//in the explosion direction
private float ExplodeInDirection(Vector3 origin, Vector3 direction, float distance)
{
if (distance <= 0.0f)
{
return(0); //returns 0 if distance is less or equal to 0.0f
}
RaycastHit hit; //check if raycast hits anything
if (!Physics.Raycast(origin, direction, out hit, distance)) // cast a raycast to check if it does not hits anything, if it does not, then it only returns the distance the ray was cast in.
{
return(distance); //retrns the distance if it does not hit anything.
}
//if the raycast hits an object then the object is assigned to hit.colider.gameObject.
GameObject obj = hit.collider.gameObject; // assigning obj to hit.colider.gameObject
Vector3 pos = obj.transform.position; // and assigning pos to obj.transform.position
if (obj.tag == "Crate") // check it obj is with the tag Crate, if it is then GetComponent to Crate class, destroy obj
{
Crate crate = obj.GetComponent <Crate>(); // assigning crate to obj.transform.position;
crate.OnExplode();
Destroy(obj); //destroy the object with the "Crate" tag
return((origin - pos).magnitude); // Return the distance to the crate (the crate will absorb the explosion so things behind it wont be hit)
}
else if (obj.tag == "Player" || obj.tag == "PowerUp") // check if object is Player or PowerUp
{
if (obj.tag == "Player")
{
AudioSource.PlayClipAtPoint(MenDieSound, Camera.main.transform.position); //if it is player then play this audio when the player is destroied.
}
Destroy(obj); //destroy the object if it is a Player or PowerUp
return((origin - pos).magnitude + this.ExplodeInDirection(pos, direction, distance - (origin - pos).magnitude)); // Test how much further we can explode
}
else if (obj.tag == "Bomb") // check if object is a bomb
{
Bomb bomb = obj.GetComponent <Bomb>(); // get bomb class
bomb.Explode(); //instead of destroing the bomb, then it starts its explosion function instead
return((origin - pos).magnitude + this.ExplodeInDirection(pos, direction, distance - (origin - pos).magnitude)); // Test how much further we can explode
}
else // We must have hit a Wall
{
return((origin - pos).magnitude - LevelGenerator.gameUnit); // Return the distance to the position before the wall (the wall can't explode)
}
}
