LYGIA Shader Library

scale3d (lygia/v1.1.6/math/scale3d)

returns a 3x3 scale matrix

Use:

scale3d(<float|vec3> radians)

scale3d(<float> x, <float> y, <float> z)

Check it on Github


#ifndef FNC_SCALE4D
mat3 scale3d(float s) {
    return mat3(
        s, 0.0, 0.0,
        0.0, s, 0.0,
        0.0, 0.0, s
    );
}

mat3 scale3d(float x, float y, float z) {
    return mat3(
         x, 0.0, 0.0,
        0.0,  y, 0.0,
        0.0, 0.0,  z
    );
}

mat3 scale3d(vec3 s) {
    return mat3(
        s.x, 0.0, 0.0,
        0.0, s.y, 0.0,
        0.0, 0.0, s.z
    );
}

#endif

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