DominoTest.java

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 * Copyright (c) 2011, Daniel Murphy
 * All rights reserved.
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 *       documentation and/or other materials provided with the distribution.
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 *       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
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package org.jbox2d.gwt.showcase.client.example;

import org.jbox2d.collision.shapes.PolygonShape;
import org.jbox2d.common.Vec2;
import org.jbox2d.dynamics.Body;
import org.jbox2d.dynamics.BodyDef;
import org.jbox2d.dynamics.BodyType;
import org.jbox2d.dynamics.FixtureDef;
import org.jbox2d.gwt.showcase.client.framework.BaseExample;

public class DominoTest extends BaseExample{
	
    public void initTest() {
        { // Floor
        	FixtureDef fd = new FixtureDef();
            PolygonShape sd = new PolygonShape();
            sd.setAsBox(50.0f, 10.0f);
            fd.shape = sd;

            BodyDef bd = new BodyDef();
            bd.position = new Vec2(0.0f, -10.0f);
            m_world.createBody(bd).createFixture(fd);
            
        }

        { // Platforms
            for (int i = 0; i < 4; i++) {
            	FixtureDef fd = new FixtureDef();
            	PolygonShape sd = new PolygonShape();
                sd.setAsBox(15.0f, 0.125f);
                fd.shape = sd;

                BodyDef bd = new BodyDef();
                bd.position = new Vec2(0.0f, 5f + 5f * i);
                m_world.createBody(bd).createFixture(fd);
            }
        }

        {
        	FixtureDef fd = new FixtureDef();
        	PolygonShape sd = new PolygonShape();
            sd.setAsBox(0.125f, 2f);
            fd.shape = sd;
            fd.density = 25.0f;

            BodyDef bd = new BodyDef();
            bd.type = BodyType.DYNAMIC;
            float friction = .5f;
            int numPerRow = 25;

            for (int i = 0; i < 4; ++i) {
                for (int j = 0; j < numPerRow; j++) {
                    fd.friction = friction;
                    bd.position = new Vec2(-14.75f + j
                            * (29.5f / (numPerRow - 1)), 7.3f + 5f * i);
                    if (i == 2 && j == 0) {
                        bd.angle = -0.1f;
                        bd.position.x += .1f;
                    }
                    else if (i == 3 && j == numPerRow - 1) {
                        bd.angle = .1f;
                        bd.position.x -= .1f;
                    }
                    else
                        bd.angle = 0f;
                    Body myBody = m_world.createBody(bd);
                    myBody.createFixture(fd);
                }
            }
        }
    }

    @Override
    public String getTestName() {
    	return "Dominos";
    }
}