public void emit() {
for (int i = 1; i <= emitNum; i++) {
Particle x = new Particle(loc.x, loc.y, 0, null);
if (images != null) {
x.setImage(images[(int) randomP(images.length)]);
} else {
x.setImage(null);
}
double temp = angle2 - angle1;
double newAngle = (((rnd.nextDouble() * temp) + angle1) * Math.PI / 180);
if (randomV) {
x.setVel(
randomP(xSpeed) * FastMath.cos(newAngle), randomP(ySpeed) * FastMath.sin(newAngle), 0);
} else {
x.setVel(xSpeed * FastMath.cos(newAngle), ySpeed * FastMath.sin(newAngle), 0);
}
x.setFade(fade);
x.setFadeRate(fadeRate);
x.setLoc(loc.x + random(spreadX), loc.y + random(spreadY), 0);
x.setAcc(xAcc, yAcc, 0);
x.setMaxAge(maxAge);
x.setMaxSize(maxSize);
x.setSize(size);
x.setAgeRate(ageRate);
x.setGrowthRate(growthRate);
x.setBlink(blink);
x.setColor(color);
x.setMaxSpeed(new Vector3D(maxXSpeed, maxYSpeed, 0));
particleManager.addParticle(x);
}
}
private void killPlayer() {
player.removeFromParent();
player.getControl(PlayerControl.class).reset();
player.setUserData("alive", false);
player.setUserData("dieTime", System.currentTimeMillis());
enemyNode.detachAllChildren();
blackHoleNode.detachAllChildren();
particleManager.playerExplosion(player.getLocalTranslation());
if (!hud.removeLife()) {
hud.endGame();
gameOver = true;
}
}
private void handleCollisions() {
// should the player die?
for (int i = 0; i < enemyNode.getQuantity(); i++) {
if ((Boolean) enemyNode.getChild(i).getUserData("active")) {
if (checkCollision(player, enemyNode.getChild(i))) {
killPlayer();
}
}
}
// should an enemy die?
int i = 0;
while (i < enemyNode.getQuantity()) {
int j = 0;
while (j < bulletNode.getQuantity()) {
if (checkCollision(enemyNode.getChild(i), bulletNode.getChild(j))) {
// add points depending on the type of enemy
if (enemyNode.getChild(i).getName().equals("Seeker")) {
hud.addPoints(2);
hud.addEmp();
} else if (enemyNode.getChild(i).getName().equals("Wanderer")) {
hud.addPoints(1);
hud.addEmp();
}
particleManager.enemyExplosion(enemyNode.getChild(i).getLocalTranslation());
enemyNode.detachChildAt(i);
bulletNode.detachChildAt(j);
sound.explosion();
break;
}
j++;
}
i++;
}
// is something colliding with a black hole?
for (i = 0; i < blackHoleNode.getQuantity(); i++) {
Spatial blackHole = blackHoleNode.getChild(i);
if ((Boolean) blackHole.getUserData("active")) {
// player
if (checkCollision(player, blackHole)) {
killPlayer();
}
// enemies
int j = 0;
while (j < enemyNode.getQuantity()) {
if (checkCollision(enemyNode.getChild(j), blackHole)) {
particleManager.enemyExplosion(enemyNode.getChild(j).getLocalTranslation());
enemyNode.detachChildAt(j);
}
j++;
}
// bullets
j = 0;
while (j < bulletNode.getQuantity()) {
if (checkCollision(bulletNode.getChild(j), blackHole)) {
bulletNode.detachChildAt(j);
blackHole.getControl(BlackHoleControl.class).wasShot();
particleManager.blackHoleExplosion(blackHole.getLocalTranslation());
if (blackHole.getControl(BlackHoleControl.class).isDead()) {
blackHoleNode.detachChild(blackHole);
sound.explosion();
}
}
j++;
}
}
}
}
public void loop(final float theDeltaTime) {
_myParticleManager.loop();
}
