/** spawns a pickup for every enemy marked as "should spawn a pickup" */
private void spawnPickups() {
for (IEnemy enemy : enemyManager.getEnemies()) {
if (enemy.shouldSpawnPickup()) {
pickupManager.addPickup(
new WeaponPickup(enemy.getShip().getPositionClone(), enemy.getWeapon().getName()));
}
}
}
private void checkCollisions() {
final List<IBullet> playerBullets = bulletManager.getBulletsFrom(PlayerID.PLAYER1);
final List<IBullet> enemyBullets = bulletManager.getBulletsFrom(PlayerID.ENEMY);
// Check player bullets against enemies
for (IBullet b : playerBullets) {
for (IEnemy e : enemyManager.getEnemies()) {
if (b.collidesWith(e.getShip())) {
e.getShip().receiveDamage(b.getDamage());
pcs.firePropertyChange(Constants.EVENT_ENEMY_DAMAGED, null, e.getShip());
b.markForRemoval();
}
}
}
// Check enemy bullets against player
if (!player.isInvincible()) {
for (IBullet b : enemyBullets) {
if (b.collidesWith(player.getShip())) {
player.getShip().receiveDamage(b.getDamage());
pcs.firePropertyChange(Constants.EVENT_ENTITY_INVINCIBLE, null, player);
b.markForRemoval();
break;
}
}
}
// Check Items against player
for (int i = 0; i < pickupManager.getPickups().size(); i++) {
WeaponPickup wp = pickupManager.getPickups().get(i);
if (wp.collidesWith(player.getShip())) {
player.giveWeapon(WeaponFactory.getNewWeapon(wp.getObjectName()));
pickupManager.removePickup(i);
i--;
}
}
}