/// <summary>
/// Detects collision with a ball to aim the ball
/// </summary>
/// <param name="coll">collision info</param>
void OnCollisionEnter2D(Collision2D coll)
{
if (coll.gameObject.CompareTag("Ball") &&
FrontCollision(coll))
{
// add hits to HUD
hitPointsAdded.Invoke(side, coll.gameObject.GetComponent <Ball>().Hits);
// calculate new ball direction
float ballOffsetFromPaddleCenter =
coll.transform.position.y - transform.position.y;
float normalizedBallOffset = ballOffsetFromPaddleCenter /
halfPaddleHeight;
float angleOffset = normalizedBallOffset * BounceAngleHalfRange;
// angle modification is based on screen side
float angle;
if (side == ScreenSide.Left)
{
angle = angleOffset;
}
else
{
angle = (float)(Mathf.PI - angleOffset);
}
Vector2 direction = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle));
// tell ball to set direction to new direction
Ball ballScript = coll.gameObject.GetComponent <Ball>();
ballScript.SetDirection(direction);
}
}
/// <summary>
/// Detects collision with a ball to aim the ball
/// </summary>
/// <param name="coll">collision info</param>
void OnCollisionEnter2D(Collision2D coll)
{
if (coll.gameObject.CompareTag("Ball") && FrontHitCollision(coll))
{
// calculate new ball direction
float ballOffsetFromPaddleCenter =
coll.transform.position.y - transform.position.y;
float normalizedBallOffset = ballOffsetFromPaddleCenter /
colliderHalfHeight;
float angleOffset = normalizedBallOffset * BounceAngleHalfRange;
// angle modification is based on screen side
float angle;
if (screenSide == ScreenSide.Left)
{
angle = angleOffset;
}
else
{
angle = (float)(Mathf.PI - angleOffset);
}
Vector2 direction = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle));
// Adds hits score to appropriate player side
hitsAddedEvent.Invoke(screenSide, coll.gameObject.GetComponent <Ball>().Hits);
// tell ball to set direction to new direction
Ball ballScript = coll.gameObject.GetComponent <Ball>();
ballScript.SetDirection(direction);
}
// checks for a pickup collision
if (coll.gameObject.CompareTag("FreezeEffect"))
{
FreezePaddle(screenSide, freezeDuration);
}
}