void OnCollisionEnter2D(Collision2D col)
{
// do this check so the collision is only called once - failsafe against unity physics engine
if (_isColliding)
{
return;
}
_isColliding = true;
// only check for collisions with the player is the steel crate's gravity is enabled
if (gravEnabled && col.gameObject.CompareTag("Player"))
{
Transform groundCheck = col.gameObject.transform.GetChild(0);
Vector2 posOffset = (Vector2)transform.position + PhysicsUtilities.OffsetToEdgeRenderer(rend);
// NEED TO FIND OUT HOW TO NOT DESTROY INSTANTLY WHILE IN GRAV TRANSITION
// FOR SOME REASON THE BELOW DOES NOT WORK
if (!GameController.gravTransitionState && PhysicsUtilities.IsBelow(groundCheck.position, posOffset))
{
Destroy(col.gameObject);
}
// to be added: enter gameover state
}
// handle check for glass
if (isGlass && GameController.gravTransitionState)
{
if (_glass.CollisionHandler(rend))
{
Destroy(gameObject);
}
}
}
// child the object to any valid object that it can be on and store what kind of object that is
protected void AttachToTile()
{
Vector3 offset = PhysicsUtilities.OffsetToEdgeRenderer(GetComponent <SpriteRenderer>(), oppositeFacing);
RaycastHit2D hit = Physics2D.Raycast(transform.position + offset, oppositeFacing.ToVector2(), 0.1f, canAttachToLayerMask);
if (hit.collider != null)
{
transform.parent = hit.transform;
parentLayer = LayerMask.LayerToName(hit.transform.gameObject.layer);
}
}
// find out if the object is grounded
bool isGrounded()
{
// for position, get the "bottom" edge in terms of the direction of gravity
Vector2 position = (Vector2)transform.position + PhysicsUtilities.OffsetToEdgeRenderer(rend);
//Debug.DrawLine(transform.position, position);
float dist = 0.1f;
RaycastHit2D hit = PhysicsUtilities.RaycastToGravity(position, dist, GameController.terrainLayer);
if (hit.collider != null)
{
return(true);
}
return(false);
}
