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atlas 2025-07-09 02:06:14 -04:00
parent f9fb5735be
commit 2831f4a54b
1 changed files with 5 additions and 5 deletions
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10
crates/bevy_render/src/maths.wgsl
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@ -68,14 +68,14 @@ fn mat4x4_to_mat3x3(m: mat4x4<f32>) -> mat3x3<f32> {
// The results are equivalent to the Gram-Schmidt process [1].
//
// [1]: https://math.stackexchange.com/a/1849294
fn orthonormalize(z_basis: vec3<f32>) -> mat3x3<f32> {
fn orthonormalize(z_normalized: vec3<f32>) -> mat3x3<f32> {
var up = vec3(0.0, 1.0, 0.0);
if (abs(dot(up, z_basis)) > 0.99) {
if (abs(dot(up, z_normalized)) > 0.99) {
up = vec3(1.0, 0.0, 0.0); // Avoid creating a degenerate basis.
}
let x_basis = normalize(cross(z_basis, up));
let y_basis = cross(z_basis, x_basis);
return mat3x3(x_basis, y_basis, z_basis);
let x_basis = normalize(cross(z_normalized, up));
let y_basis = cross(z_normalized, x_basis);
return mat3x3(x_basis, y_basis, z_normalized);
}
// Returns true if any part of a sphere is on the positive side of a plane.