wip: timelines

Cargo.lock

@@ -1405,7 +1405,7 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "strafe-client"
-version = "0.3.0"
+version = "0.2.0"
 dependencies = [
  "async-executor",
  "bytemuck",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafe-client"
-version = "0.3.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/body.rs

@@ -1,14 +1,11 @@
-use crate::{instruction::{InstructionEmitter, InstructionConsumer, TimedInstruction}, zeroes::zeroes2};
+use crate::instruction::TimedInstruction;
 
-#[derive(Debug)]
 pub enum PhysicsInstruction {
 	CollisionStart(RelativeCollision),
 	CollisionEnd(RelativeCollision),
-	SetControlDir(glam::Vec3),
 	StrafeTick,
 	Jump,
 	SetWalkTargetVelocity(glam::Vec3),
-	RefreshWalkTarget,
 	ReachWalkTargetVelocity,
 	// Water,
 	// Spawn(
@@ -19,143 +16,35 @@ pub enum PhysicsInstruction {
 }
 
 pub struct Body {
-	position: glam::Vec3,//I64 where 2^32 = 1 u
-	velocity: glam::Vec3,//I64 where 2^32 = 1 u/s
-	acceleration: glam::Vec3,//I64 where 2^32 = 1 u/s/s
-	time: TIME,//nanoseconds x xxxxD!
-}
-trait MyHash{
-	fn hash(&self) -> u64;
-}
-impl MyHash for Body {
-    fn hash(&self) -> u64 {
-		let mut hasher=std::collections::hash_map::DefaultHasher::new();
-        for &el in self.position.as_ref().iter() {
-            std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
-        }
-        for &el in self.velocity.as_ref().iter() {
-            std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
-        }
-        for &el in self.acceleration.as_ref().iter() {
-             std::hash::Hasher::write(&mut hasher, el.to_ne_bytes().as_slice());
-        }
-        std::hash::Hasher::write(&mut hasher, self.time.to_ne_bytes().as_slice());
-		return std::hash::Hasher::finish(&hasher);//hash check to see if walk target is valid
-    }
+	pub position: glam::Vec3,//I64 where 2^32 = 1 u
+	pub velocity: glam::Vec3,//I64 where 2^32 = 1 u/s
+	pub time: TIME,//nanoseconds x xxxxD!
 }
 
 pub enum MoveRestriction {
-	Air,
-	Water,
-	Ground,
-	Ladder,//multiple ladders how
-}
-
-enum MouseInterpolation {
-	First,//just checks the last value
-	Lerp,//lerps between
-}
-
-enum InputInstruction {
-	MoveMouse(glam::IVec2),
-	Jump(bool),
-}
-
-struct InputState {
-	controls: u32,
-	mouse_interpolation: MouseInterpolation,
-	time: TIME,
-}
-
-impl InputState {
-	pub fn get_control(&self,control:u32) -> bool {
-		self.controls&control!=0
-	}
-	pub fn process_instruction(&mut self,ins:InputInstruction){
-		match ins {
-			InputInstruction::MoveMouse(m) => todo!("set mouse_interpolation"),
-			InputInstruction::Jump(b) => todo!("how does info about style modifiers get here"),
-		}
-	}
-}
-
-pub struct MouseInterpolationState {
-	interpolation: MouseInterpolation,
-	time0: TIME,
-	time1: TIME,
-	mouse0: glam::IVec2,
-	mouse1: glam::IVec2,
-}
-
-impl MouseInterpolationState {
-	pub fn move_mouse(&mut self,time:TIME,pos:glam::IVec2){
-		self.time0=self.time1;
-		self.mouse0=self.mouse1;
-		self.time1=time;
-		self.mouse1=pos;
-	}
-	pub fn interpolated_position(&self,time:TIME) -> glam::IVec2 {
-		match self.interpolation {
-			MouseInterpolation::First => self.mouse0,
-			MouseInterpolation::Lerp => {
-				let m0=self.mouse0.as_i64vec2();
-				let m1=self.mouse1.as_i64vec2();
-				//these are deltas
-				let t1t=(self.time1-time) as i64;
-				let tt0=(time-self.time0) as i64;
-				let dt=(self.time1-self.time0) as i64;
-				((m0*t1t+m1*tt0)/dt).as_ivec2()
-			}
-		}
-	}
-}
-
-pub enum WalkEnum{
-	Reached,
-	Transient,
-	Invalid,
-}
-pub struct WalkState {
-	pub target_velocity: glam::Vec3,
-	pub target_time: TIME,
-	pub state: WalkEnum,
-}
-impl WalkState {
-	pub fn new() -> Self {
-		Self{
-			target_velocity:glam::Vec3::ZERO,
-			target_time:0,
-			state:WalkEnum::Invalid,
-		}
-	}
+    Air,
+    Water,
+    Ground,
+    Ladder,//multiple ladders how
 }
 
 pub struct PhysicsState {
 	pub body: Body,
-	pub hitbox_halfsize: glam::Vec3,
-	pub contacts: std::collections::HashSet::<RelativeCollision>,
-	//pub intersections: Vec<ModelId>,
-	//temp
+	pub contacts: Vec<RelativeCollision>,
 	pub models_cringe_clone: Vec<Model>,
-	pub temp_control_dir: glam::Vec3,
-	//camera must exist in state because wormholes modify the camera, also camera punch
-	//pub camera: Camera,
-	//pub mouse_interpolation: MouseInterpolationState,
 	pub time: TIME,
 	pub strafe_tick_num: TIME,
 	pub strafe_tick_den: TIME,
 	pub tick: u32,
 	pub mv: f32,
-	pub walk: WalkState,
 	pub walkspeed: f32,
 	pub friction: f32,
-	pub walk_accel:  f32,
 	pub gravity: glam::Vec3,
 	pub grounded: bool,
 	pub jump_trying: bool,
 }
 
-#[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)]
+#[derive(Clone,Copy)]
 pub enum AabbFace{
 	Right,//+X
 	Top,
@@ -179,16 +68,6 @@ impl Aabb {
 	// 	[0.0f32, 1., 0.],
 	// 	[0.0f32, -1., 0.],
 	// ];
-	const VERTEX_DATA: [glam::Vec3; 8] = [
-		glam::vec3(1., -1., -1.),
-		glam::vec3(1., 1., -1.),
-		glam::vec3(1., 1., 1.),
-		glam::vec3(1., -1., 1.),
-		glam::vec3(-1., -1., 1.),
-		glam::vec3(-1., 1., 1.),
-		glam::vec3(-1., 1., -1.),
-		glam::vec3(-1., -1., -1.),
-	];
 	const VERTEX_DATA_RIGHT: [glam::Vec3; 4] = [
 		glam::vec3(1., -1., -1.),
 		glam::vec3(1., 1., -1.),
@@ -245,10 +124,7 @@ impl Aabb {
 			AabbFace::Front => glam::vec3(0.,0.,-1.),
 		}
 	}
-	pub fn unit_vertices() -> [glam::Vec3;8] {
-		return Self::VERTEX_DATA;
-	}
-	pub fn unit_face_vertices(face:AabbFace) -> [glam::Vec3;4] {
+	pub fn face_vertices(face:AabbFace) -> [glam::Vec3;4] {
 		match face {
 			AabbFace::Right => Self::VERTEX_DATA_RIGHT,
 			AabbFace::Top => Self::VERTEX_DATA_TOP,
@@ -260,8 +136,7 @@ impl Aabb {
 	}
 }
 
-//pretend to be using what we want to eventually do
-type TreyMeshFace = AabbFace;
+type Face = AabbFace;
 type TreyMesh = Aabb;
 
 pub struct Model {
@@ -274,42 +149,25 @@ impl Model {
 	pub fn new(transform:glam::Mat4) -> Self {
 		Self{transform}
 	}
-	pub fn unit_vertices(&self) -> [glam::Vec3;8] {
-		Aabb::unit_vertices()
+	pub fn face_vertices(&self,face:Face) -> [glam::Vec3;4] {
+		Aabb::face_vertices(face)
 	}
-	pub fn mesh(&self) -> TreyMesh {
+	pub fn face_mesh(&self,face:Face) -> TreyMesh {
 		let mut aabb=Aabb::new();
-		for &vertex in self.unit_vertices().iter() {
-			aabb.grow(glam::Vec4Swizzles::xyz(self.transform*vertex.extend(1.0)));
+		for &vertex in self.face_vertices(face).iter() {
+			aabb.grow(vertex);
 		}
 		return aabb;
 	}
-	pub fn unit_face_vertices(&self,face:TreyMeshFace) -> [glam::Vec3;4] {
-		Aabb::unit_face_vertices(face)
-	}
-	pub fn face_mesh(&self,face:TreyMeshFace) -> TreyMesh {
-		let mut aabb=self.mesh();
-		//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 face_normal(&self,face:TreyMeshFace) -> glam::Vec3 {
-		glam::Vec4Swizzles::xyz(Aabb::normal(face).extend(0.0))//this is wrong for scale
+	pub fn face_normal(&self,face:Face) -> glam::Vec3 {
+		let mut n=glam::Vec3Swizzles::xyzz(Aabb::normal(face));
+		n.w=0.0;//what a man will do to avoid writing out the components
+		glam::Vec4Swizzles::xyz(self.transform*n)//this is wrong for scale
 	}
 }
 
-//need non-face (full model) variant for CanCollide false objects
-//OR have a separate list from contacts for model intersection
-#[derive(Debug,Clone,Eq,Hash,PartialEq)]
 pub struct RelativeCollision {
-	face: TreyMeshFace,//just an id
+	face: Face,//just an id
 	model: u32,//using id to avoid lifetimes
 }
 
@@ -324,65 +182,28 @@ impl RelativeCollision {
 
 pub type TIME = i64;
 
-impl Body {
-	pub fn with_pva(position:glam::Vec3,velocity:glam::Vec3,acceleration:glam::Vec3) -> Self {
-		Self{
-			position,
-			velocity,
-			acceleration,
-			time: 0,
-		}
-	}
-	pub fn extrapolated_position(&self,time: TIME)->glam::Vec3{
-		let dt=(time-self.time) as f64/1_000_000_000f64;
-		self.position+self.velocity*(dt as f32)+self.acceleration*((0.5*dt*dt) as f32)
-	}
-	pub fn extrapolated_velocity(&self,time: TIME)->glam::Vec3{
-		let dt=(time-self.time) as f64/1_000_000_000f64;
-		self.velocity+self.acceleration*(dt as f32)
-	}
-	pub fn advance_time(&mut self, time: TIME){
-		self.position=self.extrapolated_position(time);
-		self.velocity=self.extrapolated_velocity(time);
-		self.time=time;
-	}
-}
-
+const CONTROL_JUMP:u32 = 0b01000000;//temp DATA NORMALIZATION!@#$
 impl PhysicsState {
-	//tickless gaming
-	pub fn run(&mut self, time_limit:TIME){
+	//delete this, we are tickless gamers
+	pub fn run(&mut self, time: TIME){
 		//prepare is ommitted - everything is done via instructions.
-		while let Some(instruction) = self.next_instruction(time_limit) {//collect
+		while let Some(instruction) = self.next_instruction() {//collect
+			if time<instruction.time {
+				break;
+			}
 			//advance
-			//self.advance_time(instruction.time);
+			self.advance_time(instruction.time);
 			//process
 			self.process_instruction(instruction);
 			//write hash lol
 		}
+
 	}
 
-	pub fn advance_time(&mut self, time: TIME){
-		self.body.advance_time(time);
-		self.time=time;
-	}
-
-	fn contact_constrain_velocity(&self,velocity:&mut glam::Vec3){
-		for contact in self.contacts.iter() {
-			let n=contact.normal(&self.models_cringe_clone);
-			let d=velocity.dot(n);
-			if d<0f32{
-				(*velocity)-=d/n.length_squared()*n;
-			}
-		}
-	}
-	fn contact_constrain_acceleration(&self,acceleration:&mut glam::Vec3){
-		for contact in self.contacts.iter() {
-			let n=contact.normal(&self.models_cringe_clone);
-			let d=acceleration.dot(n);
-			if d<0f32{
-				(*acceleration)-=d/n.length_squared()*n;
-			}
-		}
+	//delete this
+	pub fn extrapolate_position(&self, time: TIME) -> glam::Vec3 {
+		let dt=(time-self.body.time) as f64/1_000_000_000f64;
+		self.body.position+self.body.velocity*(dt as f32)+self.gravity*((0.5*dt*dt) as f32)
 	}
 
 	fn next_strafe_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
@@ -425,316 +246,38 @@ impl PhysicsState {
 	// }
 
 	fn next_walk_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
-		//check if you have a valid walk state and create an instruction
-		if self.grounded{
-			match self.walk.state{
-				WalkEnum::Transient=>Some(TimedInstruction{
-					time:self.walk.target_time,
-					instruction:PhysicsInstruction::ReachWalkTargetVelocity
-				}),
-				WalkEnum::Invalid=>Some(TimedInstruction{
-					time:self.time,
-					instruction:PhysicsInstruction::RefreshWalkTarget,
-				}),
-				WalkEnum::Reached=>None,
-			}
-		}else{
-			return None;
-		}
+		//check if you are accelerating towards a walk target velocity and create an instruction
+		return None;
 	}
-	fn mesh(&self) -> TreyMesh {
-		let mut aabb=Aabb::new();
-		for vertex in Aabb::unit_vertices(){
-			aabb.grow(self.body.position+self.hitbox_halfsize*vertex);
-		}
-		aabb
-	}
-	fn predict_collision_end(&self,time:TIME,time_limit:TIME,collision_data:&RelativeCollision) -> Option<TimedInstruction<PhysicsInstruction>> {
+	fn predict_collision_end(&self,model:&Model) -> Option<TimedInstruction<PhysicsInstruction>> {
 		//must treat cancollide false objects differently: you may not exit through the same face you entered.
-		//RelativeCollsion must reference the full model instead of a particular face
-		//this is Ctrl+C Ctrl+V of predict_collision_start but with v=-v before the calc and t=-t after the calc
-		//find best t
-		let mut best_time=time_limit;
-		let mut exit_face:Option<TreyMeshFace>=None;
-		let mesh0=self.mesh();
-		let mesh1=self.models_cringe_clone.get(collision_data.model as usize).unwrap().mesh();
-		let (v,a)=(-self.body.velocity,self.body.acceleration);
-		//collect x
-		match collision_data.face {
-			AabbFace::Top|AabbFace::Back|AabbFace::Bottom|AabbFace::Front=>{
-				for t in zeroes2(mesh0.max.x-mesh1.min.x,v.x,0.5*a.x) {
-					//negative t = back in time
-					//must be moving towards surface to collide
-					//must beat the current soonest collision time
-					//must be moving towards surface
-					let t_time=self.body.time+((-t as f64)*1_000_000_000f64) as TIME;
-					if time<=t_time&&t_time<best_time&&0f32<v.x+a.x*-t{
-						//collect valid t
-						best_time=t_time;
-						exit_face=Some(TreyMeshFace::Left);
-						break;
-					}
-				}
-				for t in zeroes2(mesh0.min.x-mesh1.max.x,v.x,0.5*a.x) {
-					//negative t = back in time
-					//must be moving towards surface to collide
-					//must beat the current soonest collision time
-					//must be moving towards surface
-					let t_time=self.body.time+((-t as f64)*1_000_000_000f64) as TIME;
-					if time<=t_time&&t_time<best_time&&v.x+a.x*-t<0f32{
-						//collect valid t
-						best_time=t_time;
-						exit_face=Some(TreyMeshFace::Right);
-						break;
-					}
-				}
-			},
-			AabbFace::Left=>{
-				//generate event if v.x<0||a.x<0
-				if -v.x<0f32{
-					best_time=time;
-					exit_face=Some(TreyMeshFace::Left);
-				}
-			},
-			AabbFace::Right=>{
-				//generate event if 0<v.x||0<a.x
-				if 0f32<(-v.x){
-					best_time=time;
-					exit_face=Some(TreyMeshFace::Right);
-				}
-			},
-		}
-		//collect y
-		match collision_data.face {
-			AabbFace::Left|AabbFace::Back|AabbFace::Right|AabbFace::Front=>{
-				for t in zeroes2(mesh0.max.y-mesh1.min.y,v.y,0.5*a.y) {
-					//negative t = back in time
-					//must be moving towards surface to collide
-					//must beat the current soonest collision time
-					//must be moving towards surface
-					let t_time=self.body.time+((-t as f64)*1_000_000_000f64) as TIME;
-					if time<=t_time&&t_time<best_time&&0f32<v.y+a.y*-t{
-						//collect valid t
-						best_time=t_time;
-						exit_face=Some(TreyMeshFace::Bottom);
-						break;
-					}
-				}
-				for t in zeroes2(mesh0.min.y-mesh1.max.y,v.y,0.5*a.y) {
-					//negative t = back in time
-					//must be moving towards surface to collide
-					//must beat the current soonest collision time
-					//must be moving towards surface
-					let t_time=self.body.time+((-t as f64)*1_000_000_000f64) as TIME;
-					if time<=t_time&&t_time<best_time&&v.y+a.y*-t<0f32{
-						//collect valid t
-						best_time=t_time;
-						exit_face=Some(TreyMeshFace::Top);
-						break;
-					}
-				}
-			},
-			AabbFace::Bottom=>{
-				//generate event if v.y<0||a.y<0
-				if -v.y<0f32{
-					best_time=time;
-					exit_face=Some(TreyMeshFace::Bottom);
-				}
-			},
-			AabbFace::Top=>{
-				//generate event if 0<v.y||0<a.y
-				if 0f32<(-v.y){
-					best_time=time;
-					exit_face=Some(TreyMeshFace::Top);
-				}
-			},
-		}
-		//collect z
-		match collision_data.face {
-			AabbFace::Left|AabbFace::Bottom|AabbFace::Right|AabbFace::Top=>{
-				for t in zeroes2(mesh0.max.z-mesh1.min.z,v.z,0.5*a.z) {
-					//negative t = back in time
-					//must be moving towards surface to collide
-					//must beat the current soonest collision time
-					//must be moving towards surface
-					let t_time=self.body.time+((-t as f64)*1_000_000_000f64) as TIME;
-					if time<=t_time&&t_time<best_time&&0f32<v.z+a.z*-t{
-						//collect valid t
-						best_time=t_time;
-						exit_face=Some(TreyMeshFace::Front);
-						break;
-					}
-				}
-				for t in zeroes2(mesh0.min.z-mesh1.max.z,v.z,0.5*a.z) {
-					//negative t = back in time
-					//must be moving towards surface to collide
-					//must beat the current soonest collision time
-					//must be moving towards surface
-					let t_time=self.body.time+((-t as f64)*1_000_000_000f64) as TIME;
-					if time<=t_time&&t_time<best_time&&v.z+a.z*-t<0f32{
-						//collect valid t
-						best_time=t_time;
-						exit_face=Some(TreyMeshFace::Back);
-						break;
-					}
-				}
-			},
-			AabbFace::Front=>{
-				//generate event if v.z<0||a.z<0
-				if -v.z<0f32{
-					best_time=time;
-					exit_face=Some(TreyMeshFace::Front);
-				}
-			},
-			AabbFace::Back=>{
-				//generate event if 0<v.z||0<a.z
-				if 0f32<(-v.z){
-					best_time=time;
-					exit_face=Some(TreyMeshFace::Back);
-				}
-			},
-		}
-		//generate instruction
-		if let Some(face) = exit_face{
-			return Some(TimedInstruction {
-				time: best_time,
-				instruction: PhysicsInstruction::CollisionEnd(collision_data.clone())
-			})
-		}
 		None
 	}
-	fn predict_collision_start(&self,time:TIME,time_limit:TIME,model_id:u32) -> Option<TimedInstruction<PhysicsInstruction>> {
-		//find best t
-		let mut best_time=time_limit;
-		let mut best_face:Option<TreyMeshFace>=None;
-		let mesh0=self.mesh();
-		let mesh1=self.models_cringe_clone.get(model_id as usize).unwrap().mesh();
-		let (p,v,a)=(self.body.position,self.body.velocity,self.body.acceleration);
-		//collect x
-		for t in zeroes2(mesh0.max.x-mesh1.min.x,v.x,0.5*a.x) {
-			//must collide now or in the future
-			//must beat the current soonest collision time
-			//must be moving towards surface
-			let t_time=self.body.time+((t as f64)*1_000_000_000f64) as TIME;
-			if time<=t_time&&t_time<best_time&&0f32<v.x+a.x*t{
-				let dp=self.body.extrapolated_position(t_time)-p;
-				//faces must be overlapping
-				if mesh1.min.y<mesh0.max.y+dp.y&&mesh0.min.y+dp.y<mesh1.max.y&&mesh1.min.z<mesh0.max.z+dp.z&&mesh0.min.z+dp.z<mesh1.max.z {
-					//collect valid t
-					best_time=t_time;
-					best_face=Some(TreyMeshFace::Left);
-					break;
-				}
-			}
-		}
-		for t in zeroes2(mesh0.min.x-mesh1.max.x,v.x,0.5*a.x) {
-			//must collide now or in the future
-			//must beat the current soonest collision time
-			//must be moving towards surface
-			let t_time=self.body.time+((t as f64)*1_000_000_000f64) as TIME;
-			if time<=t_time&&t_time<best_time&&v.x+a.x*t<0f32{
-				let dp=self.body.extrapolated_position(t_time)-p;
-				//faces must be overlapping
-				if mesh1.min.y<mesh0.max.y+dp.y&&mesh0.min.y+dp.y<mesh1.max.y&&mesh1.min.z<mesh0.max.z+dp.z&&mesh0.min.z+dp.z<mesh1.max.z {
-					//collect valid t
-					best_time=t_time;
-					best_face=Some(TreyMeshFace::Right);
-					break;
-				}
-			}
-		}
-		//collect y
-		for t in zeroes2(mesh0.max.y-mesh1.min.y,v.y,0.5*a.y) {
-			//must collide now or in the future
-			//must beat the current soonest collision time
-			//must be moving towards surface
-			let t_time=self.body.time+((t as f64)*1_000_000_000f64) as TIME;
-			if time<=t_time&&t_time<best_time&&0f32<v.y+a.y*t{
-				let dp=self.body.extrapolated_position(t_time)-p;
-				//faces must be overlapping
-				if mesh1.min.x<mesh0.max.x+dp.x&&mesh0.min.x+dp.x<mesh1.max.x&&mesh1.min.z<mesh0.max.z+dp.z&&mesh0.min.z+dp.z<mesh1.max.z {
-					//collect valid t
-					best_time=t_time;
-					best_face=Some(TreyMeshFace::Bottom);
-					break;
-				}
-			}
-		}
-		for t in zeroes2(mesh0.min.y-mesh1.max.y,v.y,0.5*a.y) {
-			//must collide now or in the future
-			//must beat the current soonest collision time
-			//must be moving towards surface
-			let t_time=self.body.time+((t as f64)*1_000_000_000f64) as TIME;
-			if time<=t_time&&t_time<best_time&&v.y+a.y*t<0f32{
-				let dp=self.body.extrapolated_position(t_time)-p;
-				//faces must be overlapping
-				if mesh1.min.x<mesh0.max.x+dp.x&&mesh0.min.x+dp.x<mesh1.max.x&&mesh1.min.z<mesh0.max.z+dp.z&&mesh0.min.z+dp.z<mesh1.max.z {
-					//collect valid t
-					best_time=t_time;
-					best_face=Some(TreyMeshFace::Top);
-					break;
-				}
-			}
-		}
-		//collect z
-		for t in zeroes2(mesh0.max.z-mesh1.min.z,v.z,0.5*a.z) {
-			//must collide now or in the future
-			//must beat the current soonest collision time
-			//must be moving towards surface
-			let t_time=self.body.time+((t as f64)*1_000_000_000f64) as TIME;
-			if time<=t_time&&t_time<best_time&&0f32<v.z+a.z*t{
-				let dp=self.body.extrapolated_position(t_time)-p;
-				//faces must be overlapping
-				if mesh1.min.y<mesh0.max.y+dp.y&&mesh0.min.y+dp.y<mesh1.max.y&&mesh1.min.x<mesh0.max.x+dp.x&&mesh0.min.x+dp.x<mesh1.max.x {
-					//collect valid t
-					best_time=t_time;
-					best_face=Some(TreyMeshFace::Front);
-					break;
-				}
-			}
-		}
-		for t in zeroes2(mesh0.min.z-mesh1.max.z,v.z,0.5*a.z) {
-			//must collide now or in the future
-			//must beat the current soonest collision time
-			//must be moving towards surface
-			let t_time=self.body.time+((t as f64)*1_000_000_000f64) as TIME;
-			if time<=t_time&&t_time<best_time&&v.z+a.z*t<0f32{
-				let dp=self.body.extrapolated_position(t_time)-p;
-				//faces must be overlapping
-				if mesh1.min.y<mesh0.max.y+dp.y&&mesh0.min.y+dp.y<mesh1.max.y&&mesh1.min.x<mesh0.max.x+dp.x&&mesh0.min.x+dp.x<mesh1.max.x {
-					//collect valid t
-					best_time=t_time;
-					best_face=Some(TreyMeshFace::Back);
-					break;
-				}
-			}
-		}
-		//generate instruction
-		if let Some(face) = best_face{
-			return Some(TimedInstruction {
-				time: best_time,
-				instruction: PhysicsInstruction::CollisionStart(RelativeCollision {
-					face,
-					model: model_id
-				})
-			})
-		}
+	fn predict_collision_start(&self,model:&Model) -> Option<TimedInstruction<PhysicsInstruction>> {
 		None
 	}
 }
 
 impl crate::instruction::InstructionEmitter<PhysicsInstruction> for PhysicsState {
 	//this little next instruction function can cache its return value and invalidate the cached value by watching the State.
-	fn next_instruction(&self,time_limit:TIME) -> Option<TimedInstruction<PhysicsInstruction>> {
+	fn next_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
 		//JUST POLLING!!! NO MUTATION
-		let mut collector = crate::instruction::InstructionCollector::new(time_limit);
+		let mut collector = crate::instruction::InstructionCollector::new();
+		//autohop (already pressing spacebar; the signal to begin trying to jump is different)
+		if self.grounded&&self.jump_trying {
+			//scroll will be implemented with InputInstruction::Jump(true) but it blocks setting self.jump_trying=true
+			collector.collect(Some(TimedInstruction{
+				time:self.time,
+				instruction:PhysicsInstruction::Jump
+			}));
+		}
 		//check for collision stop instructions with curent contacts
 		for collision_data in self.contacts.iter() {
-			collector.collect(self.predict_collision_end(self.time,time_limit,collision_data));
+			collector.collect(self.predict_collision_end(self.models_cringe_clone.get(collision_data.model as usize).unwrap()));
 		}
 		//check for collision start instructions (against every part in the game with no optimization!!)
-		for i in 0..self.models_cringe_clone.len() {
-			collector.collect(self.predict_collision_start(self.time,time_limit,i as u32));
+		for model in &self.models_cringe_clone {
+			collector.collect(self.predict_collision_start(model));
 		}
 		if self.grounded {
 			//walk maintenance
@@ -749,109 +292,30 @@ impl crate::instruction::InstructionEmitter<PhysicsInstruction> for PhysicsState
 
 impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsState {
 	fn process_instruction(&mut self, ins:TimedInstruction<PhysicsInstruction>) {
-		match &ins.instruction {
-		    PhysicsInstruction::StrafeTick => (),
-		    _=>println!("{:?}",ins),
-		}
-		//selectively update body
-		match &ins.instruction {
-		    PhysicsInstruction::SetWalkTargetVelocity(_)
-		    |PhysicsInstruction::SetControlDir(_) => self.time=ins.time,//TODO: queue instructions
-		    PhysicsInstruction::RefreshWalkTarget
-		    |PhysicsInstruction::ReachWalkTargetVelocity
-		    |PhysicsInstruction::CollisionStart(_)
-		    |PhysicsInstruction::CollisionEnd(_)
-		    |PhysicsInstruction::StrafeTick
-		    |PhysicsInstruction::Jump => self.advance_time(ins.time),
-		}
+		//mutate position and velocity and time
+		self.body.advance_time(ins.time);//should this be in a separate function: self.advance_time?
 		match ins.instruction {
-			PhysicsInstruction::CollisionStart(c) => {
-				//check ground
-				match &c.face {
-			        AabbFace::Top => {
-			        	//ground
-			        	self.grounded=true;
-			        },
-			        _ => (),
-			    }
-			    self.contacts.insert(c);
-				//flatten v
-				let mut v=self.body.velocity;
-				self.contact_constrain_velocity(&mut v);
-				self.body.velocity=v;
-				self.walk.state=WalkEnum::Invalid;
-			},
-			PhysicsInstruction::CollisionEnd(c) => {
-			    self.contacts.remove(&c);//remove contact before calling contact_constrain_acceleration
-				let mut a=self.gravity;
-				self.contact_constrain_acceleration(&mut a);
-				self.body.acceleration=a;
-				self.walk.state=WalkEnum::Invalid;
-				//check ground
-				match &c.face {
-			        AabbFace::Top => {
-			        	self.grounded=false;
-			        },
-			        _ => (),
-			    }
-			},
-			PhysicsInstruction::SetControlDir(control_dir)=>{
-				self.temp_control_dir=control_dir;
-				self.walk.state=WalkEnum::Invalid;
-			},
-			PhysicsInstruction::StrafeTick => {
-				//let control_dir=self.get_control_dir();//this should respect your mouse interpolation settings
-				let d=self.body.velocity.dot(self.temp_control_dir);
-				if d<self.mv {
-					let mut v=self.body.velocity+(self.mv-d)*self.temp_control_dir;
-					self.contact_constrain_velocity(&mut v);
-					self.body.velocity=v;
-				}
-			}
-			PhysicsInstruction::Jump => {
+		    PhysicsInstruction::CollisionStart(_) => todo!(),
+		    PhysicsInstruction::CollisionEnd(_) => todo!(),
+		    PhysicsInstruction::StrafeTick => {
+		    	let control_dir=self.get_control_dir();//this respects your mouse interpolation settings
+    			let d=self.body.velocity.dot(control_dir);
+    			if d<self.mv {
+    				self.body.velocity+=(self.mv-d)*control_dir;
+    			}
+    		}
+		    PhysicsInstruction::Jump => {
 				self.grounded=false;//do I need this?
-				let mut v=self.body.velocity+glam::Vec3::new(0.0,0.715588/2.0*100.0,0.0);
-				self.contact_constrain_velocity(&mut v);
-				self.body.velocity=v;
-				self.walk.state=WalkEnum::Invalid;
-			},
-			PhysicsInstruction::ReachWalkTargetVelocity => {
-				//precisely set velocity
-				let mut a=glam::Vec3::ZERO;
-				self.contact_constrain_acceleration(&mut a);
-				self.body.acceleration=a;
-				let mut v=self.walk.target_velocity;
-				self.contact_constrain_velocity(&mut v);
-				self.body.velocity=v;
-				self.walk.state=WalkEnum::Reached;
-			},
-			PhysicsInstruction::RefreshWalkTarget => {
-				//calculate acceleration yada yada
-				if self.grounded{
-					let mut v=self.walk.target_velocity;
-					self.contact_constrain_velocity(&mut v);
-					let mut target_diff=v-self.body.velocity;
-					target_diff.y=0f32;
-					if target_diff==glam::Vec3::ZERO{
-						let mut a=glam::Vec3::ZERO;
-						self.contact_constrain_acceleration(&mut a);
-						self.body.acceleration=a;
-						self.walk.state=WalkEnum::Reached;
-					}else{
-						let accel=self.walk_accel.min(self.gravity.length()*self.friction);
-						let time_delta=target_diff.length()/accel;
-						let mut a=target_diff/time_delta;
-						self.contact_constrain_acceleration(&mut a);
-						self.body.acceleration=a;
-						self.walk.target_time=self.body.time+((time_delta as f64)*1_000_000_000f64) as TIME;
-						self.walk.state=WalkEnum::Transient;
-					}
-				}
-			},
-			PhysicsInstruction::SetWalkTargetVelocity(v) => {
-				self.walk.target_velocity=v;
-				self.walk.state=WalkEnum::Invalid;
-			},
+				self.body.velocity+=glam::Vec3::new(0.0,0.715588/2.0*100.0,0.0);
+			}
+		    PhysicsInstruction::ReachWalkTargetVelocity => {
+		    	//precisely set velocity
+				self.body.velocity=self.walk_target_velocity;
+			}
+    		PhysicsInstruction::SetWalkTargetVelocity(v) => {
+    			self.walk_target_velocity=v;
+    			//calculate acceleration yada yada
+    		},
 		}
 	}
 }

src/framework.rs

@@ -279,6 +279,11 @@ 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
@@ -359,6 +364,20 @@ fn start<E: Example>(
 				example.move_mouse(delta);
 			},
 			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,

src/instruction.rs

@@ -1,11 +1,10 @@
-#[derive(Debug)]
 pub struct TimedInstruction<I> {
 	pub time: crate::body::TIME,
 	pub instruction: I,
 }
 
 pub trait InstructionEmitter<I> {
-	fn next_instruction(&self, time_limit:crate::body::TIME) -> Option<TimedInstruction<I>>;
+	fn next_instruction(&self) -> Option<TimedInstruction<I>>;
 }
 pub trait InstructionConsumer<I> {
 	fn process_instruction(&mut self, instruction:TimedInstruction<I>);
@@ -13,36 +12,26 @@ pub trait InstructionConsumer<I> {
 
 //PROPER PRIVATE FIELDS!!!
 pub struct InstructionCollector<I> {
-	time: crate::body::TIME,
-	instruction: Option<I>,
+	instruction: Option<TimedInstruction<I>>,
 }
 impl<I> InstructionCollector<I> {
-	pub fn new(time:crate::body::TIME) -> Self {
-		Self{
-			time,
-			instruction:None
-		}
+	pub fn new() -> Self {
+		Self{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);
-				}
+		match &instruction {
+			Some(unwrap_instruction) => match &self.instruction {
+				Some(unwrap_best_instruction) => if unwrap_instruction.time<unwrap_best_instruction.time {
+					self.instruction=instruction;
+				},
+				None => self.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,
-		}
+		return self.instruction
 	}
 }

src/lib.rs

@@ -1,4 +1,4 @@
 pub mod framework;
 pub mod body;
-pub mod zeroes;
 pub mod instruction;
+pub mod timelines;

src/main.rs

@@ -19,13 +19,13 @@ struct Entity {
 
 //temp?
 struct ModelData {
-	transforms: Vec<glam::Mat4>,
+	transform: glam::Mat4,
 	vertex_buf: wgpu::Buffer,
 	entities: Vec<Entity>,
 }
 
 struct ModelGraphics {
-	transforms: Vec<glam::Mat4>,
+	transform: glam::Mat4,
 	vertex_buf: wgpu::Buffer,
 	entities: Vec<Entity>,
 	bind_group: wgpu::BindGroup,
@@ -113,29 +113,21 @@ impl Camera {
 	}
 }
 
-pub struct GraphicsBindGroups {
-	camera: wgpu::BindGroup,
-	skybox_texture: wgpu::BindGroup,
-}
-
-pub struct GraphicsPipelines {
-	skybox: wgpu::RenderPipeline,
-	model: wgpu::RenderPipeline,
-}
-
-pub struct GraphicsData {
+pub struct Skybox {
 	start_time: std::time::Instant,
 	camera: Camera,
 	physics: strafe_client::body::PhysicsState,
-	pipelines: GraphicsPipelines,
-	bind_groups: GraphicsBindGroups,
+	sky_pipeline: wgpu::RenderPipeline,
+	entity_pipeline: wgpu::RenderPipeline,
+	ground_pipeline: wgpu::RenderPipeline,
+	main_bind_group: wgpu::BindGroup,
 	camera_buf: wgpu::Buffer,
 	models: Vec<ModelGraphics>,
 	depth_view: wgpu::TextureView,
 	staging_belt: wgpu::util::StagingBelt,
 }
 
-impl GraphicsData {
+impl Skybox {
 	const DEPTH_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Depth24Plus;
 
 	fn create_depth_texture(
@@ -161,17 +153,14 @@ impl GraphicsData {
 	}
 }
 
-fn get_transform_uniform_data(transforms:&Vec<glam::Mat4>) -> Vec<f32> {
-	let mut raw = Vec::with_capacity(4*4*transforms.len());
-	for (i,t) in transforms.iter().enumerate(){
-    	let mut v = raw.split_off(4*4*i);
-    	raw.extend_from_slice(&AsRef::<[f32; 4*4]>::as_ref(t)[..]);
-    	raw.append(&mut v);
-	}
+fn get_transform_uniform_data(transform:&glam::Mat4) -> [f32; 4*4] {
+	let mut raw = [0f32; 4*4];
+	raw[0..16].copy_from_slice(&AsRef::<[f32; 4*4]>::as_ref(transform)[..]);
 	raw
 }
 
-fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,data:obj::ObjData){
+fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
+	let data = obj::ObjData::load_buf(&source[..]).unwrap();
 	let mut vertices = Vec::new();
 	let mut vertex_index = std::collections::HashMap::<obj::IndexTuple,u16>::new();
 	for object in data.objects {
@@ -183,7 +172,7 @@ fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,data:obj::ObjDat
 					for &index in &[0, end_index - 1, end_index] {
 						let vert = poly.0[index];
 						if let Some(&i)=vertex_index.get(&vert){
-							indices.push(i);
+							indices.push(i as u16);
 						}else{
 							let i=vertices.len() as u16;
 							vertices.push(Vertex {
@@ -213,14 +202,14 @@ fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,data:obj::ObjDat
 			usage: wgpu::BufferUsages::VERTEX,
 		});
 		modeldatas.push(ModelData {
-			transforms: vec![glam::Mat4::default()],
+			transform: glam::Mat4::default(),
 			vertex_buf,
 			entities,
 		})
 	}
 }
 
-impl strafe_client::framework::Example for GraphicsData {
+impl strafe_client::framework::Example for Skybox {
 	fn optional_features() -> wgpu::Features {
 		wgpu::Features::TEXTURE_COMPRESSION_ASTC
 			| wgpu::Features::TEXTURE_COMPRESSION_ETC2
@@ -234,40 +223,14 @@ impl strafe_client::framework::Example for GraphicsData {
 		queue: &wgpu::Queue,
 	) -> Self {
 		let mut modeldatas = Vec::<ModelData>::new();
-		let ground=obj::ObjData{
-			position: vec![[-1.0,0.0,-1.0],[1.0,0.0,-1.0],[1.0,0.0,1.0],[-1.0,0.0,1.0]],
-			texture: vec![[-10.0,-10.0],[10.0,-10.0],[10.0,10.0],[-10.0,10.0]],
-			normal: vec![[0.0,1.0,0.0]],
-			objects: vec![obj::Object{
-				name: "Ground Object".to_owned(),
-				groups: vec![obj::Group{
-					name: "Ground Group".to_owned(),
-					index: 0,
-					material: None,
-					polys: vec![obj::SimplePolygon(vec![
-						obj::IndexTuple(0,Some(0),Some(0)),
-						obj::IndexTuple(1,Some(1),Some(0)),
-						obj::IndexTuple(2,Some(2),Some(0)),
-						obj::IndexTuple(3,Some(3),Some(0)),
-					])]
-				}]
-			}],
-			material_libs: Vec::new(),
-		};
-		add_obj(device,& mut modeldatas,obj::ObjData::load_buf(&include_bytes!("../models/teslacyberv3.0.obj")[..]).unwrap());
-		add_obj(device,& mut modeldatas,obj::ObjData::load_buf(&include_bytes!("../models/suzanne.obj")[..]).unwrap());
-		add_obj(device,& mut modeldatas,obj::ObjData::load_buf(&include_bytes!("../models/teapot.obj")[..]).unwrap());
-		add_obj(device,& mut modeldatas,ground);
+		add_obj(device,& mut modeldatas,include_bytes!("../models/teslacyberv3.0.obj"));
+		add_obj(device,& mut modeldatas,include_bytes!("../models/suzanne.obj"));
+		add_obj(device,& mut modeldatas,include_bytes!("../models/teapot.obj"));
 		println!("models.len = {:?}", modeldatas.len());
-		modeldatas[0].transforms[0]=glam::Mat4::from_translation(glam::vec3(10.,0.,-10.));
-		modeldatas[1].transforms[0]=glam::Mat4::from_translation(glam::vec3(10.,5.,10.));
-		modeldatas[1].transforms.push(glam::Mat4::from_translation(glam::vec3(20.,5.,10.)));
-		modeldatas[1].transforms.push(glam::Mat4::from_translation(glam::vec3(10.,5.,20.)));
-		modeldatas[1].transforms.push(glam::Mat4::from_translation(glam::vec3(20.,5.,20.)));
-		modeldatas[2].transforms[0]=glam::Mat4::from_translation(glam::vec3(-10.,5.,10.));
-		modeldatas[3].transforms[0]=glam::Mat4::from_translation(glam::vec3(0.,0.,0.))*glam::Mat4::from_scale(glam::vec3(160.0, 1.0, 160.0));
+		modeldatas[1].transform=glam::Mat4::from_translation(glam::vec3(10.,5.,10.));
+		modeldatas[2].transform=glam::Mat4::from_translation(glam::vec3(-10.,5.,10.));
 
-		let camera_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
+		let main_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
 			label: None,
 			entries: &[
 				wgpu::BindGroupLayoutEntry {
@@ -280,13 +243,8 @@ impl strafe_client::framework::Example for GraphicsData {
 					},
 					count: None,
 				},
-			],
-		});
-		let skybox_texture_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
-			label: Some("Skybox Texture Bind Group Layout"),
-			entries: &[
 				wgpu::BindGroupLayoutEntry {
-					binding: 0,
+					binding: 1,
 					visibility: wgpu::ShaderStages::FRAGMENT,
 					ty: wgpu::BindingType::Texture {
 						sample_type: wgpu::TextureSampleType::Float { filterable: true },
@@ -295,37 +253,6 @@ impl strafe_client::framework::Example for GraphicsData {
 					},
 					count: None,
 				},
-				wgpu::BindGroupLayoutEntry {
-					binding: 1,
-					visibility: wgpu::ShaderStages::FRAGMENT,
-					ty: wgpu::BindingType::Sampler(wgpu::SamplerBindingType::Filtering),
-					count: None,
-				},
-			],
-		});
-		let model_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
-			label: Some("Model Bind Group Layout"),
-			entries: &[
-				wgpu::BindGroupLayoutEntry {
-					binding: 0,
-					visibility: wgpu::ShaderStages::VERTEX,
-					ty: wgpu::BindingType::Buffer {
-						ty: wgpu::BufferBindingType::Uniform,
-						has_dynamic_offset: false,
-						min_binding_size: None,
-					},
-					count: None,
-				},
-				wgpu::BindGroupLayoutEntry {
-					binding: 1,
-					visibility: wgpu::ShaderStages::FRAGMENT,
-					ty: wgpu::BindingType::Texture {
-						sample_type: wgpu::TextureSampleType::Float { filterable: true },
-						multisampled: false,
-						view_dimension: wgpu::TextureViewDimension::D2,
-					},
-					count: None,
-				},
 				wgpu::BindGroupLayoutEntry {
 					binding: 2,
 					visibility: wgpu::ShaderStages::FRAGMENT,
@@ -334,26 +261,20 @@ impl strafe_client::framework::Example for GraphicsData {
 				},
 			],
 		});
-
-		let clamp_sampler = device.create_sampler(&wgpu::SamplerDescriptor {
-			label: Some("Clamp Sampler"),
-			address_mode_u: wgpu::AddressMode::ClampToEdge,
-			address_mode_v: wgpu::AddressMode::ClampToEdge,
-			address_mode_w: wgpu::AddressMode::ClampToEdge,
-			mag_filter: wgpu::FilterMode::Linear,
-			min_filter: wgpu::FilterMode::Linear,
-			mipmap_filter: wgpu::FilterMode::Linear,
-			..Default::default()
-		});
-		let repeat_sampler = device.create_sampler(&wgpu::SamplerDescriptor {
-			label: Some("Repeat Sampler"),
-			address_mode_u: wgpu::AddressMode::Repeat,
-			address_mode_v: wgpu::AddressMode::Repeat,
-			address_mode_w: wgpu::AddressMode::Repeat,
-			mag_filter: wgpu::FilterMode::Linear,
-			min_filter: wgpu::FilterMode::Linear,
-			mipmap_filter: wgpu::FilterMode::Linear,
-			..Default::default()
+		let model_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
+			label: None,
+			entries: &[
+				wgpu::BindGroupLayoutEntry {
+					binding: 0,
+					visibility: wgpu::ShaderStages::VERTEX,
+					ty: wgpu::BindingType::Buffer {
+						ty: wgpu::BufferBindingType::Uniform,
+						has_dynamic_offset: false,
+						min_binding_size: None,
+					},
+					count: None,
+				},
+			],
 		});
 
 		// Create the render pipeline
@@ -364,152 +285,43 @@ impl strafe_client::framework::Example for GraphicsData {
 
 		let camera = Camera {
 			screen_size: (config.width, config.height),
-			offset: glam::Vec3::new(0.0,4.5-2.5,0.0),
+			offset: glam::Vec3::new(0.0,4.5,0.0),
 			fov: 1.0, //fov_slope = tan(fov_y/2)
 			pitch: 0.0,
 			yaw: 0.0,
 			controls:0,
 		};
 		let physics = strafe_client::body::PhysicsState {
-			body: strafe_client::body::Body::with_pva(glam::vec3(0.0,50.0,0.0),glam::vec3(0.0,0.0,0.0),glam::vec3(0.0,-100.0,0.0)),
+			body: strafe_client::body::Body {
+				position: glam::Vec3::new(5.0,0.0,5.0),
+				velocity: glam::Vec3::new(0.0,0.0,0.0),
+				time: 0,
+			},
 			time: 0,
 			tick: 0,
 			strafe_tick_num: 100,//100t
 			strafe_tick_den: 1_000_000_000,
-			gravity: glam::vec3(0.0,-100.0,0.0),
-			friction: 1.2,
-			walk_accel: 90.0,
+			gravity: glam::Vec3::new(0.0,-100.0,0.0),
+			friction: 90.0,
 			mv: 2.7,
-			grounded: false,
+			grounded: true,
 			jump_trying: false,
-			temp_control_dir: glam::Vec3::ZERO,
 			walkspeed: 18.0,
-			contacts: std::collections::HashSet::new(),
-    		models_cringe_clone: modeldatas.iter().map(|m|m.transforms.iter().map(|t|strafe_client::body::Model::new(*t))).flatten().collect(),
-    		walk: strafe_client::body::WalkState::new(),
-    		hitbox_halfsize: glam::vec3(1.0,2.5,1.0),
+			contacts: Vec::<strafe_client::body::RelativeCollision>::new(),
+    		models_cringe_clone: modeldatas.iter().map(|m|strafe_client::body::Model::new(m.transform)).collect(),
 		};
 
-		//load textures
-		let device_features = device.features();
-
-		let skybox_texture_view={
-			let skybox_format = if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_ASTC) {
-				log::info!("Using ASTC");
-				wgpu::TextureFormat::Astc {
-					block: AstcBlock::B4x4,
-					channel: AstcChannel::UnormSrgb,
-				}
-			} else if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_ETC2) {
-				log::info!("Using ETC2");
-				wgpu::TextureFormat::Etc2Rgb8UnormSrgb
-			} else if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_BC) {
-				log::info!("Using BC");
-				wgpu::TextureFormat::Bc1RgbaUnormSrgb
-			} else {
-				log::info!("Using plain");
-				wgpu::TextureFormat::Bgra8UnormSrgb
-			};
-
-			let size = wgpu::Extent3d {
-				width: IMAGE_SIZE,
-				height: IMAGE_SIZE,
-				depth_or_array_layers: 6,
-			};
-
-			let layer_size = wgpu::Extent3d {
-				depth_or_array_layers: 1,
-				..size
-			};
-			let max_mips = layer_size.max_mips(wgpu::TextureDimension::D2);
-
-			log::debug!(
-				"Copying {:?} skybox images of size {}, {}, 6 with {} mips to gpu",
-				skybox_format,
-				IMAGE_SIZE,
-				IMAGE_SIZE,
-				max_mips,
-			);
-
-			let bytes = match skybox_format {
-				wgpu::TextureFormat::Astc {
-					block: AstcBlock::B4x4,
-					channel: AstcChannel::UnormSrgb,
-				} => &include_bytes!("../images/astc.dds")[..],
-				wgpu::TextureFormat::Etc2Rgb8UnormSrgb => &include_bytes!("../images/etc2.dds")[..],
-				wgpu::TextureFormat::Bc1RgbaUnormSrgb => &include_bytes!("../images/bc1.dds")[..],
-				wgpu::TextureFormat::Bgra8UnormSrgb => &include_bytes!("../images/bgra.dds")[..],
-				_ => unreachable!(),
-			};
-
-			let skybox_image = ddsfile::Dds::read(&mut std::io::Cursor::new(&bytes)).unwrap();
-
-			let skybox_texture = device.create_texture_with_data(
-				queue,
-				&wgpu::TextureDescriptor {
-					size,
-					mip_level_count: max_mips,
-					sample_count: 1,
-					dimension: wgpu::TextureDimension::D2,
-					format: skybox_format,
-					usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
-					label: Some("Skybox Texture"),
-					view_formats: &[],
-				},
-				&skybox_image.data,
-			);
-
-			skybox_texture.create_view(&wgpu::TextureViewDescriptor {
-				label: Some("Skybox Texture View"),
-				dimension: Some(wgpu::TextureViewDimension::Cube),
-				..wgpu::TextureViewDescriptor::default()
-			})
-		};
-
-		//squid
-		let squid_texture_view={
-			let size = wgpu::Extent3d {
-				width: 1076,
-				height: 1076,
-				depth_or_array_layers: 1,
-			};
-
-			let layer_size = wgpu::Extent3d {
-				depth_or_array_layers: 1,
-				..size
-			};
-			let max_mips = layer_size.max_mips(wgpu::TextureDimension::D2);
-
-			let bytes = &include_bytes!("../images/squid.dds")[..];
-
-			let image = ddsfile::Dds::read(&mut std::io::Cursor::new(&bytes)).unwrap();
-
-			let texture = device.create_texture_with_data(
-				queue,
-				&wgpu::TextureDescriptor {
-					size,
-					mip_level_count: max_mips,
-					sample_count: 1,
-					dimension: wgpu::TextureDimension::D2,
-					format: wgpu::TextureFormat::Bc7RgbaUnorm,
-					usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
-					label: Some("Squid Texture"),
-					view_formats: &[],
-				},
-				&image.data,
-			);
-
-			texture.create_view(&wgpu::TextureViewDescriptor {
-				label: Some("Squid Texture View"),
-				dimension: Some(wgpu::TextureViewDimension::D2),
-				..wgpu::TextureViewDescriptor::default()
-			})
-		};
+		let camera_uniforms = camera.to_uniform_data(physics.extrapolate_position(0));
+		let camera_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
+			label: Some("Camera"),
+			contents: bytemuck::cast_slice(&camera_uniforms),
+			usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
+		});
 
 		//drain the modeldata vec so entities can be /moved/ to models.entities
 		let mut models = Vec::<ModelGraphics>::with_capacity(modeldatas.len());
 		for (i,modeldata) in modeldatas.drain(..).enumerate() {
-			let model_uniforms = get_transform_uniform_data(&modeldata.transforms);
+			let model_uniforms = get_transform_uniform_data(&modeldata.transform);
 			let model_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
 				label: Some(format!("ModelGraphics{}",i).as_str()),
 				contents: bytemuck::cast_slice(&model_uniforms),
@@ -522,20 +334,12 @@ impl strafe_client::framework::Example for GraphicsData {
 						binding: 0,
 						resource: model_buf.as_entire_binding(),
 					},
-					wgpu::BindGroupEntry {
-						binding: 1,
-						resource: wgpu::BindingResource::TextureView(&squid_texture_view),
-					},
-					wgpu::BindGroupEntry {
-						binding: 2,
-						resource: wgpu::BindingResource::Sampler(&repeat_sampler),
-					},
 				],
 				label: Some(format!("ModelGraphics{}",i).as_str()),
 			});
 			//all of these are being moved here
 			models.push(ModelGraphics{
-				transforms: modeldata.transforms,
+				transform: modeldata.transform,
 				vertex_buf:modeldata.vertex_buf,
 				entities: modeldata.entities,
 				bind_group: model_bind_group,
@@ -545,17 +349,13 @@ impl strafe_client::framework::Example for GraphicsData {
 
 		let pipeline_layout = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
 			label: None,
-			bind_group_layouts: &[
-				&camera_bind_group_layout,
-				&model_bind_group_layout,
-				&skybox_texture_bind_group_layout,
-			],
+			bind_group_layouts: &[&main_bind_group_layout, &model_bind_group_layout],
 			push_constant_ranges: &[],
 		});
 
 		// Create the render pipelines
 		let sky_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
-			label: Some("Sky Pipeline"),
+			label: Some("Sky"),
 			layout: Some(&pipeline_layout),
 			vertex: wgpu::VertexState {
 				module: &shader,
@@ -581,12 +381,12 @@ impl strafe_client::framework::Example for GraphicsData {
 			multisample: wgpu::MultisampleState::default(),
 			multiview: None,
 		});
-		let model_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
-			label: Some("Model Pipeline"),
+		let entity_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
+			label: Some("Entity"),
 			layout: Some(&pipeline_layout),
 			vertex: wgpu::VertexState {
 				module: &shader,
-				entry_point: "vs_entity_texture",
+				entry_point: "vs_entity",
 				buffers: &[wgpu::VertexBufferLayout {
 					array_stride: std::mem::size_of::<Vertex>() as wgpu::BufferAddress,
 					step_mode: wgpu::VertexStepMode::Vertex,
@@ -595,7 +395,34 @@ impl strafe_client::framework::Example for GraphicsData {
 			},
 			fragment: Some(wgpu::FragmentState {
 				module: &shader,
-				entry_point: "fs_entity_texture",
+				entry_point: "fs_entity",
+				targets: &[Some(config.view_formats[0].into())],
+			}),
+			primitive: wgpu::PrimitiveState {
+				front_face: wgpu::FrontFace::Cw,
+				..Default::default()
+			},
+			depth_stencil: Some(wgpu::DepthStencilState {
+				format: Self::DEPTH_FORMAT,
+				depth_write_enabled: true,
+				depth_compare: wgpu::CompareFunction::LessEqual,
+				stencil: wgpu::StencilState::default(),
+				bias: wgpu::DepthBiasState::default(),
+			}),
+			multisample: wgpu::MultisampleState::default(),
+			multiview: None,
+		});
+		let ground_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
+			label: Some("Ground"),
+			layout: Some(&pipeline_layout),
+			vertex: wgpu::VertexState {
+				module: &shader,
+				entry_point: "vs_ground",
+				buffers: &[],
+			},
+			fragment: Some(wgpu::FragmentState {
+				module: &shader,
+				entry_point: "fs_ground",
 				targets: &[Some(config.view_formats[0].into())],
 			}),
 			primitive: wgpu::PrimitiveState {
@@ -613,51 +440,118 @@ impl strafe_client::framework::Example for GraphicsData {
 			multiview: None,
 		});
 
-		let camera_uniforms = camera.to_uniform_data(physics.body.extrapolated_position(0));
-		let camera_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
-			label: Some("Camera"),
-			contents: bytemuck::cast_slice(&camera_uniforms),
-			usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
+		let sampler = device.create_sampler(&wgpu::SamplerDescriptor {
+			label: None,
+			address_mode_u: wgpu::AddressMode::ClampToEdge,
+			address_mode_v: wgpu::AddressMode::ClampToEdge,
+			address_mode_w: wgpu::AddressMode::ClampToEdge,
+			mag_filter: wgpu::FilterMode::Linear,
+			min_filter: wgpu::FilterMode::Linear,
+			mipmap_filter: wgpu::FilterMode::Linear,
+			..Default::default()
 		});
-		let camera_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
-			layout: &camera_bind_group_layout,
+
+		let device_features = device.features();
+
+		let skybox_format = if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_ASTC) {
+			log::info!("Using ASTC");
+			wgpu::TextureFormat::Astc {
+				block: AstcBlock::B4x4,
+				channel: AstcChannel::UnormSrgb,
+			}
+		} else if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_ETC2) {
+			log::info!("Using ETC2");
+			wgpu::TextureFormat::Etc2Rgb8UnormSrgb
+		} else if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_BC) {
+			log::info!("Using BC");
+			wgpu::TextureFormat::Bc1RgbaUnormSrgb
+		} else {
+			log::info!("Using plain");
+			wgpu::TextureFormat::Bgra8UnormSrgb
+		};
+
+		let size = wgpu::Extent3d {
+			width: IMAGE_SIZE,
+			height: IMAGE_SIZE,
+			depth_or_array_layers: 6,
+		};
+
+		let layer_size = wgpu::Extent3d {
+			depth_or_array_layers: 1,
+			..size
+		};
+		let max_mips = layer_size.max_mips(wgpu::TextureDimension::D2);
+
+		log::debug!(
+			"Copying {:?} skybox images of size {}, {}, 6 with {} mips to gpu",
+			skybox_format,
+			IMAGE_SIZE,
+			IMAGE_SIZE,
+			max_mips,
+		);
+
+		let bytes = match skybox_format {
+			wgpu::TextureFormat::Astc {
+				block: AstcBlock::B4x4,
+				channel: AstcChannel::UnormSrgb,
+			} => &include_bytes!("../images/astc.dds")[..],
+			wgpu::TextureFormat::Etc2Rgb8UnormSrgb => &include_bytes!("../images/etc2.dds")[..],
+			wgpu::TextureFormat::Bc1RgbaUnormSrgb => &include_bytes!("../images/bc1.dds")[..],
+			wgpu::TextureFormat::Bgra8UnormSrgb => &include_bytes!("../images/bgra.dds")[..],
+			_ => unreachable!(),
+		};
+
+		let image = ddsfile::Dds::read(&mut std::io::Cursor::new(&bytes)).unwrap();
+
+		let texture = device.create_texture_with_data(
+			queue,
+			&wgpu::TextureDescriptor {
+				size,
+				mip_level_count: max_mips,
+				sample_count: 1,
+				dimension: wgpu::TextureDimension::D2,
+				format: skybox_format,
+				usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
+				label: None,
+				view_formats: &[],
+			},
+			&image.data,
+		);
+
+		let texture_view = texture.create_view(&wgpu::TextureViewDescriptor {
+			label: None,
+			dimension: Some(wgpu::TextureViewDimension::Cube),
+			..wgpu::TextureViewDescriptor::default()
+		});
+		let main_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
+			layout: &main_bind_group_layout,
 			entries: &[
 				wgpu::BindGroupEntry {
 					binding: 0,
 					resource: camera_buf.as_entire_binding(),
 				},
-			],
-			label: Some("Camera"),
-		});
-		let skybox_texture_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
-			layout: &skybox_texture_bind_group_layout,
-			entries: &[
-				wgpu::BindGroupEntry {
-					binding: 0,
-					resource: wgpu::BindingResource::TextureView(&skybox_texture_view),
-				},
 				wgpu::BindGroupEntry {
 					binding: 1,
-					resource: wgpu::BindingResource::Sampler(&clamp_sampler),
+					resource: wgpu::BindingResource::TextureView(&texture_view),
+				},
+				wgpu::BindGroupEntry {
+					binding: 2,
+					resource: wgpu::BindingResource::Sampler(&sampler),
 				},
 			],
-			label: Some("Sky Texture"),
+			label: Some("Camera"),
 		});
 
 		let depth_view = Self::create_depth_texture(config, device);
 
-		GraphicsData {
+		Skybox {
 			start_time: Instant::now(),
 			camera,
 			physics,
-			pipelines:GraphicsPipelines{
-				skybox:sky_pipeline,
-				model:model_pipeline
-			},
-			bind_groups:GraphicsBindGroups{
-				camera:camera_bind_group,
-				skybox_texture:skybox_texture_bind_group,
-			},
+			sky_pipeline,
+			entity_pipeline,
+			ground_pipeline,
+			main_bind_group,
 			camera_buf,
 			models,
 			depth_view,
@@ -739,45 +633,18 @@ impl strafe_client::framework::Example for GraphicsData {
 		queue: &wgpu::Queue,
 		_spawner: &strafe_client::framework::Spawner,
 	) {
-		let camera_mat=glam::Mat3::from_rotation_y(self.camera.yaw);
+		let camera_mat=glam::Mat3::from_euler(glam::EulerRot::YXZ,self.camera.yaw,0f32,0f32);
 		let control_dir=camera_mat*get_control_dir(self.camera.controls&(CONTROL_MOVELEFT|CONTROL_MOVERIGHT|CONTROL_MOVEFORWARD|CONTROL_MOVEBACK)).normalize_or_zero();
 
 		let time=self.start_time.elapsed().as_nanos() as i64;
 
-		self.physics.run(time);
-
-		//ALL OF THIS IS TOTALLY WRONG!!!
-		let walk_target_velocity=self.physics.walkspeed*control_dir;
-		//autohop (already pressing spacebar; the signal to begin trying to jump is different)
-		if self.physics.grounded&&walk_target_velocity!=self.physics.walk.target_velocity {
-			strafe_client::instruction::InstructionConsumer::process_instruction(&mut self.physics, strafe_client::instruction::TimedInstruction{
-				time,
-				instruction:strafe_client::body::PhysicsInstruction::SetWalkTargetVelocity(walk_target_velocity)
-			});
-		}
-
-		if control_dir!=self.physics.temp_control_dir {
-			strafe_client::instruction::InstructionConsumer::process_instruction(&mut self.physics, strafe_client::instruction::TimedInstruction{
-				time,
-				instruction:strafe_client::body::PhysicsInstruction::SetControlDir(control_dir)
-			});
-		}
-
-		self.physics.jump_trying=self.camera.controls&CONTROL_JUMP!=0;
-		//autohop (already pressing spacebar; the signal to begin trying to jump is different)
-		if self.physics.grounded&&self.physics.jump_trying {
-			//scroll will be implemented with InputInstruction::Jump(true) but it blocks setting self.jump_trying=true
-			strafe_client::instruction::InstructionConsumer::process_instruction(&mut self.physics, strafe_client::instruction::TimedInstruction{
-				time,
-				instruction:strafe_client::body::PhysicsInstruction::Jump
-			});
-		}
+		self.physics.run(time,control_dir,self.camera.controls);
 
 		let mut encoder =
 			device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
 
 		// update rotation
-		let camera_uniforms = self.camera.to_uniform_data(self.physics.body.extrapolated_position(time));
+		let camera_uniforms = self.camera.to_uniform_data(self.physics.extrapolate_position(time));
 		self.staging_belt
 			.write_buffer(
 				&mut encoder,
@@ -789,7 +656,7 @@ impl strafe_client::framework::Example for GraphicsData {
 			.copy_from_slice(bytemuck::cast_slice(&camera_uniforms));
 		//This code only needs to run when the uniforms change
 		for model in self.models.iter() {
-			let model_uniforms = get_transform_uniform_data(&model.transforms);
+			let model_uniforms = get_transform_uniform_data(&model.transform);
 			self.staging_belt
 				.write_buffer(
 					&mut encoder,
@@ -828,21 +695,25 @@ impl strafe_client::framework::Example for GraphicsData {
 				}),
 			});
 
-			rpass.set_bind_group(0, &self.bind_groups.camera, &[]);
-			rpass.set_bind_group(2, &self.bind_groups.skybox_texture, &[]);
+			rpass.set_bind_group(0, &self.main_bind_group, &[]);
 
-			rpass.set_pipeline(&self.pipelines.model);
+			rpass.set_pipeline(&self.entity_pipeline);
 			for model in self.models.iter() {
 				rpass.set_bind_group(1, &model.bind_group, &[]);
 				rpass.set_vertex_buffer(0, model.vertex_buf.slice(..));
 
 				for entity in model.entities.iter() {
 					rpass.set_index_buffer(entity.index_buf.slice(..), wgpu::IndexFormat::Uint16);
-					rpass.draw_indexed(0..entity.index_count, 0, 0..model.transforms.len() as u32);
+					rpass.draw_indexed(0..entity.index_count, 0, 0..1);
 				}
 			}
 
-			rpass.set_pipeline(&self.pipelines.skybox);
+			rpass.set_pipeline(&self.ground_pipeline);
+			//rpass.set_index_buffer(&[0u16,1,2,1,2,3][..] as wgpu::BufferSlice, wgpu::IndexFormat::Uint16);
+			//rpass.draw_indexed(0..4, 0, 0..1);
+			rpass.draw(0..6, 0..1);
+
+			rpass.set_pipeline(&self.sky_pipeline);
 			rpass.draw(0..3, 0..1);
 		}
 
@@ -853,7 +724,7 @@ impl strafe_client::framework::Example for GraphicsData {
 }
 
 fn main() {
-	strafe_client::framework::run::<GraphicsData>(
+	strafe_client::framework::run::<Skybox>(
 		format!("Strafe Client v{}",
 			env!("CARGO_PKG_VERSION")
 		).as_str()

src/shader.wgsl

@@ -1,4 +1,9 @@
-struct Camera {
+struct SkyOutput {
+	@builtin(position) position: vec4<f32>,
+	@location(0) sampledir: vec3<f32>,
+};
+
+struct Data {
 	// from camera to screen
 	proj: mat4x4<f32>,
 	// from screen to camera
@@ -8,16 +13,9 @@ struct Camera {
 	// camera position
 	cam_pos: vec4<f32>,
 };
-
-//group 0 is the camera
 @group(0)
 @binding(0)
-var<uniform> camera: Camera;
-
-struct SkyOutput {
-	@builtin(position) position: vec4<f32>,
-	@location(0) sampledir: vec3<f32>,
-};
+var<uniform> r_data: Data;
 
 @vertex
 fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
@@ -32,8 +30,8 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	);
 
 	// transposition = inversion for this orthonormal matrix
-	let inv_model_view = transpose(mat3x3<f32>(camera.view[0].xyz, camera.view[1].xyz, camera.view[2].xyz));
-	let unprojected = camera.proj_inv * pos;
+	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;
 
 	var result: SkyOutput;
 	result.sampledir = inv_model_view * unprojected.xyz;
@@ -41,65 +39,93 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	return result;
 }
 
-const MAX_ENTITY_INSTANCES=1024;
-//group 1 is the model
-@group(1)
-@binding(0)
-var<uniform> entity_transforms: array<mat4x4<f32>,MAX_ENTITY_INSTANCES>;
-//var<uniform> entity_texture_transforms: array<mat3x3<f32>,MAX_ENTITY_INSTANCES>;
-//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
-//how to do no texture?
-@group(1)
-@binding(1)
-var model_texture: texture_2d<f32>;
-@group(1)
-@binding(2)
-var model_sampler: sampler;
+struct GroundOutput {
+	@builtin(position) position: vec4<f32>,
+	@location(4) pos: vec3<f32>,
+};
 
-struct EntityOutputTexture {
+@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 EntityOutput {
 	@builtin(position) position: vec4<f32>,
 	@location(1) texture: vec2<f32>,
 	@location(2) normal: vec3<f32>,
 	@location(3) view: vec3<f32>,
 };
+
+@group(1)
+@binding(0)
+var<uniform> r_EntityTransform: mat4x4<f32>;
+
 @vertex
-fn vs_entity_texture(
-	@builtin(instance_index) instance: u32,
+fn vs_entity(
 	@location(0) pos: vec3<f32>,
 	@location(1) texture: vec2<f32>,
 	@location(2) normal: vec3<f32>,
-) -> EntityOutputTexture {
-	var position: vec4<f32> = entity_transforms[instance] * vec4<f32>(pos, 1.0);
-	var result: EntityOutputTexture;
-	result.normal = (entity_transforms[instance] * vec4<f32>(normal, 0.0)).xyz;
-	result.texture=texture;//(entity_texture_transforms[instance] * vec3<f32>(texture, 1.0)).xy;
-	result.view = position.xyz - camera.cam_pos.xyz;
-	result.position = camera.proj * camera.view * position;
+) -> 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;
 	return result;
 }
 
-//group 2 is the skybox texture
-@group(2)
-@binding(0)
-var cube_texture: texture_cube<f32>;
-@group(2)
+@group(0)
 @binding(1)
-var cube_sampler: sampler;
+var r_texture: texture_cube<f32>;
+@group(0)
+@binding(2)
+var r_sampler: sampler;
 
 @fragment
 fn fs_sky(vertex: SkyOutput) -> @location(0) vec4<f32> {
-	return textureSample(cube_texture, model_sampler, vertex.sampledir);
+	return textureSample(r_texture, r_sampler, vertex.sampledir);
 }
 
 @fragment
-fn fs_entity_texture(vertex: EntityOutputTexture) -> @location(0) vec4<f32> {
+fn fs_entity(vertex: EntityOutput) -> @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 fragment_color = textureSample(model_texture, model_sampler, vertex.texture).rgb;
-	let reflected_color = textureSample(cube_texture, cube_sampler, reflected).rgb;
-	return vec4<f32>(mix(vec3<f32>(0.1) + 0.5 * reflected_color,fragment_color,1.0-pow(1.0-abs(d),2.0)), 1.0);
+	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);
 }

src/timelines.rs

@@ -0,0 +1,47 @@
+type ORDER = u32;
+
+pub struct Tracker {
+	order: ORDER,
+}
+
+pub struct TimelineInstruction<I>{
+	pub order: ORDER,//absolute ordering of instructions which can be used for sorting even when there are multiple simultaneous timestamps
+	pub instruction: crate::instruction::TimedInstruction<I>,
+}
+
+pub struct Timeline<I>{
+	instructions: std::collections::VecDeque<TimelineInstruction<I>>,
+	trackers: Vec<Tracker>,//wrong
+}
+
+impl<I> Timeline<I>{
+	pub fn new() -> Self {
+		Self{
+			instructions:std::collections::VecDeque::<TimelineInstruction<I>>::new(),
+			trackers:Vec::<Tracker>::new(),
+		}
+	}
+
+	pub fn len(&self) -> usize {
+		return self.instructions.len()
+	}
+	pub fn first(&self) -> Option<&TimelineInstruction<I>> {
+		return self.instructions.get(0)
+	}
+	pub fn last(&self) -> Option<&TimelineInstruction<I>> {
+		return self.instructions.get(self.instructions.len()-1)
+	}
+	pub fn append(&mut self,instruction:TimelineInstruction<I>){
+		let i=self.instructions.len();
+		self.instructions.push_back(instruction);
+		for tracker in self.trackers.iter() {
+			tracker.set_active(true);
+		}
+	}
+	pub fn get_index_after_time(&mut self,time:crate::body::TIME) -> usize{
+		self.instructions.partition_point(|ins|ins.instruction.time<time)
+	}
+	pub fn get_index_after_order(&mut self,order:ORDER) -> usize{
+		self.instructions.partition_point(|ins|ins.order<order)
+	}
+}

src/zeroes.rs

@@ -1,27 +0,0 @@
-//find roots of polynomials
-pub fn zeroes2(a0:f32,a1:f32,a2:f32) -> Vec<f32>{
-	if a2==0f32{
-		return zeroes1(a0, a1);
-	}
-	let mut radicand=a1*a1-4f32*a2*a0;
-	if 0f32<radicand {
-		radicand=radicand.sqrt();
-		if 0f32<a2 {
-			return vec![(-a1-radicand)/(2f32*a2),(-a1+radicand)/(2f32*a2)];
-		} else {
-			return vec![(-a1+radicand)/(2f32*a2),(-a1-radicand)/(2f32*a2)];
-		}
-	} else if radicand==0f32 {
-		return vec![-a1/(2f32*a2)];
-	} else {
-		return vec![];
-	}
-}
-#[inline]
-pub fn zeroes1(a0:f32,a1:f32) -> Vec<f32> {
-	if a1==0f32{
-		return vec![];
-	} else {
-		return vec![-a0/a1];
-	}
-}