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update frustum only if the camera moves

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griffi-gh 2023-01-27 22:34:57 +01:00
parent 16bc214628
commit 158639d3b7
1 changed files with 4 additions and 2 deletions
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6
src/camera/frustum.rs
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@ -8,7 +8,8 @@
// three layers of stolen code, yay! // three layers of stolen code, yay!
use glam::{Vec3A, Vec4, Mat3A, vec3a, Vec3, vec4}; use glam::{Vec3A, Vec4, Mat3A, vec3a, Vec3, vec4};
use shipyard::{ViewMut, IntoIter}; use shipyard::{ViewMut, IntoIter, View};
use crate::transform::Transform;
use super::Camera; use super::Camera;
#[repr(usize)] #[repr(usize)]
@ -150,8 +151,9 @@ fn intersection<const A: usize, const B: usize, const C: usize>(planes: &[Vec4;
pub fn update_frustum( pub fn update_frustum(
mut cameras: ViewMut<Camera>, mut cameras: ViewMut<Camera>,
transforms: View<Transform>
) { ) {
for camera in (&mut cameras).iter() { for (camera, _) in (&mut cameras, transforms.inserted_or_modified()).iter() {
camera.frustum = Frustum::compute(camera); camera.frustum = Frustum::compute(camera);
} }
} }