public void AdjustHue(float hue)
{
hue *= (float)Math.PI;
float cos = (float)Math.Cos(hue);
float sin = (float)Math.Sin(hue);
float[] mtx =
{
// r1
((LUMA_R + (cos * (1.0f - LUMA_R))) + (sin * -(LUMA_R))),
((LUMA_G + (cos * -(LUMA_G))) + (sin * -(LUMA_G))),
((LUMA_B + (cos * -(LUMA_B))) + (sin * (1.0f - LUMA_B))),
0.0f,
0.0f,
// r2
((LUMA_R + (cos * -(LUMA_R))) + (sin * 0.143f)),
((LUMA_G + (cos * (1.0f - LUMA_G))) + (sin * 0.14f)),
((LUMA_B + (cos * -(LUMA_B))) + (sin * -0.283f)),
0.0f,
0.0f,
// r3
((LUMA_R + (cos * -(LUMA_R))) + (sin * -((1.0f - LUMA_R)))),
((LUMA_G + (cos * -(LUMA_G))) + (sin * LUMA_G)),
((LUMA_B + (cos * (1.0f - LUMA_B))) + (sin * LUMA_B)),
0.0f,
0.0f,
// r4
0.0f,
0.0f,
0.0f,
1.0f,
0.0f
};
ConcatMatrix(this, mtx);
}
