public void PasteBitmapToSpritesheetAlpha(RagePixelTexel position, Rect spriteUV, RagePixelBitmap bitmap)
{
for (int y = Mathf.Max(position.Y, 0); y < position.Y + bitmap.Height() && y < (int)(spriteUV.height * spritesheetTexture.height); y++)
{
for (int x = Mathf.Max(position.X, 0); x < position.X + bitmap.Width() && x < (int)(spriteUV.width * spritesheetTexture.width); x++)
{
Color src = bitmap.GetPixel(x - position.X, y - position.Y);
Color trg = spritesheetTexture.GetPixel((int)(spriteUV.x * spritesheetTexture.width) + x, (int)(spriteUV.y * spritesheetTexture.height) + y);
spritesheetTexture.SetPixel(
(int)(spriteUV.x * spritesheetTexture.width) + x,
(int)(spriteUV.y * spritesheetTexture.height) + y,
src + (1f-src.a) * trg
);
}
}
}
public void PasteBitmapToSpritesheet(RagePixelTexel position, Rect spriteUV, RagePixelBitmap bitmap)
{
for (int y = Mathf.Max(position.Y, 0); y < position.Y + bitmap.Height() && y < (int)(spriteUV.height * spritesheetTexture.height); y++)
{
for (int x = Mathf.Max(position.X, 0); x < position.X + bitmap.Width() && x < (int)(spriteUV.width * spritesheetTexture.width); x++)
{
spritesheetTexture.SetPixel(
(int)(spriteUV.x * spritesheetTexture.width) + x,
(int)(spriteUV.y * spritesheetTexture.height) + y,
bitmap.GetPixel(x - position.X, y - position.Y)
);
}
}
}