From e78cabf0f59368f75f79d51426b4e582fcf89e95 Mon Sep 17 00:00:00 2001 From: Quaternions Date: Thu, 5 Oct 2023 20:32:02 -0700 Subject: [PATCH] move aabb into its own module --- src/aabb.rs | 63 ++++++++++++++++++++ src/main.rs | 1 + src/physics.rs | 158 +++++++------------------------------------------ 3 files changed, 84 insertions(+), 138 deletions(-) create mode 100644 src/aabb.rs diff --git a/src/aabb.rs b/src/aabb.rs new file mode 100644 index 0000000..194ba83 --- /dev/null +++ b/src/aabb.rs @@ -0,0 +1,63 @@ +#[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)] +pub enum AabbFace{ + Right,//+X + Top, + Back, + Left, + Bottom, + Front, +} +#[derive(Clone)] +pub struct Aabb { + pub min: glam::Vec3, + pub max: glam::Vec3, +} + +impl Aabb { + 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.), + ]; + + 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 face(&self,face:AabbFace) -> Aabb { + let mut aabb=self.clone(); + //in this implementation face = worldspace aabb face + match face { + AabbFace::Right => aabb.min.x=aabb.max.x, + AabbFace::Top => aabb.min.y=aabb.max.y, + AabbFace::Back => aabb.min.z=aabb.max.z, + AabbFace::Left => aabb.max.x=aabb.min.x, + AabbFace::Bottom => aabb.max.y=aabb.min.y, + AabbFace::Front => aabb.max.z=aabb.min.z, + } + return aabb; + } +} \ No newline at end of file diff --git a/src/main.rs b/src/main.rs index 63ddc3e..3263905 100644 --- a/src/main.rs +++ b/src/main.rs @@ -4,6 +4,7 @@ use model::{Vertex,ModelInstance,ModelGraphicsInstance}; use physics::{InputInstruction, PhysicsInstruction}; use instruction::{TimedInstruction, InstructionConsumer}; +mod aabb; mod model; mod zeroes; mod worker; diff --git a/src/physics.rs b/src/physics.rs index 44da8dc..76ff92d 100644 --- a/src/physics.rs +++ b/src/physics.rs @@ -315,114 +315,9 @@ impl PhysicsOutputState{ } } -#[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)] -pub enum AabbFace{ - Right,//+X - Top, - Back, - Left, - Bottom, - Front, -} -#[derive(Clone)] -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; +type TreyMeshFace = crate::aabb::AabbFace; +type TreyMesh = crate::aabb::Aabb; enum PhysicsCollisionAttributes{ Contact{//track whether you are contacting the object @@ -445,7 +340,7 @@ pub struct ModelPhysics { impl ModelPhysics { fn from_model_transform_attributes(model:&crate::model::IndexedModel,transform:&glam::Affine3A,attributes:PhysicsCollisionAttributes)->Self{ - let mut aabb=Aabb::new(); + let mut aabb=TreyMesh::new(); for indexed_vertex in &model.unique_vertices { aabb.grow(transform.transform_point3(glam::Vec3::from_array(model.unique_pos[indexed_vertex.pos as usize]))); } @@ -463,29 +358,16 @@ impl ModelPhysics { } } pub fn unit_vertices(&self) -> [glam::Vec3;8] { - Aabb::unit_vertices() + TreyMesh::unit_vertices() } pub fn mesh(&self) -> &TreyMesh { return &self.mesh; } - 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.clone(); - //in this implementation face = worldspace aabb face - match face { - AabbFace::Right => aabb.min.x=aabb.max.x, - AabbFace::Top => aabb.min.y=aabb.max.y, - AabbFace::Back => aabb.min.z=aabb.max.z, - AabbFace::Left => aabb.max.x=aabb.min.x, - AabbFace::Bottom => aabb.max.y=aabb.min.y, - AabbFace::Front => aabb.max.z=aabb.min.z, - } - return aabb; + pub fn face_mesh(&self,face:TreyMeshFace)->TreyMesh{ + self.mesh.face(face) } pub fn face_normal(&self,face:TreyMeshFace) -> glam::Vec3 { - Aabb::normal(face)//this is wrong for scale + TreyMesh::normal(face)//this is wrong for scale } } @@ -861,8 +743,8 @@ impl PhysicsState { } } fn mesh(&self) -> TreyMesh { - let mut aabb=Aabb::new(); - for vertex in Aabb::unit_vertices(){ + let mut aabb=TreyMesh::new(); + for vertex in TreyMesh::unit_vertices(){ aabb.grow(self.body.position+self.style.hitbox_halfsize*vertex); } aabb @@ -879,7 +761,7 @@ impl PhysicsState { let (v,a)=(-self.body.velocity,self.body.acceleration); //collect x match collision_data.face { - AabbFace::Top|AabbFace::Back|AabbFace::Bottom|AabbFace::Front=>{ + TreyMeshFace::Top|TreyMeshFace::Back|TreyMeshFace::Bottom|TreyMeshFace::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 @@ -907,14 +789,14 @@ impl PhysicsState { } } }, - AabbFace::Left=>{ + TreyMeshFace::Left=>{ //generate event if v.x<0||a.x<0 if -v.x<0f32{ best_time=time; exit_face=Some(TreyMeshFace::Left); } }, - AabbFace::Right=>{ + TreyMeshFace::Right=>{ //generate event if 0{ + TreyMeshFace::Left|TreyMeshFace::Back|TreyMeshFace::Right|TreyMeshFace::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 @@ -952,14 +834,14 @@ impl PhysicsState { } } }, - AabbFace::Bottom=>{ + TreyMeshFace::Bottom=>{ //generate event if v.y<0||a.y<0 if -v.y<0f32{ best_time=time; exit_face=Some(TreyMeshFace::Bottom); } }, - AabbFace::Top=>{ + TreyMeshFace::Top=>{ //generate event if 0{ + TreyMeshFace::Left|TreyMeshFace::Bottom|TreyMeshFace::Right|TreyMeshFace::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 @@ -997,14 +879,14 @@ impl PhysicsState { } } }, - AabbFace::Front=>{ + TreyMeshFace::Front=>{ //generate event if v.z<0||a.z<0 if -v.z<0f32{ best_time=time; exit_face=Some(TreyMeshFace::Front); } }, - AabbFace::Back=>{ + TreyMeshFace::Back=>{ //generate event if 0 for PhysicsStat match &contacting.surf{ Some(surf)=>println!("I'm surfing!"), None=>match &c.face { - AabbFace::Top => { + TreyMeshFace::Top => { //ground self.grounded=true; }, @@ -1268,7 +1150,7 @@ impl crate::instruction::InstructionConsumer for PhysicsStat self.body.acceleration=a; //check ground match &c.face { - AabbFace::Top => { + TreyMeshFace::Top => { self.grounded=false; }, _ => (),