public static void spikeDraw(int start, Color color1, Color color2,
			double[] x, double[] y) {
		int count = 0;
//		if (start == 1){
//			count = -1;
//		}
		while (count < 3) {
			if (start == 0) {
				StdDraw.setPenColor(color1);
				StdDraw.filledPolygon(x, y);
				for (int i = 0; i < x.length; i++) {
					x[i] = x[i] + 0.5;
				}
				start = 1;
			}
			if (start == 1) {
				StdDraw.setPenColor(color2);
				StdDraw.filledPolygon(x, y);
				for (int i = 0; i < x.length; i++) {
					x[i] = x[i] + 0.5;
				}
				start = 0;
			}
			count++;
		}
	}