/// <summary>
/// This method gets called when a collision occurs
/// that this object observes (subscribes to)
/// </summary>
/// <param name="collisionName"></param>
public void OnCollisionNotified(CollisionPairEvaluator.Name collisionName)
{
// Assuming Wall_vs_UFO or PlayerLaser_vs_UFO (either way, the UFO died)
// It no longer has a UFO reference
this.ufoReference = null;
if (collisionName == CollisionPairEvaluator.Name.PlayerLaser_vs_UFO)
{
// Award points
GameSessionData.Active.AddScore(this.ChooseRandomScore());
}
}
//
// Constructors
//
public UFOCoordinator() : base()
{
this.SetName(Name.UFOCoordinator);
this.Collider.Color = Colors.Yellow;
this.SetPosition(-30.0f, UFOCoordinator.SpawnY);
this.ufoLaunchEvent = null;
this.ufoReference = null;
// Load the UFO sounds
this.sndUfo = AudioSourceManager.Self.Find(AudioSource.Name.UFOBeep);
this.sndUfoDeath = AudioSourceManager.Self.Find(AudioSource.Name.DeathUFO);
// Initialize possible points table
this.possiblePoints = new int[NUM_POINT_ENTIRES];
this.possiblePoints[0] = 50;
this.possiblePoints[1] = 100;
this.possiblePoints[2] = 150;
this.possiblePoints[3] = 300;
}
/// <summary>
/// Create a new UFO, does NOT schedule anything
/// </summary>
private void SpawnNewUFO()
{
// Decide randomly whether to spawn the UFO left or right
HorizontalDirection.Name leftOrRight = HorizontalDirection.ConvertFromInt(Randomizer.RandomRange(0, 2));
float xSpawn = 0.0f;
if (leftOrRight == HorizontalDirection.Name.Left)
{
xSpawn = UFOCoordinator.SpawnLeftX;
}
else
{
xSpawn = UFOCoordinator.SpawnRightX;
}
// Create the UFO
UFO ufo = new UFO(xSpawn, UFOCoordinator.SpawnY, leftOrRight, this.sndUfo, this.sndUfoDeath);
this.AddChild(ufo);
GameObjectManager.Active.Attach(ufo);
// Keep a reference
ufoReference = ufo;
}
