/// <summary>
/// Called continuously during the drag to swap Orb if required
/// </summary>
/// <param name="ev">Current pointer data</param>
public static void OnDrag(PointerEventData ev)
{
// Check if player movement should be processed
if (Coordinator.Coordinator.GetOrbMovable())
{
// Activate timer if not done so already
if (!timerActivated)
{
// Attach event listener
Canvas.HealthBar.instance.TimeReached += PostTimerReached;
// Activate timer
Canvas.HealthBar.instance.RequestCountdown();
// Set flag
timerActivated = true;
}
// Update tracker position
Vector3 pointerPos = Camera.main.ScreenToWorldPoint(new Vector3(ev.position.x, ev.position.y, 10));
pointerPos.z = trackingZ;
currentTracker.transform.position = pointerPos;
// Check if any orbs has to be swapped
// Do a ray cast from the pointer position and try to find a game object
RaycastHit2D hit;
hit = Physics2D.Raycast(pointerPos, Vector2.zero);
// Set raycaster object to be the collider or null (if nothing was raycasted to)
GameObject raycastedObj = hit.collider == null ? null : hit.collider.gameObject;
if (raycastedObj != null)
{
Orb newSelectedOrb = raycastedObj.GetComponent <Orb>();
if (newSelectedOrb != null && newSelectedOrb != selectedOrb)
{
// Swap the type of the 2 orb
selectedOrb.OnSwap(newSelectedOrb.getType());
newSelectedOrb.OnSwap(selectedOrb.getType());
// Select the new orb
selectedOrb.OnDeselectOrb();
newSelectedOrb.OnSelectedOrb();
selectedOrb = newSelectedOrb;
// Set orb swapped in this drag
orbSwapped = true;
// Play movement sound
Sound.SoundSystem.instance.playMovementSFX();
}
}
}
}
