// Update is called once per frame
void Update()
{
Vector3 mousePos = Input.mousePosition;
mousePos.z = Camera.main.nearClipPlane;
Vector3 worldPosition = Camera.main.ScreenToWorldPoint(mousePos);
RaycastHit2D hit;
if (hit = Physics2D.Raycast(worldPosition, Vector3.forward, 0.01f))
{
if (hit.collider)
{
GameObject gameObject = hit.collider.gameObject;
if (gameObject.GetComponent <UI_Object>())
{
UI_MouseOver = gameObject.GetComponent <UI_Object>();
}
}
}
else
{
UI_MouseOver = UI_Null;
}
if (Input.GetMouseButton(0))
{
UI_Active.WhenMouseDown();
}
else if (UI_Active != UI_MouseOver)
{
UI_Active = UI_MouseOver;
UI_Active.OnMouseOver();
}
if (Input.GetMouseButtonDown(0))
{
UI_Active.OnMouseClick();
}
if (Input.GetMouseButtonUp(0))
{
UI_Active.OnMouseUp();
}
}
// Start is called before the first frame update
void Start()
{
UI_MouseOver = UI_Null;
UI_Active = UI_Null;
UI_Active.OnMouseOver();
}