/*
	 * Get a slice from a target Sprite based on a (X,Y) grid, (0,0) being the bottom left.
	 * Requires a Sprite to be loaded using Resources.Load<Sprite>("Spritename").
	 *
	 * Param Sprite, int, int
	 * Return Texture2D
	 */
	Texture2D getSliceByXY(Sprite target, int xPos, int yPos) {
		Texture2D croppedTexture = new Texture2D (
		  (int)target.rect.width,
		  (int)target.rect.height
		);

		Color[] pixels = faces.texture.GetPixels (
			faceWidth * xPos,
			faceHeight * yPos,
			faceWidth,
			faceHeight
		);

		croppedTexture.SetPixels (pixels);
		croppedTexture.Apply (); // Upload changed pixels to the graphics card.

		return croppedTexture;
	}