/// <summary>
/// Shatters the object into smaller pieces
/// Spawn new game object instances and sends them flying away from the force
/// </summary>
/// <param name="explosionPos">Position of the explosion origin</param>
/// <param name="power"> Power of the explosion force</param>
/// <param name="upwardsForce">Additive power added upwards during explosion</param>
public void Shatter(Vector3 explosionPos, float power, float upwardsForce)
{
if (shattered || !canShatter)
{
return;
}
shattered = true;
//Instantiate new objects
List <GameObject> newObjects = new List <GameObject>();
for (int e = 0; e < pieceObjects.Length; e++)
{
var newObject = Instantiate(pieceObjects[e]);
//Set the position showed by the gizmos
if (pieceSpawnLocations.Length >= e)
{
Vector3 localPosition = (this.transform.right * pieceSpawnLocations[e].x) + (this.transform.up * pieceSpawnLocations[e].y);
newObject.transform.position = this.transform.position +
new Vector3(
localPosition.x,
localPosition.y,
0.0f);
//if(newObject.name.ToLower().Contains("wood"))
//print(newObject.transform.position + " " + localPosition);
//newObject.transform.localRotation = this.transform.localRotation;
//this.transform.right
}
newObjects.Add(newObject);
}
Destroy(this.gameObject);
//Add explosion force to new objects
foreach (var newObject in newObjects)
{
Rigidbody2D rb = newObject.GetComponent <Rigidbody2D>();
if (rb != null)
{
//print(explosionPos);
//if (newObject.name.ToLower().Contains("wood"))
// print(explosionPos + " " + newObject.transform.position);
Vector2 force = UtilityLibrary.CalculateExplosionForce(explosionPos, newObject.transform.position, power, upwardsForce);
rb.AddForce(force, ForceMode2D.Impulse);
}
}
}
private IEnumerator Explode()
{
yield return(new WaitForSeconds(delay));
Vector3 explosionPos = this.transform.position;
//Spawn explosion animation
//Probably not the right way to do this
if (explosion != null)
{
Instantiate(explosion, explosionPos, Quaternion.identity);
}
Collider2D[] destroyColliders = Physics2D.OverlapCircleAll(explosionPos, destroyRadius);
foreach (Collider2D hit in destroyColliders)
{
Rigidbody2D rb = hit.GetComponent <Rigidbody2D>();
if (rb != null)
{
Destroy(hit.transform.gameObject);
}
}
//Remove hitpoints on these
Collider2D[] damageColliders = Physics2D.OverlapCircleAll(explosionPos, damageRadius);
foreach (Collider2D hit in damageColliders)
{
if (hit.gameObject.tag.Contains("ShatteringObject"))
{
var shatteringObject = hit.gameObject.GetComponent <ShatteringObject>();
if (shatteringObject != null)
{
//Remove hitpoints
shatteringObject.hitpoints--;
if (shatteringObject.hitpoints <= 0)
{
shatteringObject.Shatter(explosionPos, 100, 100);
}
}
}
else if (hit.gameObject.tag.Contains("NPCBuilding"))
{
var npcHouse = hit.gameObject.GetComponent <NPCBuilding>();
if (npcHouse != null)
{
npcHouse.DamageBuilding(1, false);
}
}
}
Collider2D[] colliders = Physics2D.OverlapCircleAll(explosionPos, radius);
//Objects inside main explosive radius. Shatter, destroy, add force
foreach (Collider2D hit in colliders)
{
if (hit.gameObject.tag.Contains("ShatteringObject"))
{
var shatteringObject = hit.gameObject.GetComponent <ShatteringObject>();
if (shatteringObject != null)
{
shatteringObject.Shatter(explosionPos, power, upwardsForce);
}
}
else if (hit.gameObject.tag.Contains("NPCBuilding"))
{
var npcHouse = hit.gameObject.GetComponent <NPCBuilding>();
if (npcHouse != null)
{
//Destroy NPC buildings if they are hit by the blast
npcHouse.DamageBuilding(10000, false);
}
}
else
{
Rigidbody2D rb = hit.GetComponent <Rigidbody2D>();
if (rb != null)
{
Vector2 force = UtilityLibrary.CalculateExplosionForce(explosionPos, hit.transform.position, power, upwardsForce);
rb.AddForce(force, ForceMode2D.Impulse);
}
}
}
Destroy(this.gameObject);
}