Source
void copyFrom2D(Matrix matrix) {
_data[00] = matrix.a;
_data[01] = matrix.c;
_data[02] = 0.0;
_data[03] = matrix.tx;
_data[04] = matrix.b;
_data[05] = matrix.d;
_data[06] = 0.0;
_data[07] = matrix.ty;
_data[08] = 0.0;
_data[09] = 0.0;
_data[10] = 1.0;
_data[11] = 0.0;
_data[12] = 0.0;
_data[13] = 0.0;
_data[14] = 0.0;
_data[15] = 1.0;
}