LYGIA Shader Library

Use:

<mat3> rotate3dZ(<float> radians)

Check it on Github

#ifndef FNC_ROTATE3DZ
#define FNC_ROTATE3DZ
mat3 rotate3dZ(const in float r){
    float c = cos(r);
    float s = sin(r);
    return mat3(vec3(c,s,0.),
                vec3(-s,c,0.),
                vec3(0.,0.,1.));
}
#endif

Use:

<float3x3> rotate3dZ(<float> radians)

Check it on Github

#ifndef FNC_ROTATE3DZ
#define FNC_ROTATE3DZ
float3x3 rotate3dZ(const in float r){
    float c = cos(r);
    float s = sin(r);
    return float3x3(float3(c,-s,0.),
                    float3(s,c,0.),
                    float3(0.,0.,1.));
}
#endif

Use:

<matrix<float, 3, 3>> rotate3dZ(<float> radians)

Check it on Github

#ifndef FNC_ROTATE3DZ
#define FNC_ROTATE3DZ
matrix<float, 3, 3> rotate3dZ(const float r){
    return matrix<float, 3, 3>(float3(cos(r),-sin(r),0.),
                float3(sin(r),cos(r),0.),
                float3(0.,0.,1.));
}
#endif

Check it on Github

fn rotate3dZ(r: f32) -> mat3x3<f32> {
    return mat3x3<f32>( vec3f(cos(r), -sin(r), 0.0),
                        vec3f(sin(r), cos(r), 0.0),
                        vec3f(0.0, 0.0, 1.0) );
}