CPGreyBmp makeHorizLinesTexture(int lineSize, int size) {
		CPGreyBmp texture = new CPGreyBmp(size, size);
		for (int i = 0; i < size * size; i++) {
			if (i / size >= lineSize) {
				texture.data[i] = (byte) 255;
			}
		}
		return texture;
	}