LYGIA Shader Library

Use:

<mat3> rotate3dX(<float> radians)

Check it on Github

#ifndef FNC_ROTATE3DX
#define FNC_ROTATE3DX
mat3 rotate3dX(const in float r){
    return mat3(vec3(1.0,0.0,0.0),
                vec3(0.0,cos(r),-sin(r)),
                vec3(0.0,sin(r),cos(r)));
}
#endif

Use:

<float3x3> rotate3dX(<float> radians)

Check it on Github

#ifndef FNC_ROTATE3DX
#define FNC_ROTATE3DX
float3x3 rotate3dX(const in float r){
    return float3x3(float3(1.0,0.0,0.0),
                    float3(0.0,cos(r),-sin(r)),
                    float3(0.0,sin(r),cos(r)));
}
#endif

Check it on Github

fn rotate3dX(r: f32) -> mat3x3<f32> {
    return mat3x3<f32>( vec3f(1.0, 0.0, 0.0),
                        vec3f(0.0, cos(r), -sin(r)),
                        vec3f(0.0, sin(r), cos(r)) );
}