// Called when a target is destroyed
public void NotifyDestructionBy(Rigidbody2D destroyer)
{
// How well was the destroyer facing the target?
float angleDiff = Mathf.DeltaAngle(
SteeringBehaviour.Vec2Deg(destroyer.velocity), destroyer.rotation);
// Determine points for this destruction based on how well the
// destroyer was facing the target
float points = 1 - 0.9f * Mathf.Abs(angleDiff) / 180;
UpdatePoints(points);
Invoke("SpawnTarget", delay);
}
