mat3 rotationMatrixVector()

in src/Algorithm/fractals.c [111:119]


mat3 rotationMatrixVector(vec3 v, float angle)
{
    float c = cos(radians(angle));
    float s = sin(radians(angle));

    return mat3(c + (1.0 - c) * v.x * v.x, (1.0 - c) * v.x * v.y - s * v.z, (1.0 - c) * v.x * v.z + s * v.y,
            (1.0 - c) * v.x * v.y + s * v.z, c + (1.0 - c) * v.y * v.y, (1.0 - c) * v.y * v.z - s * v.x,
            (1.0 - c) * v.x * v.z - s * v.y, (1.0 - c) * v.y * v.z + s * v.x, c + (1.0 - c) * v.z * v.z);
}