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/*******************************************************************************
* Copyright (c) 2001, 2008 Mathew A. Nelson and Robocode contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://robocode.sourceforge.net/license/cpl-v10.html
*
* Contributors:
* Mathew A. Nelson
* - Initial implementation
* Flemming N. Larsen
* - Maintainance
*******************************************************************************/
package sample;
import robocode.HitByBulletEvent;
import robocode.HitRobotEvent;
import robocode.Robot;
import robocode.ScannedRobotEvent;
import java.awt.*;
/**
* Fire - a sample robot by Mathew Nelson, and maintained by Flemming N. Larsen
* <p/>
* Sits still. Spins gun around. Moves when hit.
*/
public class Fire extends Robot {
int dist = 50; // distance to move when we're hit
/**
* run: Fire's main run function
*/
public void run() {
// Set colors
setBodyColor(Color.orange);
setGunColor(Color.orange);
setRadarColor(Color.red);
setScanColor(Color.red);
setBulletColor(Color.red);
// Spin the gun around slowly... forever
while (true) {
turnGunRight(5);
}
}
/**
* onScannedRobot: Fire!
*/
public void onScannedRobot(ScannedRobotEvent e) {
// If the other robot is close by, and we have plenty of life,
// fire hard!
if (e.getDistance() < 50 && getEnergy() > 50) {
fire(3);
} // otherwise, fire 1.
else {
fire(1);
}
// Call scan again, before we turn the gun
scan();
}
/**
* onHitByBullet: Turn perpendicular to the bullet, and move a bit.
*/
public void onHitByBullet(HitByBulletEvent e) {
turnRight(normalRelativeAngle(90 - (getHeading() - e.getHeading())));
ahead(dist);
dist *= -1;
scan();
}
/**
* onHitRobot: Aim at it. Fire Hard!
*/
public void onHitRobot(HitRobotEvent e) {
double turnGunAmt = normalRelativeAngle(e.getBearing() + getHeading() - getGunHeading());
turnGunRight(turnGunAmt);
fire(3);
}
/**
* normalRelativeAngle: Returns angle such that -180 < angle <= 180
*/
public double normalRelativeAngle(double angle) {
if (angle > -180 && angle <= 180) {
return angle;
}
double fixedAngle = angle;
while (fixedAngle <= -180) {
fixedAngle += 360;
}
while (fixedAngle > 180) {
fixedAngle -= 360;
}
return fixedAngle;
}
}
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