public int RenderPixel(int X, int Y)
{
if (Background == null)
{
return(0);
}
double r = Background.R(X, Y) * 255;
double g = Background.G(X, Y) * 255;
double b = Background.B(X, Y) * 255;
if (Light != null)
{
double cos = 0;
Vector lightVector = Light.VectorToLight(X, Y, Function[X, Y]);
Vector normalVector = BumpMap != null?BumpedVector(X, Y) : Function.GradientVector(X, Y);
if (lightVector.Z > 0)
{
cos = lightVector * normalVector;
}
r *= Light.R * cos;
g *= Light.G * cos;
b *= Light.B * cos;
}
return(RGB2Int((int)r, (int)g, (int)b));
}