/*******************************************************************************
* Copyright (c) 2013, Daniel Murphy
* All rights reserved.
*
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* 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.
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package org.jbox2d.testbed.tests;
import org.jbox2d.collision.shapes.CircleShape;
import org.jbox2d.collision.shapes.EdgeShape;
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.testbed.framework.TestbedSettings;
import org.jbox2d.testbed.framework.TestbedTest;
public class ConfinedTest extends TestbedTest {
int e_columnCount = 0;
int e_rowCount = 0;
@Override
public boolean isSaveLoadEnabled() {
return true;
}
@Override
public String getTestName() {
return "Confined";
}
@Override
public void initTest(boolean argDeserialized) {
if(argDeserialized){
return;
}
{
BodyDef bd = new BodyDef();
Body ground = getWorld().createBody(bd);
EdgeShape shape = new EdgeShape();
// Floor
shape.set(new Vec2(-10.0f, 0.0f), new Vec2(10.0f, 0.0f));
ground.createFixture(shape, 0.0f);
// Left wall
shape.set(new Vec2(-10.0f, 0.0f), new Vec2(-10.0f, 20.0f));
ground.createFixture(shape, 0.0f);
// Right wall
shape.set(new Vec2(10.0f, 0.0f), new Vec2(10.0f, 20.0f));
ground.createFixture(shape, 0.0f);
// Roof
shape.set(new Vec2(-10.0f, 20.0f), new Vec2(10.0f, 20.0f));
ground.createFixture(shape, 0.0f);
}
float radius = 0.5f;
CircleShape shape = new CircleShape();
shape.m_p.setZero();
shape.m_radius = radius;
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.density = 1.0f;
fd.friction = 0.1f;
for (int j = 0; j < e_columnCount; ++j)
{
for (int i = 0; i < e_rowCount; ++i)
{
BodyDef bd = new BodyDef();
bd.type = BodyType.DYNAMIC;
bd.position.set(-10.0f + (2.1f * j + 1.0f + 0.01f * i) * radius, (2.0f * i + 1.0f) * radius);
Body body = getWorld().createBody(bd);
body.createFixture(fd);
}
}
getWorld().setGravity(new Vec2(0.0f, 0.0f));
}
public void createCircle()
{
float radius = 2.0f;
CircleShape shape = new CircleShape();
shape.m_p.setZero();
shape.m_radius = radius;
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.density = 1.0f;
fd.friction = 0.0f;
Vec2 p = new Vec2((float)Math.random(), 3.0f + (float)Math.random());
BodyDef bd = new BodyDef();
bd.type = BodyType.DYNAMIC;
bd.position = p;
//bd.allowSleep = false;
Body body = getWorld().createBody(bd);
body.createFixture(fd);
}
@Override
public void step(TestbedSettings settings) {
super.step(settings);
for (Body b = getWorld().getBodyList(); b != null; b = b.getNext())
{
if (b.getType() != BodyType.DYNAMIC)
{
continue;
}
Vec2 p = b.getPosition();
if (p.x <= -10.0f || 10.0f <= p.x || p.y <= 0.0f || 20.0f <= p.y)
{
p.x += 0.0;
}
}
addTextLine("Press 'c' to create a circle");
}
@Override
public void keyPressed(char argKeyChar, int argKeyCode) {
switch(argKeyChar){
case 'c':
createCircle();
break;
}
}
}