public void render(int xOffset, int yOffset) {
		for (int y = 0; y < height; y++) {
			int yp = y + yOffset;
			if(yp < 0 || yp >= height) continue;
			for (int x = 0; x < width; x++) {
				int xp = x + xOffset;
				if(xp < 0 || xp >= width) continue;
				pixels[xp +  yp * width] = Sprite.grass.pixels[(x & 15) + (y & 15) * Sprite.grass.SIZE];
			}
		}
	}