public void overrender(Graphics g, Camera camera) {

		int x0 = camera.x >> 4;
		int x1 = (camera.x + camera.width + 16) >> 4;
		int y0 = camera.y >> 4;
		int y1 = (camera.y + camera.height + 16) >> 4;
		for (int y = y0; y < y1; y++) {
			for (int x = x0; x < x1; x++) {
				if (x >= 0 && y >= 0 && x < width && y < height) {
					if (OverTiles[x][y]) {
						world[x][y].overrender(x, y, g);

					}
				}
			}
		}
	}