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Treat projectile-terrainentity collisions in a manner that's accurate to the voxel collider instead of as a cylinder.

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This commit is contained in:
Avi Weinstock 2021-04-01 22:03:53 -04:00
parent d39d11d2fa
commit 13d98f8f3e
1 changed files with 15 additions and 11 deletions
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26
common/sys/src/phys.rs
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@ -368,6 +368,12 @@ impl<'a> PhysicsData<'a> {
return;
}
// Don't apply repulsion or projectile collision to voxel colliders
// in the e-e loop (the latter is handled in the e-t loop)
if matches!(collider_other, Some(Collider::Voxel { .. })) {
return;
}
entity_entity_collision_checks += 1;
const MIN_COLLISION_DIST: f32 = 0.3;
@ -403,17 +409,9 @@ impl<'a> PhysicsData<'a> {
}
// Don't apply repulsive force to projectiles or if
// we're
// colliding
// with a terrain-like entity, or if we are a
// terrain-like
// entity
// we are a terrain-like entity
if diff.magnitude_squared() > 0.0
&& !is_projectile
&& !matches!(
collider_other,
Some(Collider::Voxel { .. })
)
&& !matches!(collider, Some(Collider::Voxel { .. }))
{
let force = 400.0
@ -864,17 +862,19 @@ impl<'a> PhysicsData<'a> {
.filter_map(|entity| {
positions
.get(entity)
.zip(read.uids.get(entity))
.zip(velocities.get(entity))
.zip(previous_phys_cache.get(entity))
.zip(read.colliders.get(entity))
.zip(orientations.get(entity))
.map(|((((pos, vel), previous_cache), collider), ori)| {
(entity, pos, vel, previous_cache, collider, ori)
.map(|(((((pos, uid), vel), previous_cache), collider), ori)| {
(entity, uid, pos, vel, previous_cache, collider, ori)
})
})
.for_each(
|(
entity_other,
other,
pos_other,
vel_other,
previous_cache_other,
@ -975,6 +975,10 @@ impl<'a> PhysicsData<'a> {
vel.0 = ori_from.mul_direction(vel.0) + vel_other;
tgt_pos = cpos.0;
if vel != old_vel {
physics_state.touch_entities.push(*other);
}
// union in the state updates, so that the state isn't just
// based on the most
// recent terrain that collision was attempted with