/// <summary>
/// Checks the object spawn.
/// </summary>
protected virtual void CheckObjectSpawn()
{
//spawner will only work when the game is running
if (isGameOn)
{
if (GameManager.Instance.StateStatus != GameManager.GameStateStatus.GameRunning)
{
lastSpawnedTransform = null;
return;
}
}
//if nothing is spawned yet then first spawn
if ((lastSpawnedTransform == null) || (!lastSpawnedTransform.gameObject.activeInHierarchy))
{
DistanceObjectSpawn(transform.position + MiscTools.RandomVector3(MinGap, MaxGap));
return;
}
//if last spawned object's position is far enough away from origin then spawn next object
if (transform.InverseTransformPoint(lastSpawnedTransform.position).x < -NextSpawnDistance)
{
Vector3 spawnPosition = transform.position;
DistanceObjectSpawn(spawnPosition);
}
}
/// <summary>
/// spawns then determines next spawn position
/// </summary>
/// <param name="spawnPosition">Spawn position.</param>
protected virtual void DistanceObjectSpawn(Vector3 spawnPos)
{
//spawn object at position parsed
GameObject spawnedGameObject = spawn(spawnPos, false);
//if no spawnobject is present in hirarchy then do a fresh spawn
if (spawnedGameObject == null)
{
lastSpawnedTransform = null;
NextSpawnDistance = UnityEngine.Random.Range(MinGap.x, MaxGap.x);
return;
}
//checks for pool script attached to object
if (spawnedGameObject.GetComponent <PoolableGameObject> () == null)
{
throw new Exception(gameObject.name + " No PoolableGameObject Present");
}
//if theres a moving script attached rotate towards needed movement
if (ObjectRotatedToSpawnDirection)
{
spawnedGameObject.transform.rotation *= transform.rotation;
}
//if this is a moveingobject then move in the specified direction
if (spawnedGameObject.GetComponent <MovingGameObject> () != null)
{
spawnedGameObject.GetComponent <MovingGameObject> ().Direction = transform.rotation * Vector3.left;
}
//
if (lastSpawnedTransform != null)
{
//center object posision to spawners poisiton
spawnedGameObject.transform.position = transform.position;
//get relative X distance between spawner and object
float XDistanceBetweenSpawnerAndGameObject = transform.InverseTransformPoint(lastSpawnedTransform.position).x;
//new object is aligned with the previous one
//taking into acount the witdh of both objects
spawnedGameObject.transform.position += transform.rotation
* Vector3.right
* (XDistanceBetweenSpawnerAndGameObject
+ lastSpawnedTransform.GetComponent <PoolableGameObject> ().Size.x / 2
+ spawnedGameObject.GetComponent <PoolableGameObject> ().Size.x / 2);
//based on the values defined in the inspector clamp gap to object
spawnedGameObject.transform.position += (transform.rotation * ClampedPosition(MiscTools.RandomVector3(MinGap, MaxGap) / 2));
//if spawned object is a mooving object, tell it to move
if (spawnedGameObject.GetComponent <MovingGameObject> () != null)
{
spawnedGameObject.GetComponent <MovingGameObject> ().Move();
}
}
//tell object its spawning is finished
spawnedGameObject.GetComponent <PoolableGameObject>().TriggerOnSpawnFinished();
//decide when we should try spawning next object
NextSpawnDistance = spawnedGameObject.GetComponent <PoolableGameObject>().Size.x / 2;
//store spawned object, which will be used for next spawn
lastSpawnedTransform = spawnedGameObject.transform;
}