void OnTriggerEnter2D(Collider2D other)
{
// If the player enters the trigger zone...
if (other.tag == "Player")
{
// Get a reference to the player health script.
PlayersHealth playerHealth = other.GetComponent <PlayersHealth> ();
// Increasse the player's health by the health bonus but clamp it at 100.
playerHealth.health += healthBonus;
playerHealth.health = Mathf.Clamp(playerHealth.health, 0f, 100f);
// Update the health bar.
playerHealth.UpdateHealthBar();
// Trigger a new delivery.
pickupSpawner.StartCoroutine(pickupSpawner.DeliverPickup());
// Play the collection sound.
AudioSource.PlayClipAtPoint(collect, transform.position);
// Destroy the crate.
Destroy(transform.root.gameObject);
}
// Otherwise if the crate hits the ground...
else if (other.tag == "ground" && !landed)
{
// ... set the Land animator trigger parameter.
anim.SetTrigger("Land");
transform.parent = null;
gameObject.AddComponent <Rigidbody2D> ();
landed = true;
}
}
public void Explode()
{
// The player is now free to lay bombs when he has them.
layBombs.bombLaid = false;
// Make the pickup spawner start to deliver a new pickup.
pickupSpawner.StartCoroutine(pickupSpawner.DeliverPickup());
// Find all the colliders on the Enemies layer within the bombRadius.
Collider2D[] enemies = Physics2D.OverlapCircleAll(transform.position, bombRadius, 1 << LayerMask.NameToLayer("Enemies"));
// For each collider...
foreach (Collider2D en in enemies)
{
// Check if it has a rigidbody (since there is only one per enemy, on the parent).
Rigidbody2D rb = en.rigidbody2D;
if (rb != null && rb.tag == "Enemy")
{
// Find the Enemy script and set the enemy's health to zero.
rb.gameObject.GetComponent <Enemy> ().HP = 0;
// Find a vector from the bomb to the enemy.
Vector3 deltaPos = rb.transform.position - transform.position;
// Apply a force in this direction with a magnitude of bombForce.
Vector3 force = deltaPos.normalized * bombForce;
rb.AddForce(force);
}
}
// Set the explosion effect's position to the bomb's position and play the particle system.
explosionFX.transform.position = transform.position;
explosionFX.Play();
// Instantiate the explosion prefab.
Instantiate(explosion, transform.position, Quaternion.identity);
// Play the explosion sound effect.
AudioSource.PlayClipAtPoint(boom, transform.position);
// Destroy the bomb.
Destroy(gameObject);
}