package com.codebynumber.java3d.breakout;

import java.util.Random;

import javax.media.j3d.Appearance;
import javax.media.j3d.ColoringAttributes;
import javax.media.j3d.Group;
import javax.media.j3d.Material;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Color3f;
import javax.vecmath.Vector3d;

public class Bricks extends TransformGroup {
	private float brickdepth = 0.5f;
	private float spacer = 0.5f;
	
	int numbricks;
	
	public Bricks(int numRows, Ball b) {
		super();
		for (int i = 0; i < numRows; i++) {
			float z = -((float) Breakout.length - (brickdepth + spacer) * i);
			addChild(createBlock(b, z));
		}
	}
	
	
	/**
	 * 
	 * @param b
	 * @param z
	 * @return
	 */
	private Group createBlock(Ball b, float z) {
		TransformGroup all = new TransformGroup();
		for (float x = - (float)Breakout.width/2 + 0.1f; x < (float)Breakout.width/2-0.1; x+=1.1) {
			Transform3D t3d = new Transform3D();
			t3d.setTranslation(new Vector3d(x, 0.0, z));
			TransformGroup tg = new TransformGroup(t3d);
			Appearance app = new Appearance();
			Random rand = new Random();
			ColoringAttributes ca = new ColoringAttributes(new Color3f(rand.nextFloat()-0.2f, rand.nextFloat()-0.2f,
					rand.nextFloat()-0.2f), ColoringAttributes.NICEST);
			app.setColoringAttributes(ca);
			Box box = new Box(1.0, brickdepth, brickdepth);
			box.setAppearance(app);
			box.setTransform(t3d);

			Vector3d vect = new Vector3d(1.0, 0.0, -1.0);

			Collision bump = new Collision(b, box, vect);
			bump.setSchedulingBounds(Breakout.bounds);
			tg.addChild(bump);
			tg.addChild(box);
			all.addChild(tg);
		}


		return all;
	}
}