private unsafe void Render(Scene sc, Bitmap bitmap, Rectangle rect)
{
// clip rect to bitmap
rect = new Rectangle(
Math.Max(0, rect.Left),
Math.Max(0, rect.Top),
Math.Min(bitmap.Width - rect.Left, rect.Width),
Math.Min(bitmap.Height - rect.Top, rect.Height));
Lucid.Raytracing.Color[] colorBuffer = new Lucid.Raytracing.Color[rect.Width * rect.Height];
sc.Render(rect, colorBuffer);
BitmapData data = bitmap.LockBits(rect, ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
for (int y = 0; y < data.Height; y++)
{
int* dataPos = (int*)((int)data.Scan0 + (y * data.Stride));
for (int x = 0; x < data.Width; x++)
{
*dataPos = colorBuffer[x + rect.Width * y].ToArgb();
dataPos++;
//bitmap.SetPixel(x, y, col.ToDrawingColor());
}
}
bitmap.UnlockBits(data);
}
