Function copyMatrix

src/SFML/Graphics/Glsl.cpp:40–55

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void copyMatrix(const Transform& source, Matrix<3, 3>& dest)
{
    const float* from = source.getMatrix(); // 4x4
    auto&        to   = dest.array;         // 3x3

    // Use only left-upper 3x3 block (for a 2D transform)
    to[0] = from[0];
    to[1] = from[1];
    to[2] = from[3];
    to[3] = from[4];
    to[4] = from[5];
    to[5] = from[7];
    to[6] = from[12];
    to[7] = from[13];
    to[8] = from[15];
}


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