private void PutPixel(DirectBitmap bitmap, int x, int y)
{
if (!(x >= 0 && x < bitmap.Width && y >= 0 && y < bitmap.Height))
{
return;
}
int R, G, B;
double cos;
Vector normal;
if (NormalOn && NormalMap != null)
{
normal = NormalMap[x % NormalMap.GetLength(0), y % NormalMap.GetLength(1)];
}
else
{
normal = new Vector(0, 0, 1);
}
if (HeightMapOn && HeightMap != null)
{
normal.Add(HeightMap[x % HeightMap.GetLength(0), y % HeightMap.GetLength(1)]);
normal.Normalise();
}
cos = LightSettings.GetVectorToPoint(x, y).GetAngle(normal);
if (TextureOn && Texture != null)
{
R = (int)((double)LightSettings.LightColor.R * Texture[x % Texture.GetLength(0), y % Texture.GetLength(1)].R / 255 * cos);
G = (int)((double)LightSettings.LightColor.G * Texture[x % Texture.GetLength(0), y % Texture.GetLength(1)].G / 255 * cos);
B = (int)((double)LightSettings.LightColor.B * Texture[x % Texture.GetLength(0), y % Texture.GetLength(1)].B / 255 * cos);
}
else
{
R = (int)(polygonColor.R * (double)LightSettings.LightColor.R / 255 * cos);
G = (int)(polygonColor.G * (double)LightSettings.LightColor.G / 255 * cos);
B = (int)(polygonColor.B * (double)LightSettings.LightColor.B / 255 * cos);
}
bitmap.SetPixel(x, y, Color.FromArgb(Cut(R), Cut(G), Cut(B)));
}
public Vector3 NormalAt(int x, int y)
{
if (x >= NormalMap.GetLength(0))
{
x = NormalMap.GetLength(0) - 1;
}
if (y >= NormalMap.GetLength(1))
{
y = NormalMap.GetLength(1) - 1;
}
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
return(NormalMap[x, y]);
}