Err>{
+		let regman=lazy_regex::regex!(r"(\d+)$");
+		if let Some(captures) = regman.captures(s) {
+			if captures.len()==2{//captures[0] is all captures concatenated, and then each individual capture
+				if let Ok(id) = captures[0].parse::<u64>() {
+					return Ok(Self(id));
+				}
+			}
+		}
+		Err(RobloxAssetIdParseErr)
+	}
+}
+#[derive(Clone,Copy,PartialEq)]
+struct RobloxTextureTransform{
+	offset_u:f32,
+	offset_v:f32,
+	scale_u:f32,
+	scale_v:f32,
+}
+impl std::cmp::Eq for RobloxTextureTransform{}//????
+impl std::default::Default for RobloxTextureTransform{
+    fn default() -> Self {
+        Self{offset_u:0.0,offset_v:0.0,scale_u:1.0,scale_v:1.0}
+    }
+}
+impl std::hash::Hash for RobloxTextureTransform {
+	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+		self.offset_u.to_ne_bytes().hash(state);
+		self.offset_v.to_ne_bytes().hash(state);
+		self.scale_u.to_ne_bytes().hash(state);
+		self.scale_v.to_ne_bytes().hash(state);
+	}
+}
+#[derive(Clone,PartialEq)]
+struct RobloxFaceTextureDescription{
+	texture:u32,
+	color:glam::Vec4,
+	transform:RobloxTextureTransform,
+}
+impl std::cmp::Eq for RobloxFaceTextureDescription{}//????
+impl std::hash::Hash for RobloxFaceTextureDescription {
+	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+		self.texture.hash(state);
+		self.transform.hash(state);
+        for &el in self.color.as_ref().iter() {
+            el.to_ne_bytes().hash(state);
+        }
+    }
+}
+impl RobloxFaceTextureDescription{
+	fn to_face_description(&self)->primitives::FaceDescription{
+		primitives::FaceDescription{
+			texture:Some(self.texture),
+			transform:glam::Affine2::from_translation(
+				glam::vec2(self.transform.offset_u,self.transform.offset_v)
+			)
+			*glam::Affine2::from_scale(
+				glam::vec2(self.transform.scale_u,self.transform.scale_v)
+			),
+			color:self.color,
+		}
+	}
+}
+type RobloxPartDescription=[Option<RobloxFaceTextureDescription>;6];
+type RobloxWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
+type RobloxCornerWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
+#[derive(Clone,Eq,Hash,PartialEq)]
+enum RobloxBasePartDescription{
+	Sphere,
+	Part(RobloxPartDescription),
+	Cylinder,
+	Wedge(RobloxWedgeDescription),
+	CornerWedge(RobloxCornerWedgeDescription),
+}
+pub fn generate_indexed_models(dom:rbx_dom_weak::WeakDom) -> crate::model::IndexedModelInstances{
+	//IndexedModelInstances includes textures
+	let mut spawn_point=Planar64Vec3::ZERO;
+
+	let mut indexed_models=Vec::new();
+	let mut model_id_from_description=std::collections::HashMap::<RobloxBasePartDescription,usize>::new();
+
+	let mut texture_id_from_asset_id=std::collections::HashMap::<u64,u32>::new();
+	let mut asset_id_from_texture_id=Vec::new();
+
+	let mut object_refs=Vec::new();
+	let mut temp_objects=Vec::new();
+	recursive_collect_superclass(&mut object_refs, &dom, dom.root(),"BasePart");
+	for object_ref in object_refs {
+		if let Some(object)=dom.get_by_ref(object_ref){
+			if let (
+					Some(rbx_dom_weak::types::Variant::CFrame(cf)),
+					Some(rbx_dom_weak::types::Variant::Vector3(size)),
+					Some(rbx_dom_weak::types::Variant::Vector3(velocity)),
+					Some(rbx_dom_weak::types::Variant::Float32(transparency)),
+					Some(rbx_dom_weak::types::Variant::Color3uint8(color3)),
+					Some(rbx_dom_weak::types::Variant::Bool(can_collide)),
+				) = (
+					object.properties.get("CFrame"),
+					object.properties.get("Size"),
+					object.properties.get("Velocity"),
+					object.properties.get("Transparency"),
+					object.properties.get("Color"),
+					object.properties.get("CanCollide"),
+				)
+			{
+				let model_transform=planar64_affine3_from_roblox(cf,size);
+
+				//push TempIndexedAttributes
+				let mut force_intersecting=false;
+				let mut temp_indexing_attributes=Vec::new();
+				if let Some(attr)=match &object.name[..]{
+					"MapStart"=>{
+						spawn_point=model_transform.transform_point3(Planar64Vec3::ZERO)+Planar64Vec3::Y*5/2;
+						Some(crate::model::TempIndexedAttributes::Start{mode_id:0})
+					},
+					"UnorderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::UnorderedCheckpoint{mode_id:0}),
+					other=>{
+						let regman=lazy_regex::regex!(r"^(BonusStart|Spawn|ForceSpawn|OrderedCheckpoint)(\d+)$");
+						if let Some(captures) = regman.captures(other) {
+							match &captures[1]{
+								"BonusStart"=>Some(crate::model::TempIndexedAttributes::Start{mode_id:captures[2].parse::<u32>().unwrap()}),
+								"Spawn"|"ForceSpawn"=>Some(crate::model::TempIndexedAttributes::Spawn{mode_id:0,stage_id:captures[2].parse::<u32>().unwrap()}),
+								"OrderedCheckpoint"=>Some(crate::model::TempIndexedAttributes::OrderedCheckpoint{mode_id:0,checkpoint_id:captures[2].parse::<u32>().unwrap()}),
+								_=>None,
+							}
+						}else{
+							None
+						}
+					}
+				}{
+					force_intersecting=true;
+					temp_indexing_attributes.push(attr);
+				}
+
+				//TODO: also detect "CylinderMesh" etc here
+				let shape=match &object.class[..]{
+					"Part"=>{
+						if let Some(rbx_dom_weak::types::Variant::Enum(shape))=object.properties.get("Shape"){
+							match shape.to_u32(){
+								0=>primitives::Primitives::Sphere,
+								1=>primitives::Primitives::Cube,
+								2=>primitives::Primitives::Cylinder,
+								3=>primitives::Primitives::Wedge,
+								4=>primitives::Primitives::CornerWedge,
+								_=>panic!("Funky roblox PartType={};",shape.to_u32()),
+							}
+						}else{
+							panic!("Part has no Shape!");
+						}
+					},
+					"WedgePart"=>primitives::Primitives::Wedge,
+					"CornerWedgePart"=>primitives::Primitives::CornerWedge,
+					_=>{
+						println!("Unsupported BasePart ClassName={}; defaulting to cube",object.class);
+						primitives::Primitives::Cube
+					}
+				};
+
+				//use the biggest one and cut it down later...
+				let mut part_texture_description:RobloxPartDescription=[None,None,None,None,None,None];
+				temp_objects.clear();
+				recursive_collect_superclass(&mut temp_objects, &dom, object,"Decal");
+				for &decal_ref in &temp_objects{
+					if let Some(decal)=dom.get_by_ref(decal_ref){
+						if let (
+							Some(rbx_dom_weak::types::Variant::Content(content)),
+							Some(rbx_dom_weak::types::Variant::Enum(normalid)),
+							Some(rbx_dom_weak::types::Variant::Color3(decal_color3)),
+							Some(rbx_dom_weak::types::Variant::Float32(decal_transparency)),
+						) = (
+							decal.properties.get("Texture"),
+							decal.properties.get("Face"),
+							decal.properties.get("Color3"),
+							decal.properties.get("Transparency"),
+						) {
+							if let Ok(asset_id)=content.clone().into_string().parse::<RobloxAssetId>(){
+								let texture_id=if let Some(&texture_id)=texture_id_from_asset_id.get(&asset_id.0){
+									texture_id
+								}else{
+									let texture_id=asset_id_from_texture_id.len() as u32;
+									texture_id_from_asset_id.insert(asset_id.0,texture_id);
+									asset_id_from_texture_id.push(asset_id.0);
+									texture_id
+								};
+								let normal_id=normalid.to_u32();
+								if normal_id<6{
+									let (roblox_texture_color,roblox_texture_transform)=if decal.class=="Texture"{
+										//generate tranform
+										if let (
+												Some(rbx_dom_weak::types::Variant::Float32(ox)),
+												Some(rbx_dom_weak::types::Variant::Float32(oy)),
+												Some(rbx_dom_weak::types::Variant::Float32(sx)),
+												Some(rbx_dom_weak::types::Variant::Float32(sy)),
+											) = (
+												decal.properties.get("OffsetStudsU"),
+												decal.properties.get("OffsetStudsV"),
+												decal.properties.get("StudsPerTileU"),
+												decal.properties.get("StudsPerTileV"),
+											)
+										{
+											let (size_u,size_v)=match normal_id{
+												0=>(size.z,size.y),//right
+												1=>(size.x,size.z),//top
+												2=>(size.x,size.y),//back
+												3=>(size.z,size.y),//left
+												4=>(size.x,size.z),//bottom
+												5=>(size.x,size.y),//front
+												_=>panic!("unreachable"),
+											};
+											(
+												glam::vec4(decal_color3.r,decal_color3.g,decal_color3.b,1.0-*decal_transparency),
+												RobloxTextureTransform{
+													offset_u:*ox/(*sx),offset_v:*oy/(*sy),
+													scale_u:size_u/(*sx),scale_v:size_v/(*sy),
+												}
+											)
+										}else{
+											(glam::Vec4::ONE,RobloxTextureTransform::default())
+										}
+									}else{
+										(glam::Vec4::ONE,RobloxTextureTransform::default())
+									};
+									part_texture_description[normal_id as usize]=Some(RobloxFaceTextureDescription{
+										texture:texture_id,
+										color:roblox_texture_color,
+										transform:roblox_texture_transform,
+									});
+								}else{
+									println!("NormalId={} unsupported for shape={:?}",normal_id,shape);
+								}
+							}
+						}
+					}
+				}
+				//obscure rust syntax "slice pattern"
+				let [
+					f0,//Cube::Right
+					f1,//Cube::Top
+					f2,//Cube::Back
+					f3,//Cube::Left
+					f4,//Cube::Bottom
+					f5,//Cube::Front
+				]=part_texture_description;
+				let basepart_texture_description=match shape{
+					primitives::Primitives::Sphere=>RobloxBasePartDescription::Sphere,
+					primitives::Primitives::Cube=>RobloxBasePartDescription::Part([f0,f1,f2,f3,f4,f5]),
+					primitives::Primitives::Cylinder=>RobloxBasePartDescription::Cylinder,
+					//use front face texture first and use top face texture as a fallback
+					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([
+						f0,//Cube::Right->Wedge::Right
+						if f5.is_some(){f5}else{f1},//Cube::Front|Cube::Top->Wedge::TopFront
+						f2,//Cube::Back->Wedge::Back
+						f3,//Cube::Left->Wedge::Left
+						f4,//Cube::Bottom->Wedge::Bottom
+					]),
+					//TODO: fix Left+Back texture coordinates to match roblox when not overwridden by Top
+					primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([
+						f0,//Cube::Right->CornerWedge::Right
+						if f2.is_some(){f2}else{f1.clone()},//Cube::Back|Cube::Top->CornerWedge::TopBack
+						if f3.is_some(){f3}else{f1},//Cube::Left|Cube::Top->CornerWedge::TopLeft
+						f4,//Cube::Bottom->CornerWedge::Bottom
+						f5,//Cube::Front->CornerWedge::Front
+					]),
+				};
+				//make new model if unit cube has not been created before
+				let model_id=if let Some(&model_id)=model_id_from_description.get(&basepart_texture_description){
+					//push to existing texture model
+					model_id
+				}else{
+					let model_id=indexed_models.len();
+					model_id_from_description.insert(basepart_texture_description.clone(),model_id);//borrow checker going crazy
+					indexed_models.push(match basepart_texture_description{
+						RobloxBasePartDescription::Sphere=>primitives::unit_sphere(),
+						RobloxBasePartDescription::Part(part_texture_description)=>{
+							let mut cube_face_description=primitives::CubeFaceDescription::new();
+							for (face_id,roblox_face_description) in part_texture_description.iter().enumerate(){
+								cube_face_description.insert(
+								match face_id{
+									0=>primitives::CubeFace::Right,
+									1=>primitives::CubeFace::Top,
+									2=>primitives::CubeFace::Back,
+									3=>primitives::CubeFace::Left,
+									4=>primitives::CubeFace::Bottom,
+									5=>primitives::CubeFace::Front,
+									_=>panic!("unreachable"),
+								},
+								match roblox_face_description{
+									Some(roblox_texture_transform)=>roblox_texture_transform.to_face_description(),
+									None=>primitives::FaceDescription::default(),
+								});
+							}
+							primitives::generate_partial_unit_cube(cube_face_description)
+						},
+						RobloxBasePartDescription::Cylinder=>primitives::unit_cylinder(),
+						RobloxBasePartDescription::Wedge(wedge_texture_description)=>{
+							let mut wedge_face_description=primitives::WedgeFaceDescription::new();
+							for (face_id,roblox_face_description) in wedge_texture_description.iter().enumerate(){
+								wedge_face_description.insert(
+								match face_id{
+									0=>primitives::WedgeFace::Right,
+									1=>primitives::WedgeFace::TopFront,
+									2=>primitives::WedgeFace::Back,
+									3=>primitives::WedgeFace::Left,
+									4=>primitives::WedgeFace::Bottom,
+									_=>panic!("unreachable"),
+								},
+								match roblox_face_description{
+									Some(roblox_texture_transform)=>roblox_texture_transform.to_face_description(),
+									None=>primitives::FaceDescription::default(),
+								});
+							}
+							primitives::generate_partial_unit_wedge(wedge_face_description)
+						},
+						RobloxBasePartDescription::CornerWedge(cornerwedge_texture_description)=>{
+							let mut cornerwedge_face_description=primitives::CornerWedgeFaceDescription::new();
+							for (face_id,roblox_face_description) in cornerwedge_texture_description.iter().enumerate(){
+								cornerwedge_face_description.insert(
+								match face_id{
+									0=>primitives::CornerWedgeFace::Right,
+									1=>primitives::CornerWedgeFace::TopBack,
+									2=>primitives::CornerWedgeFace::TopLeft,
+									3=>primitives::CornerWedgeFace::Bottom,
+									4=>primitives::CornerWedgeFace::Front,
+									_=>panic!("unreachable"),
+								},
+								match roblox_face_description{
+									Some(roblox_texture_transform)=>roblox_texture_transform.to_face_description(),
+									None=>primitives::FaceDescription::default(),
+								});
+							}
+							primitives::generate_partial_unit_cornerwedge(cornerwedge_face_description)
+						},
+					});
+					model_id
+				};
+				indexed_models[model_id].instances.push(crate::model::ModelInstance {
+					transform:model_transform,
+					color:glam::vec4(color3.r as f32/255f32, color3.g as f32/255f32, color3.b as f32/255f32, 1.0-*transparency),
+					attributes:get_attributes(&object.name,*can_collide,Planar64Vec3::try_from([velocity.x,velocity.y,velocity.z]).unwrap(),force_intersecting),
+					temp_indexing:temp_indexing_attributes,
+				});
+			}
+		}
+	}
+	crate::model::IndexedModelInstances{
+		textures:asset_id_from_texture_id.iter().map(|t|t.to_string()).collect(),
+		models:indexed_models,
+		spawn_point,
+		modes:Vec::new(),
+	}
+}
--- a/src/main.rs
+++ b/src/main.rs
--- a/src/model.rs
+++ b/src/model.rs
@ -0,0 +1,238 @@
+use crate::integer::{Planar64,Planar64Vec3,Planar64Affine3};
+pub type TextureCoordinate=glam::Vec2;
+pub type Color4=glam::Vec4;
+#[derive(Clone,Hash,PartialEq,Eq)]
+pub struct IndexedVertex{
+	pub pos:u32,
+	pub tex:u32,
+	pub normal:u32,
+	pub color:u32,
+}
+pub struct IndexedPolygon{
+	pub vertices:Vec<u32>,
+}
+pub struct IndexedGroup{
+	pub texture:Option<u32>,//RenderPattern? material/texture/shader/flat color
+	pub polys:Vec<IndexedPolygon>,
+}
+pub struct IndexedModel{
+	pub unique_pos:Vec<Planar64Vec3>,
+	pub unique_normal:Vec<Planar64Vec3>,
+	pub unique_tex:Vec<TextureCoordinate>,
+	pub unique_color:Vec<Color4>,
+	pub unique_vertices:Vec<IndexedVertex>,
+	pub groups: Vec<IndexedGroup>,
+	pub instances:Vec<ModelInstance>,
+}
+pub struct ModelInstance{
+	//pub id:u64,//this does not actually help with map fixes resimulating bots, they must always be resimulated
+	pub transform:Planar64Affine3,
+	pub color:Color4,//transparency is in here
+	pub attributes:CollisionAttributes,
+	pub temp_indexing:Vec<TempIndexedAttributes>,
+}
+impl std::default::Default for ModelInstance{
+	fn default() -> Self {
+		Self{
+			color:Color4::ONE,
+			transform:Default::default(),
+			attributes:Default::default(),
+			temp_indexing:Default::default(),
+		}
+	}
+}
+pub struct IndexedModelInstances{
+	pub textures:Vec<String>,//RenderPattern
+	pub models:Vec<IndexedModel>,
+	//may make this into an object later.
+	pub modes:Vec<ModeDescription>,
+	pub spawn_point:Planar64Vec3,
+}
+//stage description referencing flattened ids is spooky, but the map loading is meant to be deterministic.
+pub struct ModeDescription{
+	pub start:u32,//start=model_id
+	pub spawns:Vec<u32>,//spawns[spawn_id]=model_id
+	pub ordered_checkpoints:Vec<u32>,//ordered_checkpoints[checkpoint_id]=model_id
+	pub unordered_checkpoints:Vec<u32>,//unordered_checkpoints[checkpoint_id]=model_id
+	pub spawn_from_stage_id:std::collections::HashMap::<u32,usize>,
+	pub ordered_checkpoint_from_checkpoint_id:std::collections::HashMap::<u32,usize>,
+}
+impl ModeDescription{
+	pub fn get_spawn_model_id(&self,stage_id:u32)->Option<&u32>{
+		if let Some(&spawn)=self.spawn_from_stage_id.get(&stage_id){
+			self.spawns.get(spawn)
+		}else{
+			None
+		}
+	}
+	pub fn get_ordered_checkpoint_model_id(&self,checkpoint_id:u32)->Option<&u32>{
+		if let Some(&checkpoint)=self.ordered_checkpoint_from_checkpoint_id.get(&checkpoint_id){
+			self.ordered_checkpoints.get(checkpoint)
+		}else{
+			None
+		}
+	}
+}
+pub enum TempIndexedAttributes{
+	Start{
+		mode_id:u32,
+	},
+	Spawn{
+		mode_id:u32,
+		stage_id:u32,
+	},
+	OrderedCheckpoint{
+		mode_id:u32,
+		checkpoint_id:u32,
+	},
+	UnorderedCheckpoint{
+		mode_id:u32,
+	},
+}
+
+//you have this effect while in contact
+#[derive(Clone)]
+pub struct ContactingSurf{}
+#[derive(Clone)]
+pub struct ContactingLadder{
+	pub sticky:bool
+}
+//you have this effect while intersecting
+#[derive(Clone)]
+pub struct IntersectingWater{
+	pub viscosity:Planar64,
+	pub density:Planar64,
+	pub current:Planar64Vec3,
+}
+#[derive(Clone)]
+pub struct IntersectingAccelerator{
+	pub acceleration:Planar64Vec3
+}
+//All models can be given these attributes
+#[derive(Clone)]
+pub struct GameMechanicJumpLimit{
+	pub count:u32,
+}
+#[derive(Clone)]
+pub struct GameMechanicBooster{
+	pub velocity:Planar64Vec3,
+}
+#[derive(Clone)]
+pub enum ZoneBehaviour{
+	//Start is indexed
+	//Checkpoints are indexed
+	Finish,
+	Anitcheat,
+}
+#[derive(Clone)]
+pub struct GameMechanicZone{
+	pub mode_id:u32,
+	pub behaviour:ZoneBehaviour,
+}
+// enum TrapCondition{
+// 	FasterThan(i64),
+// 	SlowerThan(i64),
+// 	InRange(i64,i64),
+// 	OutsideRange(i64,i64),
+// }
+#[derive(Clone)]
+pub enum StageElementBehaviour{
+ 	//Spawn,//The behaviour of stepping on a spawn setting the spawnid
+ 	SpawnAt,
+ 	Trigger,
+ 	Teleport,
+ 	Platform,
+ 	//Speedtrap(TrapCondition),//Acts as a trigger with a speed condition
+}
+#[derive(Clone)]
+pub struct GameMechanicStageElement{
+	pub mode_id:u32,
+	pub stage_id:u32,//which spawn to send to
+	pub force:bool,//allow setting to lower spawn id i.e. 7->3
+	pub behaviour:StageElementBehaviour
+}
+#[derive(Clone)]
+pub struct GameMechanicWormhole{//(position,angles)*=origin.transform.inverse()*destination.transform
+	pub model_id:u32,
+}
+#[derive(Default,Clone)]
+pub struct GameMechanicAttributes{
+	pub jump_limit:Option<GameMechanicJumpLimit>,
+	pub booster:Option<GameMechanicBooster>,
+	pub zone:Option<GameMechanicZone>,
+	pub stage_element:Option<GameMechanicStageElement>,
+	pub wormhole:Option<GameMechanicWormhole>,//stage_element and wormhole are in conflict
+}
+#[derive(Default,Clone)]
+pub struct ContactingAttributes{
+	pub elasticity:Option<u32>,//[1/2^32,1] 0=None (elasticity+1)/2^32
+	//friction?
+	pub surf:Option<ContactingSurf>,
+	pub ladder:Option<ContactingLadder>,
+}
+#[derive(Default,Clone)]
+pub struct IntersectingAttributes{
+	pub water:Option<IntersectingWater>,
+	pub accelerator:Option<IntersectingAccelerator>,
+}
+//Spawn(u32) NO! spawns are indexed in the map header instead of marked with attibutes
+pub enum CollisionAttributes{
+	Decoration,//visual only
+	Contact{//track whether you are contacting the object
+		contacting:ContactingAttributes,
+		general:GameMechanicAttributes,
+	},
+	Intersect{//track whether you are intersecting the object
+		intersecting:IntersectingAttributes,
+		general:GameMechanicAttributes,
+	},
+}
+impl std::default::Default for CollisionAttributes{
+	fn default() -> Self {
+		Self::Contact{
+			contacting:ContactingAttributes::default(),
+			general:GameMechanicAttributes::default()
+		}
+	}
+}
+
+pub fn generate_indexed_model_list_from_obj(data:obj::ObjData,color:Color4)->Vec<IndexedModel>{
+	let mut unique_vertex_index = std::collections::HashMap::<obj::IndexTuple,u32>::new();
+	return data.objects.iter().map(|object|{
+		unique_vertex_index.clear();
+		let mut unique_vertices = Vec::new();
+		let groups = object.groups.iter().map(|group|{
+			IndexedGroup{
+				texture:None,
+				polys:group.polys.iter().map(|poly|{
+					IndexedPolygon{
+						vertices:poly.0.iter().map(|&tup|{
+							if let Some(&i)=unique_vertex_index.get(&tup){
+								i
+							}else{
+								let i=unique_vertices.len() as u32;
+								unique_vertices.push(IndexedVertex{
+									pos: tup.0 as u32,
+									tex: tup.1.unwrap() as u32,
+									normal: tup.2.unwrap() as u32,
+									color: 0,
+								});
+								unique_vertex_index.insert(tup,i);
+								i
+							}
+						}).collect()
+					}
+				}).collect()
+			}
+		}).collect();
+		IndexedModel{
+			unique_pos: data.position.iter().map(|&v|Planar64Vec3::try_from(v).unwrap()).collect(),
+			unique_tex: data.texture.iter().map(|&v|TextureCoordinate::from_array(v)).collect(),
+			unique_normal: data.normal.iter().map(|&v|Planar64Vec3::try_from(v).unwrap()).collect(),
+			unique_color: vec![color],
+			unique_vertices,
+			groups,
+			instances:Vec::new(),
+		}
+	}).collect()
+}
--- a/src/model_graphics.rs
+++ b/src/model_graphics.rs
@ -0,0 +1,35 @@
+use bytemuck::{Pod, Zeroable};
+use crate::model::{IndexedVertex,IndexedPolygon};
+#[derive(Clone, Copy, Pod, Zeroable)]
+#[repr(C)]
+pub struct GraphicsVertex {
+	pub pos: [f32; 3],
+	pub tex: [f32; 2],
+	pub normal: [f32; 3],
+	pub color: [f32; 4],
+}
+pub struct IndexedGroupFixedTexture{
+	pub polys:Vec<IndexedPolygon>,
+}
+pub struct IndexedModelGraphicsSingleTexture{
+	pub unique_pos:Vec<[f32; 3]>,
+	pub unique_tex:Vec<[f32; 2]>,
+	pub unique_normal:Vec<[f32; 3]>,
+	pub unique_color:Vec<[f32; 4]>,
+	pub unique_vertices:Vec<IndexedVertex>,
+	pub texture:Option<u32>,//RenderPattern? material/texture/shader/flat color
+	pub groups: Vec<IndexedGroupFixedTexture>,
+	pub instances:Vec<ModelGraphicsInstance>,
+}
+pub struct ModelGraphicsSingleTexture{
+	pub instances: Vec<ModelGraphicsInstance>,
+	pub vertices: Vec<GraphicsVertex>,
+	pub entities: Vec<Vec<u16>>,
+	pub texture: Option<u32>,
+}
+#[derive(Clone)]
+pub struct ModelGraphicsInstance{
+	pub transform:glam::Mat4,
+	pub normal_transform:glam::Mat3,
+	pub color:glam::Vec4,
+}
--- a/src/model_physics.rs
+++ b/src/model_physics.rs
@ -0,0 +1 @@
+//
--- a/src/physics.rs
+++ b/src/physics.rs
--- a/src/primitives.rs
+++ b/src/primitives.rs
@ -0,0 +1,510 @@
+use crate::model::{Color4,TextureCoordinate,IndexedModel,IndexedPolygon,IndexedGroup,IndexedVertex};
+use crate::integer::Planar64Vec3;
+
+#[derive(Debug)]
+pub enum Primitives{
+	Sphere,
+	Cube,
+	Cylinder,
+	Wedge,
+	CornerWedge,
+}
+#[derive(Hash,PartialEq,Eq)]
+pub enum CubeFace{
+	Right,
+	Top,
+	Back,
+	Left,
+	Bottom,
+	Front,
+}
+const CUBE_DEFAULT_TEXTURE_COORDS:[TextureCoordinate;4]=[
+	TextureCoordinate::new(0.0,0.0),
+	TextureCoordinate::new(1.0,0.0),
+	TextureCoordinate::new(1.0,1.0),
+	TextureCoordinate::new(0.0,1.0),
+];
+const CUBE_DEFAULT_VERTICES:[Planar64Vec3;8]=[
+	Planar64Vec3::int(-1,-1, 1),//0 left bottom back
+	Planar64Vec3::int( 1,-1, 1),//1 right bottom back
+	Planar64Vec3::int( 1, 1, 1),//2 right top back
+	Planar64Vec3::int(-1, 1, 1),//3 left top back
+	Planar64Vec3::int(-1, 1,-1),//4 left top front
+	Planar64Vec3::int( 1, 1,-1),//5 right top front
+	Planar64Vec3::int( 1,-1,-1),//6 right bottom front
+	Planar64Vec3::int(-1,-1,-1),//7 left bottom front
+];
+const CUBE_DEFAULT_NORMALS:[Planar64Vec3;6]=[
+	Planar64Vec3::int( 1, 0, 0),//CubeFace::Right
+	Planar64Vec3::int( 0, 1, 0),//CubeFace::Top
+	Planar64Vec3::int( 0, 0, 1),//CubeFace::Back
+	Planar64Vec3::int(-1, 0, 0),//CubeFace::Left
+	Planar64Vec3::int( 0,-1, 0),//CubeFace::Bottom
+	Planar64Vec3::int( 0, 0,-1),//CubeFace::Front
+];
+const CUBE_DEFAULT_POLYS:[[[u32;3];4];6]=[
+	// right (1, 0, 0)
+	[
+		[6,2,0],//[vertex,tex,norm]
+		[5,1,0],
+		[2,0,0],
+		[1,3,0],
+	],
+	// top (0, 1, 0)
+	[
+		[5,3,1],
+		[4,2,1],
+		[3,1,1],
+		[2,0,1],
+	],
+	// back (0, 0, 1)
+	[
+		[0,3,2],
+		[1,2,2],
+		[2,1,2],
+		[3,0,2],
+	],
+	// left (-1, 0, 0)
+	[
+		[0,2,3],
+		[3,1,3],
+		[4,0,3],
+		[7,3,3],
+	],
+	// bottom (0,-1, 0)
+	[
+		[1,1,4],
+		[0,0,4],
+		[7,3,4],
+		[6,2,4],
+	],
+	// front (0, 0,-1)
+	[
+		[4,1,5],
+		[5,0,5],
+		[6,3,5],
+		[7,2,5],
+	],
+];
+
+#[derive(Hash,PartialEq,Eq)]
+pub enum WedgeFace{
+	Right,
+	TopFront,
+	Back,
+	Left,
+	Bottom,
+}
+const WEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
+	Planar64Vec3::int( 1, 0, 0),//Wedge::Right
+	Planar64Vec3::int( 0, 1,-1),//Wedge::TopFront
+	Planar64Vec3::int( 0, 0, 1),//Wedge::Back
+	Planar64Vec3::int(-1, 0, 0),//Wedge::Left
+	Planar64Vec3::int( 0,-1, 0),//Wedge::Bottom
+];
+/*
+local cornerWedgeVerticies = {
+	Vector3.new(-1/2,-1/2,-1/2),7
+	Vector3.new(-1/2,-1/2, 1/2),0
+	Vector3.new( 1/2,-1/2,-1/2),6
+	Vector3.new( 1/2,-1/2, 1/2),1
+	Vector3.new( 1/2, 1/2,-1/2),5
+}
+*/
+#[derive(Hash,PartialEq,Eq)]
+pub enum CornerWedgeFace{
+	Right,
+	TopBack,
+	TopLeft,
+	Bottom,
+	Front,
+}
+const CORNERWEDGE_DEFAULT_NORMALS:[Planar64Vec3;5]=[
+	Planar64Vec3::int( 1, 0, 0),//CornerWedge::Right
+	Planar64Vec3::int( 0, 1, 1),//CornerWedge::BackTop
+	Planar64Vec3::int(-1, 1, 0),//CornerWedge::LeftTop
+	Planar64Vec3::int( 0,-1, 0),//CornerWedge::Bottom
+	Planar64Vec3::int( 0, 0,-1),//CornerWedge::Front
+];
+//HashMap fits this use case perfectly but feels like using a sledgehammer to drive a nail
+pub fn unit_sphere()->crate::model::IndexedModel{
+	let mut indexed_model=crate::model::generate_indexed_model_list_from_obj(obj::ObjData::load_buf(&include_bytes!("../models/suzanne.obj")[..]).unwrap(),Color4::ONE).remove(0);
+	for pos in indexed_model.unique_pos.iter_mut(){
+		*pos=*pos/2;
+	}
+	indexed_model
+}
+pub type CubeFaceDescription=std::collections::HashMap::<CubeFace,FaceDescription>;
+pub fn unit_cube()->crate::model::IndexedModel{
+	let mut t=CubeFaceDescription::new();
+	t.insert(CubeFace::Right,FaceDescription::default());
+	t.insert(CubeFace::Top,FaceDescription::default());
+	t.insert(CubeFace::Back,FaceDescription::default());
+	t.insert(CubeFace::Left,FaceDescription::default());
+	t.insert(CubeFace::Bottom,FaceDescription::default());
+	t.insert(CubeFace::Front,FaceDescription::default());
+	generate_partial_unit_cube(t)
+}
+const TEAPOT_TRANSFORM:crate::integer::Planar64Mat3=crate::integer::Planar64Mat3::int_from_cols_array([0,1,0, -1,0,0, 0,0,1]);
+pub fn unit_cylinder()->crate::model::IndexedModel{
+	let mut indexed_model=crate::model::generate_indexed_model_list_from_obj(obj::ObjData::load_buf(&include_bytes!("../models/teapot.obj")[..]).unwrap(),Color4::ONE).remove(0);
+	for pos in indexed_model.unique_pos.iter_mut(){
+		*pos=TEAPOT_TRANSFORM*(*pos)/10;
+	}
+	indexed_model
+}
+pub type WedgeFaceDescription=std::collections::HashMap::<WedgeFace,FaceDescription>;
+pub fn unit_wedge()->crate::model::IndexedModel{
+	let mut t=WedgeFaceDescription::new();
+	t.insert(WedgeFace::Right,FaceDescription::default());
+	t.insert(WedgeFace::TopFront,FaceDescription::default());
+	t.insert(WedgeFace::Back,FaceDescription::default());
+	t.insert(WedgeFace::Left,FaceDescription::default());
+	t.insert(WedgeFace::Bottom,FaceDescription::default());
+	generate_partial_unit_wedge(t)
+}
+pub type CornerWedgeFaceDescription=std::collections::HashMap::<CornerWedgeFace,FaceDescription>;
+pub fn unit_cornerwedge()->crate::model::IndexedModel{
+	let mut t=CornerWedgeFaceDescription::new();
+	t.insert(CornerWedgeFace::Right,FaceDescription::default());
+	t.insert(CornerWedgeFace::TopBack,FaceDescription::default());
+	t.insert(CornerWedgeFace::TopLeft,FaceDescription::default());
+	t.insert(CornerWedgeFace::Bottom,FaceDescription::default());
+	t.insert(CornerWedgeFace::Front,FaceDescription::default());
+	generate_partial_unit_cornerwedge(t)
+}
+
+#[derive(Copy,Clone)]
+pub struct FaceDescription{
+	pub texture:Option<u32>,
+	pub transform:glam::Affine2,
+	pub color:Color4,
+}
+impl std::default::Default for FaceDescription{
+	fn default()->Self {
+		Self{
+			texture:None,
+			transform:glam::Affine2::IDENTITY,
+			color:Color4::new(1.0,1.0,1.0,0.0),//zero alpha to hide the default texture
+		}
+	}
+}
+impl FaceDescription{
+	pub fn new(texture:u32,transform:glam::Affine2,color:Color4)->Self{
+		Self{texture:Some(texture),transform,color}
+	}
+	pub fn from_texture(texture:u32)->Self{
+		Self{
+			texture:Some(texture),
+			transform:glam::Affine2::IDENTITY,
+			color:Color4::ONE,
+		}
+	}
+}
+//TODO: it's probably better to use a shared vertex buffer between all primitives and use indexed rendering instead of generating a unique vertex buffer for each primitive.
+//implementation: put all roblox primitives into one model.groups <- this won't work but I forget why
+pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->crate::model::IndexedModel{
+	let mut generated_pos=Vec::new();
+	let mut generated_tex=Vec::new();
+	let mut generated_normal=Vec::new();
+	let mut generated_color=Vec::new();
+	let mut generated_vertices=Vec::new();
+	let mut groups=Vec::new();
+	let mut transforms=Vec::new();
+	//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
+	for (face,face_description) in face_descriptions.into_iter(){
+		//assume that scanning short lists is faster than hashing.
+		let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
+			transform_index
+		}else{
+			//create new transform_index
+			let transform_index=transforms.len();
+			transforms.push(face_description.transform);
+			for tex in CUBE_DEFAULT_TEXTURE_COORDS{
+				generated_tex.push(face_description.transform.transform_point2(tex));
+			}
+			transform_index
+		} as u32;
+		let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
+			color_index
+		}else{
+			//create new color_index
+			let color_index=generated_color.len();
+			generated_color.push(face_description.color);
+			color_index
+		} as u32;
+		let face_id=match face{
+			CubeFace::Right => 0,
+			CubeFace::Top => 1,
+			CubeFace::Back => 2,
+			CubeFace::Left => 3,
+			CubeFace::Bottom => 4,
+			CubeFace::Front => 5,
+		};
+		//always push normal
+		let normal_index=generated_normal.len() as u32;
+		generated_normal.push(CUBE_DEFAULT_NORMALS[face_id]);
+		//push vertices as they are needed
+		groups.push(IndexedGroup{
+			texture:face_description.texture,
+			polys:vec![IndexedPolygon{
+				vertices:CUBE_DEFAULT_POLYS[face_id].map(|tup|{
+					let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
+					let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
+						pos_index
+					}else{
+						//create new pos_index
+						let pos_index=generated_pos.len();
+						generated_pos.push(pos);
+						pos_index
+					} as u32;
+					//always push vertex
+					let vertex=IndexedVertex{
+						pos:pos_index,
+						tex:tup[1]+4*transform_index,
+						normal:normal_index,
+						color:color_index,
+					};
+					let vert_index=generated_vertices.len();
+					generated_vertices.push(vertex);
+					vert_index as u32
+				}).to_vec(),
+			}],
+		});
+	}
+	IndexedModel{
+		unique_pos:generated_pos,
+		unique_tex:generated_tex,
+		unique_normal:generated_normal,
+		unique_color:generated_color,
+		unique_vertices:generated_vertices,
+		groups,
+		instances:Vec::new(),
+	}
+}
+//don't think too hard about the copy paste because this is all going into the map tool eventually...
+pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->crate::model::IndexedModel{
+	let wedge_default_polys=vec![
+		// right (1, 0, 0)
+		vec![
+			[6,2,0],//[vertex,tex,norm]
+			[2,0,0],
+			[1,3,0],
+		],
+		// FrontTop (0, 1, -1)
+		vec![
+			[3,1,1],
+			[2,0,1],
+			[6,3,1],
+			[7,2,1],
+		],
+		// back (0, 0, 1)
+		vec![
+			[0,3,2],
+			[1,2,2],
+			[2,1,2],
+			[3,0,2],
+		],
+		// left (-1, 0, 0)
+		vec![
+			[0,2,3],
+			[3,1,3],
+			[7,3,3],
+		],
+		// bottom (0,-1, 0)
+		vec![
+			[1,1,4],
+			[0,0,4],
+			[7,3,4],
+			[6,2,4],
+		],
+	];
+	let mut generated_pos=Vec::new();
+	let mut generated_tex=Vec::new();
+	let mut generated_normal=Vec::new();
+	let mut generated_color=Vec::new();
+	let mut generated_vertices=Vec::new();
+	let mut groups=Vec::new();
+	let mut transforms=Vec::new();
+	//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
+	for (face,face_description) in face_descriptions.into_iter(){
+		//assume that scanning short lists is faster than hashing.
+		let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
+			transform_index
+		}else{
+			//create new transform_index
+			let transform_index=transforms.len();
+			transforms.push(face_description.transform);
+			for tex in CUBE_DEFAULT_TEXTURE_COORDS{
+				generated_tex.push(face_description.transform.transform_point2(tex));
+			}
+			transform_index
+		} as u32;
+		let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
+			color_index
+		}else{
+			//create new color_index
+			let color_index=generated_color.len();
+			generated_color.push(face_description.color);
+			color_index
+		} as u32;
+		let face_id=match face{
+			WedgeFace::Right => 0,
+			WedgeFace::TopFront => 1,
+			WedgeFace::Back => 2,
+			WedgeFace::Left => 3,
+			WedgeFace::Bottom => 4,
+		};
+		//always push normal
+		let normal_index=generated_normal.len() as u32;
+		generated_normal.push(WEDGE_DEFAULT_NORMALS[face_id]);
+		//push vertices as they are needed
+		groups.push(IndexedGroup{
+			texture:face_description.texture,
+			polys:vec![IndexedPolygon{
+				vertices:wedge_default_polys[face_id].iter().map(|tup|{
+					let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
+					let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
+						pos_index
+					}else{
+						//create new pos_index
+						let pos_index=generated_pos.len();
+						generated_pos.push(pos);
+						pos_index
+					} as u32;
+					//always push vertex
+					let vertex=IndexedVertex{
+						pos:pos_index,
+						tex:tup[1]+4*transform_index,
+						normal:normal_index,
+						color:color_index,
+					};
+					let vert_index=generated_vertices.len();
+					generated_vertices.push(vertex);
+					vert_index as u32
+				}).collect(),
+			}],
+		});
+	}
+	IndexedModel{
+		unique_pos:generated_pos,
+		unique_tex:generated_tex,
+		unique_normal:generated_normal,
+		unique_color:generated_color,
+		unique_vertices:generated_vertices,
+		groups,
+		instances:Vec::new(),
+	}
+}
+
+pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescription)->crate::model::IndexedModel{
+	let cornerwedge_default_polys=vec![
+		// right (1, 0, 0)
+		vec![
+			[6,2,0],//[vertex,tex,norm]
+			[5,1,0],
+			[1,3,0],
+		],
+		// BackTop (0, 1, 1)
+		vec![
+			[5,3,1],
+			[0,1,1],
+			[1,0,1],
+		],
+		// LeftTop (-1, 1, 0)
+		vec![
+			[5,3,2],
+			[7,2,2],
+			[0,1,2],
+		],
+		// bottom (0,-1, 0)
+		vec![
+			[1,1,3],
+			[0,0,3],
+			[7,3,3],
+			[6,2,3],
+		],
+		// front (0, 0,-1)
+		vec![
+			[5,0,4],
+			[6,3,4],
+			[7,2,4],
+		],
+	];
+	let mut generated_pos=Vec::new();
+	let mut generated_tex=Vec::new();
+	let mut generated_normal=Vec::new();
+	let mut generated_color=Vec::new();
+	let mut generated_vertices=Vec::new();
+	let mut groups=Vec::new();
+	let mut transforms=Vec::new();
+	//note that on a cube every vertex is guaranteed to be unique, so there's no need to hash them against existing vertices.
+	for (face,face_description) in face_descriptions.into_iter(){
+		//assume that scanning short lists is faster than hashing.
+		let transform_index=if let Some(transform_index)=transforms.iter().position(|&transform|transform==face_description.transform){
+			transform_index
+		}else{
+			//create new transform_index
+			let transform_index=transforms.len();
+			transforms.push(face_description.transform);
+			for tex in CUBE_DEFAULT_TEXTURE_COORDS{
+				generated_tex.push(face_description.transform.transform_point2(tex));
+			}
+			transform_index
+		} as u32;
+		let color_index=if let Some(color_index)=generated_color.iter().position(|&color|color==face_description.color){
+			color_index
+		}else{
+			//create new color_index
+			let color_index=generated_color.len();
+			generated_color.push(face_description.color);
+			color_index
+		} as u32;
+		let face_id=match face{
+			CornerWedgeFace::Right => 0,
+			CornerWedgeFace::TopBack => 1,
+			CornerWedgeFace::TopLeft => 2,
+			CornerWedgeFace::Bottom => 3,
+			CornerWedgeFace::Front => 4,
+		};
+		//always push normal
+		let normal_index=generated_normal.len() as u32;
+		generated_normal.push(CORNERWEDGE_DEFAULT_NORMALS[face_id]);
+		//push vertices as they are needed
+		groups.push(IndexedGroup{
+			texture:face_description.texture,
+			polys:vec![IndexedPolygon{
+				vertices:cornerwedge_default_polys[face_id].iter().map(|tup|{
+					let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
+					let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
+						pos_index
+					}else{
+						//create new pos_index
+						let pos_index=generated_pos.len();
+						generated_pos.push(pos);
+						pos_index
+					} as u32;
+					//always push vertex
+					let vertex=IndexedVertex{
+						pos:pos_index,
+						tex:tup[1]+4*transform_index,
+						normal:normal_index,
+						color:color_index,
+					};
+					let vert_index=generated_vertices.len();
+					generated_vertices.push(vertex);
+					vert_index as u32
+				}).collect(),
+			}],
+		});
+	}
+	IndexedModel{
+		unique_pos:generated_pos,
+		unique_tex:generated_tex,
+		unique_normal:generated_normal,
+		unique_color:generated_color,
+		unique_vertices:generated_vertices,
+		groups,
+		instances:Vec::new(),
+	}
+}
--- a/src/settings.rs
+++ b/src/settings.rs
@ -0,0 +1,134 @@
+use crate::integer::{Ratio64,Ratio64Vec2};
+struct Ratio{
+	ratio:f64,
+}
+enum DerivedFov{
+	FromScreenAspect,
+	FromAspect(Ratio),
+}
+enum Fov{
+	Exactly{x:f64,y:f64},
+	SpecifyXDeriveY{x:f64,y:DerivedFov},
+	SpecifyYDeriveX{x:DerivedFov,y:f64},
+}
+impl Default for Fov{
+	fn default()->Self{
+		Fov::SpecifyYDeriveX{x:DerivedFov::FromScreenAspect,y:1.0}
+	}
+}
+enum DerivedSensitivity{
+	FromRatio(Ratio64),
+}
+enum Sensitivity{
+	Exactly{x:Ratio64,y:Ratio64},
+	SpecifyXDeriveY{x:Ratio64,y:DerivedSensitivity},
+	SpecifyYDeriveX{x:DerivedSensitivity,y:Ratio64},
+}
+impl Default for Sensitivity{
+	fn default()->Self{
+		Sensitivity::SpecifyXDeriveY{x:Ratio64::ONE*524288,y:DerivedSensitivity::FromRatio(Ratio64::ONE)}
+	}
+}
+
+#[derive(Default)]
+pub struct UserSettings{
+	fov:Fov,
+	sensitivity:Sensitivity,
+}
+impl UserSettings{
+	pub fn calculate_fov(&self,zoom:f64,screen_size:&glam::UVec2)->glam::DVec2{
+		zoom*match &self.fov{
+			&Fov::Exactly{x,y}=>glam::dvec2(x,y),
+			Fov::SpecifyXDeriveY{x,y}=>match y{
+				DerivedFov::FromScreenAspect=>glam::dvec2(*x,x*(screen_size.y as f64/screen_size.x as f64)),
+				DerivedFov::FromAspect(ratio)=>glam::dvec2(*x,x*ratio.ratio),
+			},
+			Fov::SpecifyYDeriveX{x,y}=>match x{
+				DerivedFov::FromScreenAspect=>glam::dvec2(y*(screen_size.x as f64/screen_size.y as f64),*y),
+				DerivedFov::FromAspect(ratio)=>glam::dvec2(y*ratio.ratio,*y),
+			},
+		}
+	}
+	pub fn calculate_sensitivity(&self)->Ratio64Vec2{
+		match &self.sensitivity{
+			Sensitivity::Exactly{x,y}=>Ratio64Vec2::new(x.clone(),y.clone()),
+			Sensitivity::SpecifyXDeriveY{x,y}=>match y{
+				DerivedSensitivity::FromRatio(ratio)=>Ratio64Vec2::new(x.clone(),x.mul_ref(ratio)),
+			}
+			Sensitivity::SpecifyYDeriveX{x,y}=>match x{
+				DerivedSensitivity::FromRatio(ratio)=>Ratio64Vec2::new(y.mul_ref(ratio),y.clone()),
+			}
+		}
+	}
+}
+
+/*
+//sensitivity is raw input dots (i.e. dpi = dots per inch) to radians conversion factor
+sensitivity_x=0.001
+sensitivity_y_from_x_ratio=1
+Sensitivity::DeriveY{x:0.0.001,y:DerivedSensitivity{ratio:1.0}}
+*/
+
+pub fn read_user_settings()->UserSettings{
+	let mut cfg=configparser::ini::Ini::new();
+	if let Ok(_)=cfg.load("settings.conf"){
+		let (cfg_fov_x,cfg_fov_y)=(cfg.getfloat("camera","fov_x"),cfg.getfloat("camera","fov_y"));
+		let fov=match(cfg_fov_x,cfg_fov_y){
+			(Ok(Some(fov_x)),Ok(Some(fov_y)))=>Fov::Exactly {
+				x:fov_x,
+				y:fov_y
+			},
+			(Ok(Some(fov_x)),Ok(None))=>Fov::SpecifyXDeriveY{
+				x:fov_x,
+				y:if let Ok(Some(fov_y_from_x_ratio))=cfg.getfloat("camera","fov_y_from_x_ratio"){
+					DerivedFov::FromAspect(Ratio{ratio:fov_y_from_x_ratio})
+				}else{
+					DerivedFov::FromScreenAspect
+				}
+			},
+			(Ok(None),Ok(Some(fov_y)))=>Fov::SpecifyYDeriveX{
+				x:if let Ok(Some(fov_x_from_y_ratio))=cfg.getfloat("camera","fov_x_from_y_ratio"){
+					DerivedFov::FromAspect(Ratio{ratio:fov_x_from_y_ratio})
+				}else{
+					DerivedFov::FromScreenAspect
+				},
+				y:fov_y,
+			},
+			_=>{
+				Fov::default()
+			},
+		};
+		let (cfg_sensitivity_x,cfg_sensitivity_y)=(cfg.getfloat("camera","sensitivity_x"),cfg.getfloat("camera","sensitivity_y"));
+		let sensitivity=match(cfg_sensitivity_x,cfg_sensitivity_y){
+			(Ok(Some(sensitivity_x)),Ok(Some(sensitivity_y)))=>Sensitivity::Exactly {
+				x:Ratio64::try_from(sensitivity_x).unwrap(),
+				y:Ratio64::try_from(sensitivity_y).unwrap(),
+			},
+			(Ok(Some(sensitivity_x)),Ok(None))=>Sensitivity::SpecifyXDeriveY{
+				x:Ratio64::try_from(sensitivity_x).unwrap(),
+				y:if let Ok(Some(sensitivity_y_from_x_ratio))=cfg.getfloat("camera","sensitivity_y_from_x_ratio"){
+					DerivedSensitivity::FromRatio(Ratio64::try_from(sensitivity_y_from_x_ratio).unwrap())
+				}else{
+					DerivedSensitivity::FromRatio(Ratio64::ONE)
+				},
+			},
+			(Ok(None),Ok(Some(sensitivity_y)))=>Sensitivity::SpecifyYDeriveX{
+				x:if let Ok(Some(sensitivity_x_from_y_ratio))=cfg.getfloat("camera","sensitivity_x_from_y_ratio"){
+					DerivedSensitivity::FromRatio(Ratio64::try_from(sensitivity_x_from_y_ratio).unwrap())
+				}else{
+					DerivedSensitivity::FromRatio(Ratio64::ONE)
+				},
+				y:Ratio64::try_from(sensitivity_y).unwrap(),
+			},
+			_=>{
+				Sensitivity::default()
+			},
+		};
+		UserSettings{
+			fov,
+			sensitivity,
+		}
+	}else{
+		UserSettings::default()
+	}
+}
--- a/src/shader.wgsl
+++ b/src/shader.wgsl
@ -1,21 +1,23 @@
-struct SkyOutput {
-	@builtin(position) position: vec4<f32>,
-	@location(0) sampledir: vec3<f32>,
-};
-
-struct Data {
+struct Camera {
 	// from camera to screen
 	proj: mat4x4<f32>,
 	// from screen to camera
 	proj_inv: mat4x4<f32>,
 	// from world to camera
 	view: mat4x4<f32>,
-	// camera position
-	cam_pos: vec4<f32>,
+	// from camera to world
+	view_inv: mat4x4<f32>,
 };
+
+//group 0 is the camera
@group(0)
@binding(0)
-var<uniform> r_data: Data;
+var<uniform> camera: Camera;
+
+struct SkyOutput {
+	@builtin(position) position: vec4<f32>,
+	@location(0) sampledir: vec3<f32>,
+};

@vertex
 fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
@ -29,9 +31,8 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 		1.0
 	);

-	// transposition = inversion for this orthonormal matrix
-	let inv_model_view = transpose(mat3x3<f32>(r_data.view[0].xyz, r_data.view[1].xyz, r_data.view[2].xyz));
-	let unprojected = r_data.proj_inv * pos;
+	let inv_model_view = mat3x3<f32>(camera.view_inv[0].xyz, camera.view_inv[1].xyz, camera.view_inv[2].xyz);
+	let unprojected = camera.proj_inv * pos;

 	var result: SkyOutput;
 	result.sampledir = inv_model_view * unprojected.xyz;
@ -39,93 +40,73 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	return result;
 }

-struct GroundOutput {
-	@builtin(position) position: vec4<f32>,
-	@location(4) pos: vec3<f32>,
-};
-
-@vertex
-fn vs_ground(@builtin(vertex_index) vertex_index: u32) -> GroundOutput {
-	// hacky way to draw two triangles that make a square
-	let tmp1 = i32(vertex_index)/2-i32(vertex_index)/3;
-	let tmp2 = i32(vertex_index)&1;
-	let pos = vec3<f32>(
-		f32(tmp1) * 2.0 - 1.0,
-		0.0,
-		f32(tmp2) * 2.0 - 1.0
-	) * 160.0;
-
-	var result: GroundOutput;
-	result.pos = pos;
-	result.position = r_data.proj * r_data.view * vec4<f32>(pos, 1.0);
-	return result;
+struct ModelInstance{
+	transform:mat4x4<f32>,
+	normal_transform:mat3x3<f32>,
+	color:vec4<f32>,
 }
+//my fancy idea is to create a megatexture for each model that includes all the textures each intance will need
+//the texture transform then maps the texture coordinates to the location of the specific texture
+//group 1 is the model
+const MAX_MODEL_INSTANCES=4096;
+@group(2)
+@binding(0)
+var<uniform> model_instances: array<ModelInstance, MAX_MODEL_INSTANCES>;
+@group(2)
+@binding(1)
+var model_texture: texture_2d<f32>;
+@group(2)
+@binding(2)
+var model_sampler: sampler;

-struct EntityOutput {
+struct EntityOutputTexture {
 	@builtin(position) position: vec4<f32>,
 	@location(1) texture: vec2<f32>,
 	@location(2) normal: vec3<f32>,
 	@location(3) view: vec3<f32>,
+	@location(4) color: vec4<f32>,
+	@location(5) @interpolate(flat) model_color: vec4<f32>,
 };
-
-@group(1)
-@binding(0)
-var<uniform> r_EntityTransform: mat4x4<f32>;
-
@vertex
-fn vs_entity(
+fn vs_entity_texture(
+	@builtin(instance_index) instance: u32,
 	@location(0) pos: vec3<f32>,
 	@location(1) texture: vec2<f32>,
 	@location(2) normal: vec3<f32>,
-) -> EntityOutput {
-	var position: vec4<f32> = r_EntityTransform * vec4<f32>(pos, 1.0);
-	var result: EntityOutput;
-	result.normal = (r_EntityTransform * vec4<f32>(normal, 0.0)).xyz;
-	result.texture=texture;
-	result.view = position.xyz - r_data.cam_pos.xyz;
-	result.position = r_data.proj * r_data.view * position;
+	@location(3) color: vec4<f32>,
+) -> EntityOutputTexture {
+	var position: vec4<f32> = model_instances[instance].transform * vec4<f32>(pos, 1.0);
+	var result: EntityOutputTexture;
+	result.normal = model_instances[instance].normal_transform * normal;
+	result.texture = texture;
+	result.color = color;
+	result.model_color = model_instances[instance].color;
+	result.view = position.xyz - camera.view_inv[3].xyz;//col(3)
+	result.position = camera.proj * camera.view * position;
 	return result;
 }

-@group(0)
+//group 2 is the skybox texture
+@group(1)
+@binding(0)
+var cube_texture: texture_cube<f32>;
+@group(1)
@binding(1)
-var r_texture: texture_cube<f32>;
-@group(0)
-@binding(2)
-var r_sampler: sampler;
+var cube_sampler: sampler;

@fragment
 fn fs_sky(vertex: SkyOutput) -> @location(0) vec4<f32> {
-	return textureSample(r_texture, r_sampler, vertex.sampledir);
+	return textureSample(cube_texture, cube_sampler, vertex.sampledir);
 }

@fragment
-fn fs_entity(vertex: EntityOutput) -> @location(0) vec4<f32> {
+fn fs_entity_texture(vertex: EntityOutputTexture) -> @location(0) vec4<f32> {
 	let incident = normalize(vertex.view);
 	let normal = normalize(vertex.normal);
 	let d = dot(normal, incident);
 	let reflected = incident - 2.0 * d * normal;

-	let dir = vec3<f32>(-1.0)+2.0*vec3<f32>(vertex.texture.x,0.0,vertex.texture.y);
-	let texture_color = textureSample(r_texture, r_sampler, dir).rgb;
-	let reflected_color = textureSample(r_texture, r_sampler, reflected).rgb;
-	return vec4<f32>(mix(vec3<f32>(0.1) + 0.5 * reflected_color,texture_color,1.0-pow(1.0-abs(d),2.0)), 1.0);
-}
-
-fn modulo_euclidean (a: f32, b: f32) -> f32 {
-	var m = a % b;
-	if (m < 0.0) {
-		if (b < 0.0) {
-			m -= b;
-		} else {
-			m += b;
-		}
-	}
-	return m;
-}
-
-@fragment
-fn fs_ground(vertex: GroundOutput) -> @location(0) vec4<f32> {
-	let dir = vec3<f32>(-1.0)+vec3<f32>(modulo_euclidean(vertex.pos.x/16.,1.0),0.0,modulo_euclidean(vertex.pos.z/16.,1.0))*2.0;
-	return vec4<f32>(textureSample(r_texture, r_sampler, dir).rgb, 1.0);
+	let fragment_color = textureSample(model_texture, model_sampler, vertex.texture)*vertex.color;
+	let reflected_color = textureSample(cube_texture, cube_sampler, reflected).rgb;
+	return mix(vec4<f32>(vec3<f32>(0.05) + 0.2 * reflected_color,1.0),mix(vertex.model_color,vec4<f32>(fragment_color.rgb,1.0),fragment_color.a),0.5+0.5*abs(d));
 }
--- a/src/sweep.rs
+++ b/src/sweep.rs
@ -0,0 +1,8 @@
+
+//something that implements body + hitbox + transform can predict collision
+impl crate::sweep::PredictCollision for Model {
+	fn predict_collision(&self,other:&Model) -> Option<crate::event::EventStruct> {
+		//math!
+		None
+	}
+}
--- a/src/worker.rs
+++ b/src/worker.rs
@ -0,0 +1,107 @@
+use std::thread;
+use std::sync::{mpsc,Arc};
+use parking_lot::Mutex;
+
+//The goal here is to have a worker thread that parks itself when it runs out of work.
+//The worker thread publishes the result of its work back to the worker object for every item in the work queue.
+//The physics (target use case) knows when it has not changed the body, so not updating the value is also an option.
+
+pub struct Worker<Task:Send,Value:Clone> {
+	sender: mpsc::Sender<Task>,
+	value:Arc<Mutex<Value>>,
+}
+
+impl<Task:Send+'static,Value:Clone+Send+'static> Worker<Task,Value> {
+	pub fn new<F:FnMut(Task)->Value+Send+'static>(value:Value,mut f:F) -> Self {
+		let (sender, receiver) = mpsc::channel::<Task>();
+		let ret=Self {
+			sender,
+			value:Arc::new(Mutex::new(value)),
+		};
+		let value=ret.value.clone();
+		thread::spawn(move || {
+			loop {
+				match receiver.recv() {
+					Ok(task) => {
+						let v=f(task);//make sure function is evaluated before lock is acquired
+						*value.lock()=v;
+					}
+					Err(_) => {
+						println!("Worker stopping.",);
+						break;
+					}
+				}
+			}
+		});
+		ret
+	}
+
+	pub fn send(&self,task:Task)->Result<(), mpsc::SendError<Task>>{
+		self.sender.send(task)
+	}
+
+	pub fn grab_clone(&self)->Value{
+		self.value.lock().clone()
+	}
+}
+
+pub struct CompatWorker<Task,Value:Clone,F>{
+	data:std::marker::PhantomData<Task>,
+	f:F,
+	value:Value,
+}
+
+impl<Task,Value:Clone,F:FnMut(Task)->Value> CompatWorker<Task,Value,F> {
+	pub fn new(value:Value,f:F) -> Self {
+		Self {
+			f,
+			value,
+			data:std::marker::PhantomData,
+		}
+	}
+
+	pub fn send(&mut self,task:Task)->Result<(),()>{
+		self.value=(self.f)(task);
+		Ok(())
+	}
+
+	pub fn grab_clone(&self)->Value{
+		self.value.clone()
+	}
+}
+
+#[test]//How to run this test with printing: cargo test --release -- --nocapture
+fn test_worker() {
+	println!("hiiiii");
+	// Create the worker thread
+	let worker = Worker::new(crate::physics::Body::with_pva(crate::integer::Planar64Vec3::ZERO,crate::integer::Planar64Vec3::ZERO,crate::integer::Planar64Vec3::ZERO),
+		|_|crate::physics::Body::with_pva(crate::integer::Planar64Vec3::ONE,crate::integer::Planar64Vec3::ONE,crate::integer::Planar64Vec3::ONE)
+	);
+
+	// Send tasks to the worker
+	for _ in 0..5 {
+		let task = crate::instruction::TimedInstruction{
+			time:crate::integer::Time::ZERO,
+			instruction:crate::physics::PhysicsInstruction::StrafeTick,
+		};
+		worker.send(task).unwrap();
+	}
+
+	// Optional: Signal the worker to stop (in a real-world scenario)
+	// sender.send("STOP".to_string()).unwrap();
+
+	// Sleep to allow the worker thread to finish processing
+	thread::sleep(std::time::Duration::from_secs(2));
+
+	// Send a new task
+	let task = crate::instruction::TimedInstruction{
+		time:crate::integer::Time::ZERO,
+		instruction:crate::physics::PhysicsInstruction::StrafeTick,
+	};
+	worker.send(task).unwrap();
+
+	println!("value={:?}",worker.grab_clone());
+
+	// wait long enough to see print from final task
+	thread::sleep(std::time::Duration::from_secs(1));
+}
--- a/src/zeroes.rs
+++ b/src/zeroes.rs
@ -0,0 +1,32 @@
+//find roots of polynomials
+use crate::integer::Planar64;
+
+#[inline]
+pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64) -> Vec<Planar64>{
+	if a2==Planar64::ZERO{
+		return zeroes1(a0, a1);
+	}
+	let mut radicand=a1.get() as i128*a1.get() as i128-a2.get() as i128*a0.get() as i128*4;
+	if 0<radicand {
+		//start with f64 sqrt
+		let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
+		//TODO: one or two newtons
+		if Planar64::ZERO<a2 {
+			return vec![(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)];
+		} else {
+			return vec![(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)];
+		}
+	} else if radicand==0 {
+		return vec![a1/(a2*-2)];
+	} else {
+		return vec![];
+	}
+}
+#[inline]
+pub fn zeroes1(a0:Planar64,a1:Planar64) -> Vec<Planar64> {
+	if a1==Planar64::ZERO{
+		return vec![];
+	} else {
+		return vec![-a0/a1];
+	}
+}