/// <summary>
/// On fixedUpdate, checks the last movement and if needed casts a ray to detect obstacles
/// </summary>
protected virtual void Update()
{
_lastMovement = this.transform.position - _positionLastFrame;
_lastMovementSquared = _lastMovement.sqrMagnitude;
// if we've moved further than our bounds, we may have missed something
if (_lastMovementSquared > _squaredBoundsWidth)
{
float movementMagnitude = Mathf.Sqrt(_lastMovementSquared);
// we cast a ray backwards to see if we should have hit something
RaycastHit2D hitInfo = MMDebug.RayCast(_positionLastFrame, _lastMovement.normalized, movementMagnitude, ObstaclesLayerMask, Color.blue, true);
if (hitInfo.collider != null)
{
if (hitInfo.collider.isTrigger)
{
hitInfo.collider.SendMessage("OnTriggerEnter2D", _collider, SendMessageOptions.DontRequireReceiver);
}
if (!hitInfo.collider.isTrigger)
{
Hit = hitInfo;
this.gameObject.SendMessage("PreventedCollision2D", Hit, SendMessageOptions.DontRequireReceiver);
if (RepositionRigidbody)
{
this.transform.position = hitInfo.point - (_lastMovement / movementMagnitude) * _adjustedSmallestBoundsWidth;
_rigidbody.position = hitInfo.point - (_lastMovement / movementMagnitude) * _adjustedSmallestBoundsWidth;
}
}
}
}
_positionLastFrame = this.transform.position;
}
