// Update is called once per frame
void Update()
{
if (Input.GetKey(keyToPress) &&
Time.time >= timeOfLastSpawn + creationRate)
{
Vector2 actualBulletDirection = (relativeToRotation) ? (Vector2)(Quaternion.Euler(0, 0, transform.eulerAngles.z) * shootDirection) : shootDirection;
GameObject newObject = Instantiate <GameObject>(prefabToSpawn);
newObject.transform.position = this.transform.position;
newObject.transform.eulerAngles = new Vector3(0f, 0f, Utils.Angle(actualBulletDirection));
newObject.tag = "Bullet";
// push the created objects, but only if they have a Rigidbody2D
Rigidbody2D rigidbody2D = newObject.GetComponent <Rigidbody2D>();
if (rigidbody2D != null)
{
rigidbody2D.AddForce(actualBulletDirection * shootSpeed, ForceMode2D.Impulse);
}
// add a Bullet component if the prefab doesn't already have one, and assign the player ID
BulletAttribute b = newObject.GetComponent <BulletAttribute>();
if (b == null)
{
b = newObject.AddComponent <BulletAttribute>();
}
b.playerId = playerNumber;
timeOfLastSpawn = Time.time;
}
}
// This function gets called everytime this object collides with another trigger
private void OnTriggerEnter2D(Collider2D collisionData)
{
// is the other object a Bullet?
if (collisionData.gameObject.CompareTag("Bullet"))
{
if (userInterface != null)
{
// add one point
BulletAttribute b = collisionData.gameObject.GetComponent <BulletAttribute>();
if (b != null)
{
userInterface.AddPoints(b.playerId, pointsWorth);
}
else
{
Debug.Log("Use a BulletAttribute on one of the objects involved in the collision if you want one of the players to receive points for destroying the target.");
}
}
else
{
Debug.Log("There is no UI in the scene, hence points can't be displayed.");
}
// then destroy this object
Destroy(gameObject);
}
}
