/** Initialize game model (GameWorld) and game view (GameWorldView), add enemies to game. */
private void initializeGame() {
gameWorld.initialize();
gameWorldView.initialize();
gameWorld
.getEnemies()
.forEach(
enemyActor -> gameWorldView.addActorView(new EnemyActorViewController(enemyActor)));
}
/**
* Handle detect collision.
*
* <p>Firstly when enemyActor has collision with bound of strip or with obstacles i must change
* him movement direction.
*
* <p>Secondly when playerActor has collision with bound of strip or with obstacle i don't change
* him position.
*
* <p>Thirdly when enemyActor has collision with enemyActor i must kill playerActor and stopped
* game.
*
* <p>Fourthly when enemyActor has collision with explosion i must kill him.
*
* <p>Fifthly when playerActor has collision with explosion i must kill him and stopped game.
*/
private void handleCollision() {
gameWorld
.getEnemies()
.forEach(
enemyActor -> {
Set<ApexPosition> apexPositionSet = gameWorld.getLevel().getAllObstaclesPositions();
if (apexPositionSet.contains(enemyActor.getNextPosition())) {
LOG.debug("Collision detected");
enemyActor.movementVector.setOppositeDirection();
}
});
}
/**
* @param apexPosition center position of explosion
* @param x one of coordinates of explosion direction
* @param y one of coordinates of explosion direction
* @return Set of apex position which contains in explosion direction
*/
private Set<ApexPosition> addRangeExplosionInOneDirection(
@NotNull final ApexPosition apexPosition, final int x, final int y) {
Set<ApexPosition> apexPositionSet = new HashSet<>();
for (int k = 0; k <= RANGE_OF_EXPLOSION; k++) {
ApexPosition apexPosition1 =
new ApexPosition(apexPosition.getX() + k * x, apexPosition.getY() + k * y);
if (gameWorld.getLevel().immutableObstacleMap.containsKey(apexPosition1)) break;
else apexPositionSet.add(apexPosition1);
}
return apexPositionSet;
}
/**
* Destroy all object in range of explosion.
*
* @param bomb this is exploding
*/
private void handleExplosion(@NotNull final Bomb bomb) {
LOG.debug("handle explosion on apexPosition = " + bomb.getPosition().toString());
Set<ApexPosition> apexPositionSet = setRangeOfExplosion(bomb.getPosition());
apexPositionSet.forEach(
apexPosition1 -> {
if (gameWorld.getLevel().mutableObstacleMap.containsKey(apexPosition1))
gameWorld.getLevel().mutableObstacleMap.get(apexPosition1).destroy();
else {
gameWorld
.getEnemies()
.forEach(
enemyActor -> {
if (enemyActor.getPosition().equals(apexPosition1)) {
enemyActor.destroy();
gameWorld.removeEnemy(enemyActor);
}
});
}
});
gameWorld.bombs.remove(bomb);
}
/** Update model and view. After that handle collision. */
public void update() {
gameWorld.update();
gameWorldView.update();
handleCollision();
}