private void Update()
{
if (EventSystem.current.IsPointerOverGameObject()) //return if over UI element
{
return;
}
if (Input.GetMouseButtonDown(0)) //Called once
{
RaycastHit hit;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(ray, out hit, 100f, interactionLayer))
{
IInteractable inter = hit.collider.GetComponent <IInteractable>();
if (inter != null && inter.IsCurrentlyInteractive())
{
currentInteractable = inter;
inter.OnCompleted += RemoveInteractable; //We need to set currentInteractable to null when interaction has completed
progressUI.GetComponent <RectTransform>().position = Input.mousePosition; //Set progress UI position to where the touch is
progressUI.gameObject.SetActive(true); //Show progress UI
}
}
}
if (currentInteractable == null)
{
return;
}
if (Input.GetMouseButtonUp(0))
{
currentInteractable.Cancel();
currentInteractable = null;
HideProgressBar();
}
if (currentInteractable == null)
{
return;
}
if (Input.GetMouseButton(0))
{
float progress = currentInteractable.UpdateProgress();
progressUI.SetProgress(progress); //Update progress UI
}
}