/*******************************************************************************
* Copyright (c) 2013, Daniel Murphy
* 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.
*
* 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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* 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)
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* POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
/**
* Created at 12:32:26 AM Aug 15, 2010
*/
package org.jbox2d.testbed.tests;
import org.jbox2d.collision.Distance;
import org.jbox2d.collision.TimeOfImpact;
import org.jbox2d.collision.shapes.CircleShape;
import org.jbox2d.collision.shapes.EdgeShape;
import org.jbox2d.collision.shapes.PolygonShape;
import org.jbox2d.collision.shapes.Shape;
import org.jbox2d.common.Vec2;
import org.jbox2d.dynamics.Body;
import org.jbox2d.dynamics.BodyDef;
import org.jbox2d.dynamics.BodyType;
import org.jbox2d.dynamics.Fixture;
import org.jbox2d.testbed.framework.TestbedSettings;
import org.jbox2d.testbed.framework.TestbedTest;
/**
* @author Daniel Murphy
*/
public class ContinuousTest extends TestbedTest {
Body m_body;
Fixture currFixture;
PolygonShape m_poly;
CircleShape m_circle;
Shape nextShape = null;
boolean polygon = false;
float m_angularVelocity;
@Override
public String getTestName() {
return "Continuous";
}
public void switchObjects() {
if (polygon) {
nextShape = m_circle;
} else {
nextShape = m_poly;
}
polygon = !polygon;
}
@Override
public void initTest(boolean argDeserialized) {
{
BodyDef bd = new BodyDef();
bd.position.set(0.0f, 0.0f);
Body body = getWorld().createBody(bd);
EdgeShape shape = new EdgeShape();
shape.set(new Vec2(-10.0f, 0.0f), new Vec2(10.0f, 0.0f));
body.createFixture(shape, 0.0f);
PolygonShape pshape = new PolygonShape();
pshape.setAsBox(0.2f, 1.0f, new Vec2(0.5f, 1.0f), 0.0f);
body.createFixture(pshape, 0.0f);
}
m_poly = new PolygonShape();
m_poly.setAsBox(2.0f, 0.1f);
m_circle = new CircleShape();
m_circle.m_p.setZero();
m_circle.m_radius = 0.5f;
BodyDef bd = new BodyDef();
bd.type = BodyType.DYNAMIC;
bd.position.set(0.0f, 20.0f);
m_body = getWorld().createBody(bd);
currFixture = m_body.createFixture(m_poly, 1.0f);
m_angularVelocity = (float) Math.random() * 100 - 50;
m_angularVelocity = 33.468121f;
m_body.setLinearVelocity(new Vec2(0.0f, -100.0f));
m_body.setAngularVelocity(m_angularVelocity);
TimeOfImpact.toiCalls = 0;
TimeOfImpact.toiIters = 0;
TimeOfImpact.toiMaxIters = 0;
TimeOfImpact.toiRootIters = 0;
TimeOfImpact.toiMaxRootIters = 0;
}
public void launch() {
m_body.setTransform(new Vec2(0.0f, 20.0f), 0.0f);
m_angularVelocity = (float) Math.random() * 100 - 50;
m_body.setLinearVelocity(new Vec2(0.0f, -100.0f));
m_body.setAngularVelocity(m_angularVelocity);
}
@Override
public void step(TestbedSettings settings) {
if (nextShape != null) {
m_body.destroyFixture(currFixture);
currFixture = m_body.createFixture(nextShape, 1f);
nextShape = null;
}
// if (stepCount == 12){
// stepCount += 0;
// } what is this?
super.step(settings);
if (Distance.GJK_CALLS > 0) {
addTextLine(String.format("gjk calls = %d, ave gjk iters = %3.1f, max gjk iters = %d",
Distance.GJK_CALLS, Distance.GJK_ITERS * 1. / Distance.GJK_CALLS, Distance.GJK_MAX_ITERS));
}
if (TimeOfImpact.toiCalls > 0) {
int toiCalls = TimeOfImpact.toiCalls;
int toiIters = TimeOfImpact.toiIters;
int toiMaxIters = TimeOfImpact.toiMaxIters;
int toiRootIters = TimeOfImpact.toiRootIters;
int toiMaxRootIters = TimeOfImpact.toiMaxRootIters;
addTextLine(String.format("toi calls = %d, ave toi iters = %3.1f, max toi iters = %d",
toiCalls, toiIters * 1. / toiCalls, toiMaxIters));
addTextLine(String.format("ave toi root iters = %3.1f, max toi root iters = %d", toiRootIters
* 1. / toiCalls, toiMaxRootIters));
}
addTextLine("Press 'c' to change launch shape");
if (getStepCount() % 60 == 0) {
launch();
}
}
@Override
public void keyPressed(char argKeyChar, int argKeyCode) {
switch (argKeyChar) {
case 'c':
switchObjects();
break;
}
}
}