public void onScannedRobot(ScannedRobotEvent e) {
robotLocation = new Point2D.Double(getX(), getY());
enemyAbsoluteBearing = getHeadingRadians() + e.getBearingRadians();
enemyDistance = e.getDistance();
enemyLocation = vectorToLocation(enemyAbsoluteBearing, enemyDistance, robotLocation);
// Change direction at random
if (Math.random() < 0.015) {
movementLateralAngle *= -1;
}
move();
execute();
// radar
setTurnRadarRightRadians(
Utils.normalRelativeAngle(enemyAbsoluteBearing - getRadarHeadingRadians()) * 2);
/*
* Circular Gun from wiki
*/
double absBearing = e.getBearingRadians() + getHeadingRadians();
// Finding the heading and heading change.
double enemyHeading = e.getHeadingRadians();
double enemyHeadingChange = enemyHeading - oldEnemyHeading;
oldEnemyHeading = enemyHeading;
double deltaTime = 0;
double predictedX = getX() + e.getDistance() * Math.sin(absBearing);
double predictedY = getY() + e.getDistance() * Math.cos(absBearing);
while ((++deltaTime) * BULLET_SPEED
< Point2D.Double.distance(getX(), getY(), predictedX, predictedY)) {
// Add the movement we think our enemy will make to our enemy's current X and Y
predictedX += Math.sin(enemyHeading) * (e.getVelocity());
predictedY += Math.cos(enemyHeading) * (e.getVelocity());
// Find our enemy's heading changes.
enemyHeading += enemyHeadingChange;
// If our predicted coordinates are outside the walls, put them 18
// distance units away from the walls as we know
// that that is the closest they can get to the wall (Bots are
// non-rotating 36*36 squares).
predictedX = Math.max(Math.min(predictedX, getBattleFieldWidth() - 18), 18);
predictedY = Math.max(Math.min(predictedY, getBattleFieldHeight() - 18), 18);
}
// Find the bearing of our predicted coordinates from us.
double aim = Utils.normalAbsoluteAngle(Math.atan2(predictedX - getX(), predictedY - getY()));
// Aim and fire.
setTurnGunRightRadians(Utils.normalRelativeAngle(aim - getGunHeadingRadians()));
setFire(BULLET_POWER);
setTurnRadarRightRadians(Utils.normalRelativeAngle(absBearing - getRadarHeadingRadians()) * 2);
}
private static Point2D vectorToLocation(
double angle, double length, Point2D sourceLocation, Point2D targetLocation) {
targetLocation.setLocation(
sourceLocation.getX() + Math.sin(angle) * length,
sourceLocation.getY() + Math.cos(angle) * length);
return targetLocation;
}
public void enemyPosition(ScannedRobotEvent e, double x, double y) {
// poll subtargetters for their opinions
virtualBulletTick++;
lastEnemyScanTime = owner.getTime();
// only log it when we actually fire: the enemy may respond to that
if (owner.shouldFireShot(e)) {
double bulletPower = e.getDistance() > 500.0 ? 2.0 : 3.0;
for (int i = 0; i < numVirtualGuns; i++) {
double angle = targetters[i].target(e, bulletPower);
VirtualBullet bullet = new VirtualBullet();
bullet.targetter = i;
bullet.x = owner.getX();
bullet.y = owner.getY();
bullet.velX = Targetting.bulletSpeed(bulletPower) * Math.sin(angle);
bullet.velY = Targetting.bulletSpeed(bulletPower) * Math.cos(angle);
bullet.lastUpdateTime = lastEnemyScanTime;
virtualBullets.add(bullet);
}
}
for (int i = 0; i < numVirtualGuns; i++) {
targetters[i].enemyPosition(e, x, y);
}
enemyX = x;
enemyY = y;
}
public void onScannedRobot(ScannedRobotEvent event) {
a = Utils.normalRelativeAngle(getHeadingRadians() + event.getBearingRadians());
e = event.getEnergy();
d = event.getDistance();
x = d * Math.sin(a);
y = d * Math.cos(a);
h = event.getHeadingRadians();
dh = -Utils.normalRelativeAngle(getGunHeadingRadians() - a);
}
/**
* When scanning a robot we need to add it to the collection of scanned objects so it can be used
* later for updates to the bots movement.
*/
public void onScannedRobot(ScannedRobotEvent e) {
double targetBearing = getHeading() + e.getBearing();
double tmpX = getX() + e.getDistance() * Math.sin(Math.toRadians(targetBearing));
double tmpY = getY() + e.getDistance() * Math.cos(Math.toRadians(targetBearing));
String name = e.getName();
if (name.equals(GOAL_NAME)) {
foundGoal = true;
}
obstacles.put(name, new Enemy(tmpX, tmpY, e.getBearing()));
setTurnRadarRight(getRadarTurnRemaining());
}
/** Projects the robots location given distance and bearing */
public static Point2D.Double project(Point2D.Double source, double angle, double length) {
double x = source.x + Math.sin(angle) * length;
double y = source.y + Math.cos(angle) * length;
return new Point2D.Double(x, y);
}
