public void SendTouchLeaveMessage(){
if( heldObject != null){
heldObject.OnTouchEnd(transform.position);
heldObject.isHeld = false;
heldObject = null;
}
}
void OnTriggerEnter2D(Collider2D col){
TouchableBehaviour touchedObj = col.gameObject.GetComponent<TouchableBehaviour>();
if( touchedObj != null){
heldObject = touchedObj;
}
}
void Touch(Vector2 position)
{
var touched = Physics2D.OverlapCircleAll(position, _touchToleranceRadius, LayerMask.GetMask("Birds", "PowerUps", "OtherTouchables"));
if (touched.Length > 0)
{
TouchableBehaviour bird = null;
TouchableBehaviour powerup = null;
TouchableBehaviour other = null;
foreach (var item in touched)
{
var layerName = LayerMask.LayerToName(item.gameObject.layer);
switch (layerName)
{
case "Birds":
if (bird == null || item.transform.position.z < bird.transform.position.z)
{
var b = item.GetComponent <TouchableBehaviour>();
if (b.Enabled)
{
bird = b;
}
}
break;
case "PowerUps":
if (powerup == null || item.transform.position.z < powerup.transform.position.z)
{
var b = item.GetComponent <TouchableBehaviour>();
if (b.Enabled)
{
powerup = b;
}
}
break;
case "OtherTouchables":
if (other == null || item.transform.position.z < other.transform.position.z)
{
var b = item.GetComponent <TouchableBehaviour>();
if (b.Enabled)
{
other = b;
}
}
break;
}
}
if (bird != null)
{
bird.OnTouched();
return;
}
if (powerup != null)
{
if (other == null || other.gameObject.transform.position.z > powerup.transform.position.z)
{
powerup.OnTouched();
return;
}
}
if (other != null)
{
other.OnTouched();
}
}
}
