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Rotate camera around z

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Hanno Braun 2024-10-31 21:14:52 +01:00
parent 7c2bffcf2c
commit cbd4f9e216
1 changed files with 14 additions and 0 deletions
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14
experiments/2024-10-30/src/render.rs
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@ -217,6 +217,7 @@ impl Mat4x4 {
Self::perspective() Self::perspective()
* Self::translation([0., 0., -2.]) * Self::translation([0., 0., -2.])
* Self::rotation_x(PI / 4.) * Self::rotation_x(PI / 4.)
* Self::rotation_z(PI / 4.)
} }
pub fn perspective() -> Self { pub fn perspective() -> Self {
@ -263,6 +264,19 @@ impl Mat4x4 {
], ],
} }
} }
pub fn rotation_z(angle: f32) -> Self {
let (sin, cos) = angle.sin_cos();
Self {
columns: [
[cos, -sin, 0., 0.],
[sin, cos, 0., 0.],
[0., 0., 1., 0.],
[0., 0., 0., 1.],
],
}
}
} }
impl Mul<Self> for Mat4x4 { impl Mul<Self> for Mat4x4 {