/// <summary>
/// When the create asteroid signal is broadcast, set up an asteroid at a particular location
/// </summary>
/// <param name="signal"></param>
/// <returns></returns>
private bool OnCreateAsteroidSignal(CreateAsteroidSignal signal)
{
signal.position.x = Mathf.Clamp(signal.position.x, bounds.xMin, bounds.xMax);
signal.position.y = Mathf.Clamp(signal.position.y, bounds.yMin, bounds.yMax);
var asteroid = GameObject.Instantiate <Asteroid>(asteroidPrefab, signal.position, Quaternion.identity, this.transform);
asteroid.Size = signal.size;
asteroid.Bounds = bounds;
return(true);
}
void Awake()
{
_cachedTransform = this.transform;
_axis = new Vector3(Random.Range(0, 360), Random.Range(0, 360), Random.Range(0, 360));
var speed = Random.Range(minMaxSpeed.x, minMaxSpeed.y);
var radAngle = Random.Range(0, 360f) * Mathf.Deg2Rad;
_direction = new Vector3(Mathf.Cos(radAngle), Mathf.Sin(radAngle), 0) * speed;
// cache the create asteroid signal so that we don't have to keep recreating it
_createAsteroidSignal = new CreateAsteroidSignal();
}
/// <summary>
/// When the reset signal is broadcast, destroy all the asteroids, then
/// create new ones
/// </summary>
/// <param name="signal"></param>
/// <returns></returns>
private bool OnResetGameSignal(ResetGameSignal signal)
{
var asteroids = GetComponentsInChildren <Asteroid>();
foreach (var asteroid in asteroids)
{
Destroy(asteroid.gameObject);
}
CreateAsteroidSignal create = new CreateAsteroidSignal();
for (var i = 0; i < asteroidCount; i++)
{
var spawnRadius = Random.Range(minMaxSpawnRadius.x, minMaxSpawnRadius.y);
var spawnAngle = Random.Range(0, 360f) * Mathf.Deg2Rad;
create.position = new Vector3(Mathf.Cos(spawnAngle), Mathf.Sin(spawnAngle), 0) * spawnRadius;
create.size = Asteroid.AsteroidSize.Large;
OnCreateAsteroidSignal(create);
}
return(true);
}
