public override void Execute()
{
// calculate direction
currentPointIndex = path.GetRequiredIndex(enemy.transform.position, currentPointIndex);
Vector3 target = path.GetPoint(currentPointIndex);
Vector3 current = enemy.transform.position;
Vector3 direction = target - current;
float sqrDist = direction.sqrMagnitude;
direction.Normalize();
// calculate speed
currentSpeed = speed;
if (sqrDist <= slowDownDistance * slowDownDistance)
{
float dist = Mathf.Sqrt(sqrDist);
currentSpeed = speed * (dist / slowDownDistance);
}
// move enemy
enemy.transform.position = current + direction * currentSpeed * Time.deltaTime;
}