//Extract and mask image-piece to be used as puzzle piece texture
Texture2D ExtractFromImage(Texture2D _image, Piece _puzzlElement, int _x, int _y, int _elementBaseSize, Vector2 _elementSizeRatio)
{
//Get proper piece of image
Color[] pixels = _image.GetPixels
(
(int)((_x * _elementBaseSize - _puzzlElement.PixelOffset.x) * _elementSizeRatio.x),
(int)(_image.height - (_y + 1) * _elementBaseSize * _elementSizeRatio.y - _puzzlElement.PixelOffset.height * _elementSizeRatio.y),
(int)(_puzzlElement.MaskWidth * _elementSizeRatio.x),
(int)(_puzzlElement.MaskHeight * _elementSizeRatio.y)
);
Texture2D result = new Texture2D(
(int)(_puzzlElement.MaskWidth * _elementSizeRatio.x),
(int)(_puzzlElement.MaskHeight * _elementSizeRatio.y)
);
//Apply mask
result.wrapMode = TextureWrapMode.Clamp;
_puzzlElement.ApplyMask(pixels, ref result);
return(result);
}