// Update is called once per frame
void Update()
{
//Select object
if (Input.GetMouseButtonDown(0))
{
//Debug.Log("lmb clicked");
RaycastHit hitInfo = new RaycastHit();
bool hit = Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hitInfo);
if (hit)
{
if (hitInfo.transform.gameObject.tag == "Draggable")
{
selectedObject = hitInfo.transform.gameObject;
draggable = selectedObject.GetComponent(typeof(IDraggable)) as IDraggable;
selectedObject.layer = 2; //Ignore raycast layer
distanceToDraggable = selectedObject.transform.position.z - Camera.main.transform.position.z;
draggable.OnSelect();
//Debug.Log("Hit a draggable object, name: " + selectedObject.name);
}
if (hitInfo.transform.gameObject.tag == "Clickable")
{
hitInfo.transform.gameObject.GetComponent <IInterractable>().OnSelect();
//fire and forget something on the child script (abstract class clickable)
}
}
}
else if (Input.GetMouseButtonUp(0))
{
if (selectedObject != null)
{
draggable.OnUnselect();
selectedObject.layer = 0; //default layer
selectedObject = null;
}
}
if (selectedObject != null)
{
Vector3 pos = Input.mousePosition;
pos.z = distanceToDraggable;
pos = Camera.main.ScreenToWorldPoint(pos);
pos.z = selectedObject.transform.position.z;
selectedObject.transform.position = pos;
}
}