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normalize the resulting re-calculated "up" vector

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Gered 2024-09-08 20:18:51 -04:00
parent c3c6f1338d
commit fbba97f168
1 changed files with 1 additions and 1 deletions
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ggdt/src/math/matrix4x4.rs
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@ -255,7 +255,7 @@ impl Matrix4x4 {
pub fn new_look_at(position: &Vector3, target: &Vector3, up: &Vector3) -> Matrix4x4 { pub fn new_look_at(position: &Vector3, target: &Vector3, up: &Vector3) -> Matrix4x4 {
let forward = (*target - *position).normalize(); let forward = (*target - *position).normalize();
let left = forward.cross(up).normalize(); let left = forward.cross(up).normalize();
let up = left.cross(&forward); let up = left.cross(&forward).normalize();
let out = Matrix4x4::new( let out = Matrix4x4::new(
left.x, left.y, left.z, 0.0, left.x, left.y, left.z, 0.0,