/*******************************************************************************
* Copyright (c) 2001, 2010 Mathew A. Nelson and Robocode contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://robocode.sourceforge.net/license/epl-v10.html
*
* Contributors:
* Pavel Savara
* - Initial implementation
* Flemming N. Larsen
* - Updated to handle new deceleration
* - Check for distance moved is checked against velocity
*******************************************************************************/
package net.sf.robocode.test.robots;
import net.sf.robocode.test.helpers.Assert;
import net.sf.robocode.test.helpers.RobocodeTestBed;
import org.junit.Test;
import robocode.control.events.TurnEndedEvent;
import robocode.control.snapshot.IRobotSnapshot;
import robocode.control.snapshot.ITurnSnapshot;
/**
* @author Pavel Savara (original)
* @author Flemming N. Larsen (contributor)
*/
public class TestAcceleration extends RobocodeTestBed {
private double[] startX = new double[3];
private double[] startY = new double[3];
@Test
public void run() {
super.run();
}
@Override
public String getRobotNames() {
return "tested.robots.DecelerationCaveat1,tested.robots.DecelerationCaveat2,tested.robots.DecelerationCaveat3";
}
@Override
public String getInitialPositions() {
return "(50,50,0), (100,50,0), (150,50,0)"; // Make sure the robots do not collide!
}
@Override
public void onTurnEnded(TurnEndedEvent event) {
super.onTurnEnded(event);
IRobotSnapshot caveat1 = event.getTurnSnapshot().getRobots()[0];
IRobotSnapshot caveat2 = event.getTurnSnapshot().getRobots()[1];
IRobotSnapshot caveat3 = event.getTurnSnapshot().getRobots()[2];
switch (event.getTurnSnapshot().getTurn()) {
case 1:
resetStartPositions(event.getTurnSnapshot());
Assert.assertNear(1, caveat1.getVelocity());
Assert.assertNear(1, caveat2.getVelocity());
Assert.assertNear(1, caveat3.getVelocity());
Assert.assertNear(1 - 1, distance(0, caveat1));
Assert.assertNear(1 - 1, distance(1, caveat2));
Assert.assertNear(1 - 1, distance(2, caveat3));
break;
case 2:
Assert.assertNear(2, caveat1.getVelocity());
Assert.assertNear(2, caveat2.getVelocity());
Assert.assertNear(2, caveat3.getVelocity());
Assert.assertNear(3 - 1, distance(0, caveat1));
Assert.assertNear(3 - 1, distance(1, caveat2));
Assert.assertNear(3 - 1, distance(2, caveat3));
break;
case 3:
Assert.assertNear(3, caveat1.getVelocity());
Assert.assertNear(3, caveat2.getVelocity());
Assert.assertNear(3, caveat3.getVelocity());
Assert.assertNear(6 - 1, distance(0, caveat1));
Assert.assertNear(6 - 1, distance(1, caveat2));
Assert.assertNear(6 - 1, distance(2, caveat3));
break;
case 4:
Assert.assertNear(4, caveat1.getVelocity());
Assert.assertNear(4, caveat2.getVelocity());
Assert.assertNear(4, caveat3.getVelocity());
Assert.assertNear(10 - 1, distance(0, caveat1));
Assert.assertNear(10 - 1, distance(1, caveat2));
Assert.assertNear(10 - 1, distance(2, caveat3));
break;
case 5:
Assert.assertNear(5, caveat1.getVelocity());
Assert.assertNear(5, caveat2.getVelocity());
Assert.assertNear(5, caveat3.getVelocity());
Assert.assertNear(15 - 1, distance(0, caveat1));
Assert.assertNear(15 - 1, distance(1, caveat2));
Assert.assertNear(15 - 1, distance(2, caveat3));
break;
case 6:
Assert.assertNear(6, caveat1.getVelocity());
Assert.assertNear(6, caveat2.getVelocity());
Assert.assertNear(6, caveat3.getVelocity());
Assert.assertNear(21 - 1, distance(0, caveat1));
Assert.assertNear(21 - 1, distance(1, caveat2));
Assert.assertNear(21 - 1, distance(2, caveat3));
break;
case 7:
Assert.assertNear(7, caveat1.getVelocity());
Assert.assertNear(7, caveat2.getVelocity());
Assert.assertNear(7, caveat3.getVelocity());
Assert.assertNear(28 - 1, distance(0, caveat1));
Assert.assertNear(28 - 1, distance(1, caveat2));
Assert.assertNear(28 - 1, distance(2, caveat3));
break;
case 8:
Assert.assertNear(8, caveat1.getVelocity());
Assert.assertNear(8, caveat2.getVelocity());
Assert.assertNear(8, caveat3.getVelocity());
Assert.assertNear(36 - 1, distance(0, caveat1));
Assert.assertNear(36 - 1, distance(1, caveat2));
Assert.assertNear(36 - 1, distance(2, caveat3));
resetStartPositions(event.getTurnSnapshot());
break;
case 9:
Assert.assertNear(8, caveat1.getVelocity());
Assert.assertNear(8, caveat2.getVelocity());
Assert.assertNear(6, caveat3.getVelocity()); // Caveat 3 (max. speed is set to 6)
Assert.assertNear(8, distance(0, caveat1));
Assert.assertNear(8, distance(1, caveat2));
resetStartPositions(event.getTurnSnapshot());
break;
case 10:
Assert.assertNear(caveat1.getVelocity(), distance(0, caveat1));
Assert.assertNear(caveat2.getVelocity(), distance(1, caveat2));
resetStartPositions(event.getTurnSnapshot());
break;
case 11:
Assert.assertNear(caveat1.getVelocity(), distance(0, caveat1));
Assert.assertNear(caveat2.getVelocity(), distance(1, caveat2));
resetStartPositions(event.getTurnSnapshot());
break;
case 12:
Assert.assertNear(caveat1.getVelocity(), distance(0, caveat1));
Assert.assertNear(caveat2.getVelocity(), distance(1, caveat2));
resetStartPositions(event.getTurnSnapshot());
break;
case 13:
Assert.assertNear(caveat1.getVelocity(), distance(0, caveat1)); // Caveat 1 (distance should be = velocity)
Assert.assertNear(caveat2.getVelocity(), distance(1, caveat2));
resetStartPositions(event.getTurnSnapshot());
break;
case 14:
Assert.assertNear(0, caveat1.getVelocity());
Assert.assertNear(0, caveat2.getVelocity());
Assert.assertNear(0, distance(1, caveat2)); // Caveat 2 (distance should be 0)
break;
}
}
private void resetStartPositions(ITurnSnapshot turnSnapshot) {
for (int i = 0; i < 3; i++) {
IRobotSnapshot robot = turnSnapshot.getRobots()[i];
startX[i] = robot.getX();
startY[i] = robot.getY();
}
}
private double distance(int index, IRobotSnapshot robotSnapshot) {
return Math.hypot(robotSnapshot.getX() - startX[index], robotSnapshot.getY() - startY[index]);
}
}