it doesn't work in minkowski

because the return type must be the same for all branches

engine/physics/src/face_crawler.rs

@@ -96,7 +96,7 @@ impl<F:Copy,M:MeshQuery<Normal=Vector3<F>,Offset=Fixed<4,128>,Position=Planar64V
 					}
 				}
 				//test each edge collision time, ignoring roots with zero or conflicting derivative
-				mesh.for_each_face_edge(face_id,|directed_edge_id|{
+				for directed_edge_id in mesh.face_edges(face_id){
 					let edge_n=mesh.directed_edge_n(directed_edge_id);
 					let n=n.cross(edge_n);
 					let &[v0,v1]=mesh.edge_verts(directed_edge_id.as_undirected()).as_ref();
@@ -110,7 +110,7 @@ impl<F:Copy,M:MeshQuery<Normal=Vector3<F>,Offset=Fixed<4,128>,Position=Planar64V
 							break;
 						}
 					}
-				});
+				}
 				//if none:
 			},
 			&FEV::Edge(edge_id)=>{
@@ -151,7 +151,7 @@ impl<F:Copy,M:MeshQuery<Normal=Vector3<F>,Offset=Fixed<4,128>,Position=Planar64V
 			},
 			&FEV::Vert(vert_id)=>{
 				//test each edge collision time, ignoring roots with zero or conflicting derivative
-				mesh.for_each_vert_edge(vert_id,|directed_edge_id|{
+				for directed_edge_id in mesh.vert_edges(vert_id){
 					//edge is directed away from vertex, but we want the dot product to turn out negative
 					let n=-mesh.directed_edge_n(directed_edge_id);
 					for dt in Fixed::<2,64>::zeroes2((n.dot(trajectory.position-mesh.vert(vert_id)))*2,n.dot(trajectory.velocity)*2,n.dot(trajectory.acceleration)){
@@ -162,7 +162,7 @@ impl<F:Copy,M:MeshQuery<Normal=Vector3<F>,Offset=Fixed<4,128>,Position=Planar64V
 							break;
 						}
 					}
-				});
+				}
 				//if none:
 			},
 		}

engine/physics/src/mesh_query.rs

@@ -26,13 +26,13 @@ pub trait MeshTopology{
 	type Edge:UndirectedEdge<DirectedEdge=Self::DirectedEdge>;
 	type DirectedEdge:DirectedEdge<UndirectedEdge=Self::Edge>;
 	type Vert;
-	fn for_each_vert_edge(&self,vert_id:Self::Vert,f:impl FnMut(Self::DirectedEdge));
-	fn for_each_vert_face(&self,vert_id:Self::Vert,f:impl FnMut(Self::Face));
+	fn vert_edges(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::DirectedEdge>;
+	fn vert_faces(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::Face>;
 	fn edge_faces(&self,edge_id:Self::Edge)->impl AsRef<[Self::Face;2]>;
 	fn edge_verts(&self,edge_id:Self::Edge)->impl AsRef<[Self::Vert;2]>;
-	#[expect(unused)]
-	fn for_each_face_vert(&self,face_id:Self::Face,f:impl FnMut(Self::Vert));
-	fn for_each_face_edge(&self,face_id:Self::Face,f:impl FnMut(Self::DirectedEdge));
+	// #[expect(unused)]
+	// fn face_verts(&self,face_id:Self::Face)->impl Iterator<Item=Self::Vert>;
+	fn face_edges(&self,face_id:Self::Face)->impl Iterator<Item=Self::DirectedEdge>;
 }
 
 // Make face_nd d value relative

engine/physics/src/minimum_difference.rs

@@ -623,7 +623,7 @@ impl<M:MeshQuery<Position=Planar64Vec3>,C:Contains> EVFinder<'_,M,C>
 {
 	fn next_transition_vert(&mut self,vert_id:M::Vert,point:Planar64Vec3)->Transition<M::Vert>{
 		let mut best_transition=Transition::Done;
-		self.mesh.for_each_vert_edge(vert_id,|directed_edge_id|{
+		for directed_edge_id in self.mesh.vert_edges(vert_id){
 			//test if this edge's opposite vertex closer
 			let edge_verts=self.mesh.edge_verts(directed_edge_id.as_undirected());
 			//select opposite vertex
@@ -636,14 +636,14 @@ impl<M:MeshQuery<Position=Planar64Vec3>,C:Contains> EVFinder<'_,M,C>
 				best_transition=Transition::Vert(test_vert_id);
 				self.best_distance_squared=distance_squared;
 			}
-		});
+		}
 		best_transition
 	}
 	fn final_ev(&mut self,vert_id:M::Vert,point:Planar64Vec3)->EV<M>{
 		let mut best_transition=EV::Vert(vert_id);
 		let vert_pos=self.mesh.vert(vert_id);
 		let diff=point-vert_pos;
-		self.mesh.for_each_vert_edge(vert_id,|directed_edge_id|{
+		for directed_edge_id in self.mesh.vert_edges(vert_id){
 			//test if this edge is closer
 			let edge_verts=self.mesh.edge_verts(directed_edge_id.as_undirected());
 			let test_vert_id=edge_verts.as_ref()[directed_edge_id.parity() as usize];
@@ -664,7 +664,7 @@ impl<M:MeshQuery<Position=Planar64Vec3>,C:Contains> EVFinder<'_,M,C>
 					self.best_distance_squared=distance_squared;
 				}
 			}
-		});
+		}
 		best_transition
 	}
 	fn crawl_boundaries(&mut self,mut vert_id:M::Vert,point:Planar64Vec3)->EV<M>

engine/physics/src/minkowski.rs

@@ -133,7 +133,7 @@ impl MinkowskiMesh<'_>{
 		let mut best_time=range.end_bound().map(|&t|into_giga_time(t,trajectory.time));
 		let mut best_edge=None;
 		let face_n=self.face_nd(contact_face_id).0;
-		self.for_each_face_edge(contact_face_id,|directed_edge_id|{
+		for directed_edge_id in self.face_edges(contact_face_id){
 			let edge_n=self.directed_edge_n(directed_edge_id);
 			//f x e points in
 			let n=face_n.cross(edge_n);
@@ -149,7 +149,7 @@ impl MinkowskiMesh<'_>{
 					break;
 				}
 			}
-		});
+		}
 		best_edge
 	}
 	pub fn contains_point(&self,point:Planar64Vec3)->bool{
@@ -211,18 +211,18 @@ impl MeshTopology for MinkowskiMesh<'_>{
 	type Edge=MinkowskiEdge;
 	type DirectedEdge=MinkowskiDirectedEdge;
 	type Vert=MinkowskiVert;
-	fn for_each_vert_edge(&self,vert_id:Self::Vert,mut f:impl FnMut(Self::DirectedEdge)){
+	fn vert_edges(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::DirectedEdge>{
 		match vert_id{
 			MinkowskiVert::VertVert(v0,v1)=>{
 				//detect shared volume when the other mesh is mirrored along a test edge dir
 				let v0f={
 					let mut faces=Vec::new();
-					self.mesh0.for_each_vert_face(v0,|face|faces.push(face));
+					self.mesh0.vert_faces(v0,|face|faces.push(face));
 					faces
 				};
 				let v1f={
 					let mut faces=Vec::new();
-					self.mesh1.for_each_vert_face(v1,|face|faces.push(face));
+					self.mesh1.vert_faces(v1,|face|faces.push(face));
 					faces
 				};
 				let v0f_n:Vec<_>=v0f.iter().map(|&face_id|self.mesh0.face_nd(face_id).0).collect();
@@ -230,7 +230,7 @@ impl MeshTopology for MinkowskiMesh<'_>{
 				// scratch vector
 				let mut face_normals=Vec::with_capacity(v0f.len()+v1f.len());
 				face_normals.clone_from(&v0f_n);
-				self.mesh0.for_each_vert_edge(v0,|directed_edge_id|{
+				self.mesh0.vert_edges(v0,|directed_edge_id|{
 					let n=self.mesh0.directed_edge_n(directed_edge_id);
 					let nn=n.dot(n);
 					// TODO: there's gotta be a better way to do this
@@ -247,7 +247,7 @@ impl MeshTopology for MinkowskiMesh<'_>{
 					}
 				});
 				face_normals.clone_from(&v1f_n);
-				self.mesh1.for_each_vert_edge(v1,|directed_edge_id|{
+				self.mesh1.vert_edges(v1,|directed_edge_id|{
 					let n=self.mesh1.directed_edge_n(directed_edge_id);
 					let nn=n.dot(n);
 					// drop faces beyond v1f_n
@@ -264,7 +264,7 @@ impl MeshTopology for MinkowskiMesh<'_>{
 			},
 		}
 	}
-	fn for_each_vert_face(&self,_vert_id:Self::Vert,_f:impl FnMut(Self::Face)){
+	fn vert_faces(&self,_vert_id:Self::Vert)->impl Iterator<Item=Self::Face>{
 		unimplemented!()
 	}
 	fn edge_faces(&self,edge_id:Self::Edge)->impl AsRef<[Self::Face;2]>{
@@ -273,7 +273,7 @@ impl MeshTopology for MinkowskiMesh<'_>{
 				//faces are listed backwards from the minkowski mesh
 				let v0e={
 					let mut edges=Vec::new();
-					self.mesh0.for_each_vert_edge(v0,|edge|edges.push(edge));
+					self.mesh0.vert_edges(v0,|edge|edges.push(edge));
 					edges
 				};
 				let &[e1f0,e1f1]=self.mesh1.edge_faces(e1).as_ref();
@@ -307,7 +307,7 @@ impl MeshTopology for MinkowskiMesh<'_>{
 				//tracking index with an external variable because .enumerate() is not available
 				let v1e={
 					let mut edges=Vec::new();
-					self.mesh1.for_each_vert_edge(v1,|edge|edges.push(edge));
+					self.mesh1.vert_edges(v1,|edge|edges.push(edge));
 					edges
 				};
 				let &[e0f0,e0f1]=self.mesh0.edge_faces(e0).as_ref();
@@ -346,13 +346,13 @@ impl MeshTopology for MinkowskiMesh<'_>{
 			),
 		})
 	}
-	fn for_each_face_vert(&self,_face_id:Self::Face,_f:impl FnMut(Self::Vert)){
-		unimplemented!()
-	}
-	fn for_each_face_edge(&self,face_id:Self::Face,mut f:impl FnMut(Self::DirectedEdge)){
+	// fn face_verts(&self,_face_id:Self::Face)->impl Iterator<Item=Self::Vert>{
+	// 	unimplemented!()
+	// }
+	fn face_edges(&self,face_id:Self::Face)->impl Iterator<Item=Self::DirectedEdge>{
 		match face_id{
 			MinkowskiFace::VertFace(v0,f1)=>{
-				self.mesh1.for_each_face_edge(f1,|edge_id1|
+				self.mesh1.face_edges(f1,|edge_id1|
 					f(MinkowskiDirectedEdge::VertEdge(v0,edge_id1.reverse()))
 				)
 			},
@@ -367,7 +367,7 @@ impl MeshTopology for MinkowskiMesh<'_>{
 				f(MinkowskiDirectedEdge::EdgeVert(e0.as_directed(parity),e1v1));
 			},
 			MinkowskiFace::FaceVert(f0,v1)=>{
-				self.mesh0.for_each_face_edge(f0,|edge_id0|
+				self.mesh0.face_edges(f0,|edge_id0|
 					f(MinkowskiDirectedEdge::EdgeVert(edge_id0,v1))
 				)
 			},

engine/physics/src/model.rs

@@ -438,11 +438,11 @@ impl MeshTopology for PhysicsMeshView<'_>{
 	type Edge=SubmeshEdgeId;
 	type DirectedEdge=SubmeshDirectedEdgeId;
 	type Vert=SubmeshVertId;
-	fn for_each_vert_edge(&self,vert_id:Self::Vert,f:impl FnMut(Self::DirectedEdge)){
-		self.topology.vert_topology[vert_id.get() as usize].edges.iter().copied().for_each(f);
+	fn vert_edges(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::DirectedEdge>{
+		self.topology.vert_topology[vert_id.get() as usize].edges.iter().copied()
 	}
-	fn for_each_vert_face(&self,vert_id:Self::Vert,f:impl FnMut(Self::Face)){
-		self.topology.vert_topology[vert_id.get() as usize].faces.iter().copied().for_each(f);
+	fn vert_faces(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::Face>{
+		self.topology.vert_topology[vert_id.get() as usize].faces.iter().copied()
 	}
 	fn edge_faces(&self,edge_id:Self::Edge)->impl AsRef<[Self::Face;2]>{
 		AsRefHelper(self.topology.edge_topology[edge_id.get() as usize].faces)
@@ -450,11 +450,11 @@ impl MeshTopology for PhysicsMeshView<'_>{
 	fn edge_verts(&self,edge_id:Self::Edge)->impl AsRef<[Self::Vert;2]>{
 		AsRefHelper(self.topology.edge_topology[edge_id.get() as usize].verts)
 	}
-	fn for_each_face_vert(&self,_face_id:Self::Face,_f:impl FnMut(Self::Vert)){
-		unimplemented!()
-	}
-	fn for_each_face_edge(&self,face_id:Self::Face,f:impl FnMut(Self::DirectedEdge)){
-		self.topology.face_topology[face_id.get() as usize].edges.iter().copied().for_each(f);
+	// fn face_verts(&self,_face_id:Self::Face)->impl Iterator<Item=Self::Vert>{
+	// 	unimplemented!()
+	// }
+	fn face_edges(&self,face_id:Self::Face)->impl Iterator<Item=Self::DirectedEdge>{
+		self.topology.face_topology[face_id.get() as usize].edges.iter().copied()
 	}
 }
 
@@ -538,12 +538,12 @@ impl MeshTopology for TransformedMesh<'_>{
 	type DirectedEdge=SubmeshDirectedEdgeId;
 	type Vert=SubmeshVertId;
 	#[inline]
-	fn for_each_vert_edge(&self,vert_id:Self::Vert,f:impl FnMut(Self::DirectedEdge)){
-		self.view.for_each_vert_edge(vert_id,f)
+	fn vert_edges(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::DirectedEdge>{
+		self.view.vert_edges(vert_id)
 	}
 	#[inline]
-	fn for_each_vert_face(&self,vert_id:Self::Vert,f:impl FnMut(Self::Face)){
-		self.view.for_each_vert_face(vert_id,f)
+	fn vert_faces(&self,vert_id:Self::Vert)->impl Iterator<Item=Self::Face>{
+		self.view.vert_faces(vert_id)
 	}
 	#[inline]
 	fn edge_faces(&self,edge_id:Self::Edge)->impl AsRef<[Self::Face;2]>{
@@ -553,12 +553,13 @@ impl MeshTopology for TransformedMesh<'_>{
 	fn edge_verts(&self,edge_id:Self::Edge)->impl AsRef<[Self::Vert;2]>{
 		self.view.edge_verts(edge_id)
 	}
-	fn for_each_face_vert(&self,face_id:Self::Face,f:impl FnMut(Self::Vert)){
-		self.view.for_each_face_vert(face_id,f)
-	}
+	// #[inline]
+	// fn face_verts(&self,face_id:Self::Face)->impl Iterator<Item=Self::Vert>{
+	// 	self.view.face_verts(face_id)
+	// }
 	#[inline]
-	fn for_each_face_edge(&self,face_id:Self::Face,f:impl FnMut(Self::DirectedEdge)){
-		self.view.for_each_face_edge(face_id,f)
+	fn face_edges(&self,face_id:Self::Face)->impl Iterator<Item=Self::DirectedEdge>{
+		self.view.face_edges(face_id)
 	}
 }
 

engine/physics/src/physics.rs

@@ -868,6 +868,7 @@ pub struct PhysicsState{
 	//gameplay_state
 	mode_state:ModeState,
 	move_state:MoveState,
+	no_clip:bool,
 	//run is non optional: when you spawn in a run is created
 	//the run cannot be finished unless you start it by visiting
 	//a start zone.  If you change mode, a new run is created.
@@ -882,6 +883,7 @@ impl Default for PhysicsState{
 			style:StyleModifiers::default(),
 			touching:TouchingState::default(),
 			move_state:MoveState::Air,
+			no_clip:false,
 			camera:PhysicsCamera::default(),
 			input_state:InputState::default(),
 			_world:WorldState{},
@@ -1195,6 +1197,11 @@ fn next_instruction_internal(state:&PhysicsState,data:&PhysicsData,time_limit:Ti
 	let trajectory=state.body.with_acceleration(state.acceleration(data));
 	//check for collision ends
 	state.touching.predict_collision_end(&mut collector,&data.models,&data.hitbox_mesh,&trajectory,state.time);
+
+	if state.no_clip{
+		return collector.take();
+	}
+
 	//check for collision starts
 	let mut aabb=aabb::Aabb::default();
 	trajectory.grow_aabb(&mut aabb,state.time,collector.time());
@@ -1890,6 +1897,7 @@ fn atomic_input_instruction(state:&mut PhysicsState,data:&PhysicsData,ins:TimedI
 		},
 		Instruction::SetControl(SetControlInstruction::SetSprint(s))=>{
 			state.input_state.set_control(Controls::Sprint,s);
+			state.no_clip=s;
 		},
 		Instruction::Mode(ModeInstruction::Reset)=>{
 			//totally reset physics state