/*
 * Copyright (c) 2009 University of Durham, England
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'SynergySpace' nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software 
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package synergynet.table.apps.lightrays.gfxlib;

import java.awt.Color;
import java.awt.Graphics2D;

public class AnimatedBackground extends DrawableElement {
	
	private int[] ws = { 100, 30, 40,  20,  200, 50,  100, 150 };
	private int[] xs = { 0,   50, 100, 150, 300, 500, 30,  70};
	private int[] vs = { 1,   5,  2,   -4,   -3,   6,   2,   -1};
	private Color[] cs = {
			new Color(0.9f, 0.9f, 0.9f),
			new Color(0.7f, 0.7f, 0.7f),
			new Color(0.5f, 0.5f, 0.5f),
			new Color(0.8f, 0.8f, 0.8f),
			new Color(0.9f, 0.9f, 0.9f),
			new Color(0.6f, 0.6f, 0.6f),
			new Color(0.9f, 0.9f, 0.9f),
			new Color(0.5f, 0.5f, 0.5f)
	};
	
	protected int width;
	protected int height;
	
	public AnimatedBackground(int w, int h) {
		super();
		this.width = w;
		this.height = h;
	}
	
	public void draw(Graphics2D gfx, long tick_count) {		
		gfx.setComposite(getAlphaComposite());
		gfx.setColor(colour);
		gfx.fillRect(0, 0, width, height);
		

		for(int i = 0; i < xs.length; i++) {
			xs[i] = xs[i] + vs[i];
			if(xs[i] > width + ws[i])
				xs[i] = -ws[i];
			if(xs[i] + ws[i] < 0)
				xs[i] = width + ws[i];
			gfx.setColor(cs[i]);			
			gfx.fillRect(xs[i], y, ws[i], height);
			
		}
		
	}

}
