scope skybox

Cargo.lock

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

Cargo.toml

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

src/body.rs

@@ -0,0 +1,857 @@
+use crate::{instruction::{InstructionEmitter, InstructionConsumer, TimedInstruction}, zeroes::zeroes2};
+
+#[derive(Debug)]
+pub enum PhysicsInstruction {
+	CollisionStart(RelativeCollision),
+	CollisionEnd(RelativeCollision),
+	SetControlDir(glam::Vec3),
+	StrafeTick,
+	Jump,
+	SetWalkTargetVelocity(glam::Vec3),
+	RefreshWalkTarget,
+	ReachWalkTargetVelocity,
+	// Water,
+	// Spawn(
+	// 	Option<SpawnId>,
+	// 	bool,//true = Trigger; false = teleport
+	// 	bool,//true = Force
+	// )
+}
+
+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 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,
+		}
+	}
+}
+
+pub struct PhysicsState {
+	pub body: Body,
+	pub hitbox_halfsize: glam::Vec3,
+	pub contacts: std::collections::HashSet::<RelativeCollision>,
+	//pub intersections: Vec<ModelId>,
+	//temp
+	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)]
+pub enum AabbFace{
+	Right,//+X
+	Top,
+	Back,
+	Left,
+	Bottom,
+	Front,
+}
+
+pub struct Aabb {
+	min: glam::Vec3,
+	max: glam::Vec3,
+}
+
+impl Aabb {
+	// const FACE_DATA: [[f32; 3]; 6] = [
+	// 	[0.0f32, 0., 1.],
+	// 	[0.0f32, 0., -1.],
+	// 	[1.0f32, 0., 0.],
+	// 	[-1.0f32, 0., 0.],
+	// 	[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.),
+		glam::vec3(1., 1., 1.),
+		glam::vec3(1., -1., 1.),
+	];
+	const VERTEX_DATA_TOP: [glam::Vec3; 4] = [
+		glam::vec3(1., 1., -1.),
+		glam::vec3(-1., 1., -1.),
+		glam::vec3(-1., 1., 1.),
+		glam::vec3(1., 1., 1.),
+	];
+	const VERTEX_DATA_BACK: [glam::Vec3; 4] = [
+		glam::vec3(-1., -1., 1.),
+		glam::vec3(1., -1., 1.),
+		glam::vec3(1., 1., 1.),
+		glam::vec3(-1., 1., 1.),
+	];
+	const VERTEX_DATA_LEFT: [glam::Vec3; 4] = [
+		glam::vec3(-1., -1., 1.),
+		glam::vec3(-1., 1., 1.),
+		glam::vec3(-1., 1., -1.),
+		glam::vec3(-1., -1., -1.),
+	];
+	const VERTEX_DATA_BOTTOM: [glam::Vec3; 4] = [
+		glam::vec3(1., -1., 1.),
+		glam::vec3(-1., -1., 1.),
+		glam::vec3(-1., -1., -1.),
+		glam::vec3(1., -1., -1.),
+	];
+	const VERTEX_DATA_FRONT: [glam::Vec3; 4] = [
+		glam::vec3(-1., 1., -1.),
+		glam::vec3(1., 1., -1.),
+		glam::vec3(1., -1., -1.),
+		glam::vec3(-1., -1., -1.),
+	];
+
+	pub fn new() -> Self {
+		Self {min: glam::Vec3::INFINITY,max: glam::Vec3::NEG_INFINITY}
+	}
+
+	pub fn grow(&mut self, point:glam::Vec3){
+		self.min=self.min.min(point);
+		self.max=self.max.max(point);
+	}
+
+	pub fn normal(face:AabbFace) -> glam::Vec3 {
+		match face {
+			AabbFace::Right => glam::vec3(1.,0.,0.),
+			AabbFace::Top => glam::vec3(0.,1.,0.),
+			AabbFace::Back => glam::vec3(0.,0.,1.),
+			AabbFace::Left => glam::vec3(-1.,0.,0.),
+			AabbFace::Bottom => glam::vec3(0.,-1.,0.),
+			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] {
+		match face {
+			AabbFace::Right => Self::VERTEX_DATA_RIGHT,
+			AabbFace::Top => Self::VERTEX_DATA_TOP,
+			AabbFace::Back => Self::VERTEX_DATA_BACK,
+			AabbFace::Left => Self::VERTEX_DATA_LEFT,
+			AabbFace::Bottom => Self::VERTEX_DATA_BOTTOM,
+			AabbFace::Front => Self::VERTEX_DATA_FRONT,
+		}
+	}
+}
+
+//pretend to be using what we want to eventually do
+type TreyMeshFace = AabbFace;
+type TreyMesh = Aabb;
+
+pub struct Model {
+	//A model is a thing that has a hitbox. can be represented by a list of TreyMesh-es
+	//in this iteration, all it needs is extents.
+	transform: glam::Mat4,
+}
+
+impl Model {
+	pub fn new(transform:glam::Mat4) -> Self {
+		Self{transform}
+	}
+	pub fn unit_vertices(&self) -> [glam::Vec3;8] {
+		Aabb::unit_vertices()
+	}
+	pub fn mesh(&self) -> TreyMesh {
+		let mut aabb=Aabb::new();
+		for &vertex in self.unit_vertices().iter() {
+			aabb.grow(glam::Vec4Swizzles::xyz(self.transform*vertex.extend(1.0)));
+		}
+		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
+	}
+}
+
+//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
+	model: u32,//using id to avoid lifetimes
+}
+
+impl RelativeCollision {
+	pub fn mesh(&self,models:&Vec<Model>) -> TreyMesh {
+		return models.get(self.model as usize).unwrap().face_mesh(self.face)
+	}
+	pub fn normal(&self,models:&Vec<Model>) -> glam::Vec3 {
+		return models.get(self.model as usize).unwrap().face_normal(self.face)
+	}
+}
+
+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;
+	}
+}
+
+impl PhysicsState {
+	//tickless gaming
+	pub fn run(&mut self, time_limit:TIME){
+		//prepare is ommitted - everything is done via instructions.
+		while let Some(instruction) = self.next_instruction(time_limit) {//collect
+			//advance
+			//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;
+			}
+		}
+	}
+
+	fn next_strafe_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
+		return Some(TimedInstruction{
+			time:(self.time*self.strafe_tick_num/self.strafe_tick_den+1)*self.strafe_tick_den/self.strafe_tick_num,
+			//only poll the physics if there is a before and after mouse event
+			instruction:PhysicsInstruction::StrafeTick
+		});
+	}
+
+	//state mutated on collision:
+	//Accelerator
+	//stair step-up
+
+	//state mutated on instruction
+	//change fly acceleration (fly_sustain)
+	//change fly velocity
+
+	//generic event emmiters
+	//PlatformStandTime
+	//walk/swim/air/ladder sounds
+	//VState?
+
+	//falling under the map
+	// fn next_respawn_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
+	// 	if self.body.position<self.world.min_y {
+	// 		return Some(TimedInstruction{
+	// 			time:self.time,
+	// 			instruction:PhysicsInstruction::Trigger(None)
+	// 		});
+	// 	}
+	// }
+
+	// fn next_water_instruction(&self) -> Option<TimedInstruction<PhysicsInstruction>> {
+	// 	return Some(TimedInstruction{
+	// 		time:(self.time*self.strafe_tick_num/self.strafe_tick_den+1)*self.strafe_tick_den/self.strafe_tick_num,
+	// 		//only poll the physics if there is a before and after mouse event
+	// 		instruction:PhysicsInstruction::Water
+	// 	});
+	// }
+
+	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;
+		}
+	}
+	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>> {
+		//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
+				})
+			})
+		}
+		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>> {
+		//JUST POLLING!!! NO MUTATION
+		let mut collector = crate::instruction::InstructionCollector::new(time_limit);
+		//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));
+		}
+		//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));
+		}
+		if self.grounded {
+			//walk maintenance
+			collector.collect(self.next_walk_instruction());
+		}else{
+			//check to see when the next strafe tick is
+			collector.collect(self.next_strafe_instruction());
+		}
+		collector.instruction()
+	}
+}
+
+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),
+		}
+		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 => {
+				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;
+			},
+		}
+	}
+}

src/framework.rs

@@ -279,11 +279,6 @@ 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
@@ -364,20 +359,6 @@ 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

@@ -0,0 +1,48 @@
+#[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>>;
+}
+pub trait InstructionConsumer<I> {
+	fn process_instruction(&mut self, instruction:TimedInstruction<I>);
+}
+
+//PROPER PRIVATE FIELDS!!!
+pub struct InstructionCollector<I> {
+	time: crate::body::TIME,
+	instruction: Option<I>,
+}
+impl<I> InstructionCollector<I> {
+	pub fn new(time:crate::body::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,
+		}
+	}
+}

src/lib.rs

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

src/main.rs

@@ -19,13 +19,13 @@ struct Entity {
 
 //temp?
 struct ModelData {
-	transform: glam::Mat4,
+	transforms: Vec<glam::Mat4>,
 	vertex_buf: wgpu::Buffer,
 	entities: Vec<Entity>,
 }
 
-struct Model {
-	transform: glam::Mat4,
+struct ModelGraphics {
+	transforms: Vec<glam::Mat4>,
 	vertex_buf: wgpu::Buffer,
 	entities: Vec<Entity>,
 	bind_group: wgpu::BindGroup,
@@ -34,20 +34,12 @@ struct Model {
 
 // Note: we use the Y=up coordinate space in this example.
 struct Camera {
-	time: Instant,
-	pos: glam::Vec3,
-	vel: glam::Vec3,
-	gravity: glam::Vec3,
-	friction: f32,
 	screen_size: (u32, u32),
 	offset: glam::Vec3,
 	fov: f32,
 	yaw: f32,
 	pitch: f32,
 	controls: u32,
-	mv: f32,
-	grounded: bool,
-	walkspeed: f32,
 }
 
 const CONTROL_MOVEFORWARD:u32 = 0b00000001;
@@ -100,7 +92,7 @@ fn get_control_dir(controls: u32) -> glam::Vec3{
 	}
 
 impl Camera {
-	fn to_uniform_data(&self) -> [f32; 16 * 3 + 4] {
+	fn to_uniform_data(&self, pos: glam::Vec3) -> [f32; 16 * 3 + 4] {
 		let aspect = self.screen_size.0 as f32 / self.screen_size.1 as f32;
 		let fov = if self.controls&CONTROL_ZOOM==0 {
 			self.fov
@@ -109,7 +101,7 @@ impl Camera {
 		};
 		let proj = perspective_rh(fov, aspect, 0.5, 1000.0);
 		let proj_inv = proj.inverse();
-		let view = glam::Mat4::from_translation(self.pos+self.offset) * glam::Mat4::from_euler(glam::EulerRot::YXZ, self.yaw, self.pitch, 0f32);
+		let view = glam::Mat4::from_translation(pos+self.offset) * glam::Mat4::from_euler(glam::EulerRot::YXZ, self.yaw, self.pitch, 0f32);
 		let view_inv = view.inverse();
 
 		let mut raw = [0f32; 16 * 3 + 4];
@@ -121,19 +113,29 @@ impl Camera {
 	}
 }
 
-pub struct Skybox {
+pub struct GraphicsBindGroups {
+	camera: wgpu::BindGroup,
+	skybox_texture: wgpu::BindGroup,
+}
+
+pub struct GraphicsPipelines {
+	skybox: wgpu::RenderPipeline,
+	model: wgpu::RenderPipeline,
+}
+
+pub struct GraphicsData {
+	start_time: std::time::Instant,
 	camera: Camera,
-	sky_pipeline: wgpu::RenderPipeline,
-	entity_pipeline: wgpu::RenderPipeline,
-	ground_pipeline: wgpu::RenderPipeline,
-	main_bind_group: wgpu::BindGroup,
+	physics: strafe_client::body::PhysicsState,
+	pipelines: GraphicsPipelines,
+	bind_groups: GraphicsBindGroups,
 	camera_buf: wgpu::Buffer,
-	models: Vec<Model>,
+	models: Vec<ModelGraphics>,
 	depth_view: wgpu::TextureView,
 	staging_belt: wgpu::util::StagingBelt,
 }
 
-impl Skybox {
+impl GraphicsData {
 	const DEPTH_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Depth24Plus;
 
 	fn create_depth_texture(
@@ -159,14 +161,17 @@ impl Skybox {
 	}
 }
 
-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)[..]);
+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);
+	}
 	raw
 }
 
-fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
-	let data = obj::ObjData::load_buf(&source[..]).unwrap();
+fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,data:obj::ObjData){
 	let mut vertices = Vec::new();
 	let mut vertex_index = std::collections::HashMap::<obj::IndexTuple,u16>::new();
 	for object in data.objects {
@@ -178,7 +183,7 @@ fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
 					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 as u16);
+							indices.push(i);
 						}else{
 							let i=vertices.len() as u16;
 							vertices.push(Vertex {
@@ -208,14 +213,14 @@ fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
 			usage: wgpu::BufferUsages::VERTEX,
 		});
 		modeldatas.push(ModelData {
-			transform: glam::Mat4::default(),
+			transforms: vec![glam::Mat4::default()],
 			vertex_buf,
 			entities,
 		})
 	}
 }
 
-impl strafe_client::framework::Example for Skybox {
+impl strafe_client::framework::Example for GraphicsData {
 	fn optional_features() -> wgpu::Features {
 		wgpu::Features::TEXTURE_COMPRESSION_ASTC
 			| wgpu::Features::TEXTURE_COMPRESSION_ETC2
@@ -229,15 +234,77 @@ impl strafe_client::framework::Example for Skybox {
 		queue: &wgpu::Queue,
 	) -> Self {
 		let mut modeldatas = Vec::<ModelData>::new();
-		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"));
+		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);
 		println!("models.len = {:?}", modeldatas.len());
-		modeldatas[1].transform=glam::Mat4::from_translation(glam::vec3(10.,5.,10.));
-		modeldatas[2].transform=glam::Mat4::from_translation(glam::vec3(-10.,5.,10.));
+		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));
 
-		let main_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
+		let camera_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,
+				},
+			],
+		});
+		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,
+					visibility: wgpu::ShaderStages::FRAGMENT,
+					ty: wgpu::BindingType::Texture {
+						sample_type: wgpu::TextureSampleType::Float { filterable: true },
+						multisampled: false,
+						view_dimension: wgpu::TextureViewDimension::Cube,
+					},
+					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,
@@ -255,7 +322,7 @@ impl strafe_client::framework::Example for Skybox {
 					ty: wgpu::BindingType::Texture {
 						sample_type: wgpu::TextureSampleType::Float { filterable: true },
 						multisampled: false,
-						view_dimension: wgpu::TextureViewDimension::Cube,
+						view_dimension: wgpu::TextureViewDimension::D2,
 					},
 					count: None,
 				},
@@ -267,20 +334,26 @@ impl strafe_client::framework::Example for Skybox {
 				},
 			],
 		});
-		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,
-				},
-			],
+
+		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()
 		});
 
 		// Create the render pipeline
@@ -290,37 +363,199 @@ impl strafe_client::framework::Example for Skybox {
 		});
 
 		let camera = Camera {
-			time: Instant::now(),
-			pos: glam::Vec3::new(5.0,0.0,5.0),
-			vel: glam::Vec3::new(0.0,0.0,0.0),
-			gravity: glam::Vec3::new(0.0,-100.0,0.0),
-			friction: 90.0,
 			screen_size: (config.width, config.height),
-			offset: glam::Vec3::new(0.0,4.5,0.0),
+			offset: glam::Vec3::new(0.0,4.5-2.5,0.0),
 			fov: 1.0, //fov_slope = tan(fov_y/2)
 			pitch: 0.0,
 			yaw: 0.0,
-			mv: 2.7,
 			controls:0,
-			grounded: true,
-			walkspeed: 18.0,
 		};
-		let camera_uniforms = camera.to_uniform_data();
-		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 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)),
+			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,
+			mv: 2.7,
+			grounded: false,
+			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),
+		};
+
+		//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()
+			})
+		};
+
+		//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_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
+				label: Some(format!("ModelGraphics{}",i).as_str()),
+				contents: bytemuck::cast_slice(&model_uniforms),
+				usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
+			});
+			let model_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
+				layout: &model_bind_group_layout,
+				entries: &[
+					wgpu::BindGroupEntry {
+						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,
+				vertex_buf:modeldata.vertex_buf,
+				entities: modeldata.entities,
+				bind_group: model_bind_group,
+				model_buf,
+			})
+		}
 
 		let pipeline_layout = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
 			label: None,
-			bind_group_layouts: &[&main_bind_group_layout, &model_bind_group_layout],
+			bind_group_layouts: &[
+				&camera_bind_group_layout,
+				&model_bind_group_layout,
+				&skybox_texture_bind_group_layout,
+			],
 			push_constant_ranges: &[],
 		});
 
 		// Create the render pipelines
 		let sky_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
-			label: Some("Sky"),
+			label: Some("Sky Pipeline"),
 			layout: Some(&pipeline_layout),
 			vertex: wgpu::VertexState {
 				module: &shader,
@@ -346,12 +581,12 @@ impl strafe_client::framework::Example for Skybox {
 			multisample: wgpu::MultisampleState::default(),
 			multiview: None,
 		});
-		let entity_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
-			label: Some("Entity"),
+		let model_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
+			label: Some("Model Pipeline"),
 			layout: Some(&pipeline_layout),
 			vertex: wgpu::VertexState {
 				module: &shader,
-				entry_point: "vs_entity",
+				entry_point: "vs_entity_texture",
 				buffers: &[wgpu::VertexBufferLayout {
 					array_stride: std::mem::size_of::<Vertex>() as wgpu::BufferAddress,
 					step_mode: wgpu::VertexStepMode::Vertex,
@@ -360,34 +595,7 @@ impl strafe_client::framework::Example for Skybox {
 			},
 			fragment: Some(wgpu::FragmentState {
 				module: &shader,
-				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",
+				entry_point: "fs_entity_texture",
 				targets: &[Some(config.view_formats[0].into())],
 			}),
 			primitive: wgpu::PrimitiveState {
@@ -405,145 +613,51 @@ impl strafe_client::framework::Example for Skybox {
 			multiview: None,
 		});
 
-		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_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 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,
+		let camera_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
+			layout: &camera_bind_group_layout,
 			entries: &[
 				wgpu::BindGroupEntry {
 					binding: 0,
 					resource: camera_buf.as_entire_binding(),
 				},
-				wgpu::BindGroupEntry {
-					binding: 1,
-					resource: wgpu::BindingResource::TextureView(&texture_view),
-				},
-				wgpu::BindGroupEntry {
-					binding: 2,
-					resource: wgpu::BindingResource::Sampler(&sampler),
-				},
 			],
 			label: Some("Camera"),
 		});
-
-		//drain the modeldata vec so entities can be /moved/ to models.entities
-		let mut models = Vec::<Model>::with_capacity(modeldatas.len());
-		for (i,modeldata) in modeldatas.drain(..).enumerate() {
-			let model_uniforms = get_transform_uniform_data(&modeldata.transform);
-			let model_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
-				label: Some(format!("Model{}",i).as_str()),
-				contents: bytemuck::cast_slice(&model_uniforms),
-				usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
-			});
-			let model_bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
-				layout: &model_bind_group_layout,
-				entries: &[
-					wgpu::BindGroupEntry {
-						binding: 0,
-						resource: model_buf.as_entire_binding(),
-					},
-				],
-				label: Some(format!("Model{}",i).as_str()),
-			});
-			//all of these are being moved here
-			models.push(Model{
-				transform: modeldata.transform,
-				vertex_buf:modeldata.vertex_buf,
-				entities: modeldata.entities,
-				bind_group: model_bind_group,
-				model_buf,
-			})
-		}
+		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),
+				},
+			],
+			label: Some("Sky Texture"),
+		});
 
 		let depth_view = Self::create_depth_texture(config, device);
 
-		Skybox {
+		GraphicsData {
+			start_time: Instant::now(),
 			camera,
-			sky_pipeline,
-			entity_pipeline,
-			ground_pipeline,
-			main_bind_group,
+			physics,
+			pipelines:GraphicsPipelines{
+				skybox:sky_pipeline,
+				model:model_pipeline
+			},
+			bind_groups:GraphicsBindGroups{
+				camera:camera_bind_group,
+				skybox_texture:skybox_texture_bind_group,
+			},
 			camera_buf,
 			models,
 			depth_view,
@@ -625,44 +739,45 @@ impl strafe_client::framework::Example for Skybox {
 		queue: &wgpu::Queue,
 		_spawner: &strafe_client::framework::Spawner,
 	) {
-		let time = Instant::now();
-
-		//physique
-		let dt=(time-self.camera.time).as_secs_f32();
-		self.camera.time=time;
-		let camera_mat=glam::Mat3::from_euler(glam::EulerRot::YXZ,self.camera.yaw,0f32,0f32);
+		let camera_mat=glam::Mat3::from_rotation_y(self.camera.yaw);
 		let control_dir=camera_mat*get_control_dir(self.camera.controls&(CONTROL_MOVELEFT|CONTROL_MOVERIGHT|CONTROL_MOVEFORWARD|CONTROL_MOVEBACK)).normalize_or_zero();
-		let d=self.camera.vel.dot(control_dir);
-		if d<self.camera.mv {
-			self.camera.vel+=(self.camera.mv-d)*control_dir;
+
+		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)
+			});
 		}
-		self.camera.vel+=self.camera.gravity*dt;
-		self.camera.pos+=self.camera.vel*dt;
-		if self.camera.pos.y<0.0{
-			self.camera.pos.y=0.0;
-			self.camera.vel.y=0.0;
-			self.camera.grounded=true;
+
+		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)
+			});
 		}
-		if self.camera.grounded&&(self.camera.controls&CONTROL_JUMP)!=0 {
-			self.camera.grounded=false;
-			self.camera.vel+=glam::Vec3::new(0.0,0.715588/2.0*100.0,0.0);
-		}
-		if self.camera.grounded {
-			let applied_friction=self.camera.friction*dt;
-			let targetv=control_dir*self.camera.walkspeed;
-			let diffv=targetv-self.camera.vel;
-			if applied_friction*applied_friction<diffv.length_squared() {
-				self.camera.vel+=applied_friction*diffv.normalize();
-			} else {
-				self.camera.vel=targetv;
-			}
+
+		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
+			});
 		}
 
 		let mut encoder =
 			device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
 
 		// update rotation
-		let camera_uniforms = self.camera.to_uniform_data();
+		let camera_uniforms = self.camera.to_uniform_data(self.physics.body.extrapolated_position(time));
 		self.staging_belt
 			.write_buffer(
 				&mut encoder,
@@ -674,7 +789,7 @@ impl strafe_client::framework::Example for Skybox {
 			.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.transform);
+			let model_uniforms = get_transform_uniform_data(&model.transforms);
 			self.staging_belt
 				.write_buffer(
 					&mut encoder,
@@ -713,25 +828,21 @@ impl strafe_client::framework::Example for Skybox {
 				}),
 			});
 
-			rpass.set_bind_group(0, &self.main_bind_group, &[]);
+			rpass.set_bind_group(0, &self.bind_groups.camera, &[]);
+			rpass.set_bind_group(2, &self.bind_groups.skybox_texture, &[]);
 
-			rpass.set_pipeline(&self.entity_pipeline);
+			rpass.set_pipeline(&self.pipelines.model);
 			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..1);
+					rpass.draw_indexed(0..entity.index_count, 0, 0..model.transforms.len() as u32);
 				}
 			}
 
-			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.set_pipeline(&self.pipelines.skybox);
 			rpass.draw(0..3, 0..1);
 		}
 
@@ -742,7 +853,7 @@ impl strafe_client::framework::Example for Skybox {
 }
 
 fn main() {
-	strafe_client::framework::run::<Skybox>(
+	strafe_client::framework::run::<GraphicsData>(
 		format!("Strafe Client v{}",
 			env!("CARGO_PKG_VERSION")
 		).as_str()

src/shader.wgsl

@@ -1,9 +1,4 @@
-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
@@ -13,9 +8,16 @@ struct Data {
 	// camera position
 	cam_pos: vec4<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 {
@@ -30,8 +32,8 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	);
 
 	// 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 = transpose(mat3x3<f32>(camera.view[0].xyz, camera.view[1].xyz, camera.view[2].xyz));
+	let unprojected = camera.proj_inv * pos;
 
 	var result: SkyOutput;
 	result.sampledir = inv_model_view * unprojected.xyz;
@@ -39,93 +41,65 @@ fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
 	return result;
 }
 
-struct GroundOutput {
-	@builtin(position) position: vec4<f32>,
-	@location(4) pos: vec3<f32>,
-};
+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;
 
-@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 {
+struct EntityOutputTexture {
 	@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(
+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;
+) -> 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;
 	return result;
 }
 
-@group(0)
+//group 2 is the skybox texture
+@group(2)
+@binding(0)
+var cube_texture: texture_cube<f32>;
+@group(2)
 @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, model_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).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);
 }

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
+	}
+}

src/zeroes.rs

@@ -0,0 +1,27 @@
+//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];
+	}
+}