// invoked when object is destroyed.
// void Destroy(){}
// invoked when another collider is touching this object collider
void OnCollisionEnter2D(Collision2D coll)
{
BoxCollider2D box = coll.gameObject.GetComponent <BoxCollider2D>();
//bounce off player
if (coll.gameObject.tag == "Player")
{
//reflect Y direction
direction.y = -direction.y;
//adjust angle of X based on position from center of paddle
float diffX = this.gameObject.transform.position.x - coll.gameObject.transform.position.x;
float offsetFromCenter = diffX / box.size.x;
direction.x += offsetFromCenter * 2;
}
//bounce off a block
if (coll.gameObject.tag == "Block")
{
BlockScript blockScript = coll.gameObject.GetComponent <BlockScript>();
blockScript.Damage(1);
var blockPos = coll.gameObject.transform.position;
var ballPos = transform.position;
//Debug.Log ("(" + coll.gameObject.transform.position.x + ", " + coll.gameObject.transform.position.y + ") vs. (" + transform.position.x + ", " + transform.position.y + ")");
//left or right collision
if (Mathf.Abs(blockPos.y - ballPos.y) < 3.8)
{
direction.x *= -1;
}
else
{
direction.y = -direction.y;
}
}
}
