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fix slope divide by zero

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Quaternions 2023-11-06 16:11:41 -08:00
parent 9aa7656278
commit 432a38718c
2 changed files with 5 additions and 3 deletions
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6
src/integer.rs
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@ -653,8 +653,10 @@ impl Planar64Vec3{
)) ))
} }
#[inline] #[inline]
pub fn slope(&self,up:Self)->Planar64{ pub fn slope_cmp(&self,slope:Planar64,up:Self)->bool{
self.dot(up)/self.cross(up).length() let y=self.dot(up);
let x=self.cross(up).length();
y<x*slope
} }
#[inline] #[inline]
pub fn length(&self)->Planar64{ pub fn length(&self)->Planar64{

2
src/physics.rs
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@ -1235,7 +1235,7 @@ impl crate::instruction::InstructionConsumer<PhysicsInstruction> for PhysicsStat
self.touching.constrain_acceleration(&self.models,&mut a); self.touching.constrain_acceleration(&self.models,&mut a);
self.body.acceleration=a; self.body.acceleration=a;
} }
None=>if self.style.surf_slope.map_or(true,|s|s<self.models.mesh(model_id).face_nd(c.face_id().unwrap()).0.slope(Planar64Vec3::Y)){ None=>if self.style.surf_slope.map_or(true,|s|self.models.mesh(model_id).face_nd(c.face_id().unwrap()).0.slope_cmp(s,Planar64Vec3::Y)){
//ground //ground
let mut target_velocity=self.style.get_walk_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time); let mut target_velocity=self.style.get_walk_target_velocity(&self.camera,self.controls,&self.next_mouse,self.time);
self.touching.constrain_velocity(&self.models,&mut target_velocity); self.touching.constrain_velocity(&self.models,&mut target_velocity);