internal void MouseMove(int x, int y)
{
HoveredObjects.Clear();
Vector mousePosition = new Vector(x, y);
if (IsDragging)
{
Vector deltaPosition = mousePosition - mouseDownPosition;
Origin += deltaPosition;
mouseDownPosition = mousePosition;
}
else
{
if (ElementMoveStartPosition != null)
{
Vector deltaPosition = mousePosition.MapFromScreen(Scale, Origin) - ElementMoveStartPosition.MapFromScreen(Scale, Origin);
// We do not guarantee that points in nodesToMove are unique
List <Vector> targetPos = nodesToMove.Select(node => new Vector(node.X, node.Y) + deltaPosition).ToList();
for (int i = 0; i < nodesToMove.Count; ++i)
{
nodesToMove[i].X = targetPos[i].X;
nodesToMove[i].Y = targetPos[i].Y;
}
ElementMoveStartPosition = mousePosition;
return;
}
Vector query = mousePosition.MapFromScreen(Scale, Origin);
GraphElement havoredObject = QueryPosition(query);
if (havoredObject != null)
{
HoveredObjects.Add(havoredObject);
}
if (IsCreatingMode)
{
if (havoredObject is Node node)
{
HoveredCreatingNode = node;
}
else
{
HoveredCreatingNode = new Node(query.X, query.Y);
}
}
}
}
void FixedUpdate()
{
HoveredObjects.Clear();
HoveredUiObjects.Clear();
// Scene objects
RaycastHit hit;
Ray ray = Camera.main.ScreenPointToRay(Pointer.Position);
if (Physics.Raycast(ray, out hit, 100))
{
HoveredObjects.Add(hit.transform.gameObject);
}
;
// UI objects
_pointerEventData = new PointerEventData(EventSystem)
{
position = Pointer.Position
};
//Create a list of Raycast Results
List <UnityEngine.EventSystems.RaycastResult> results = new List <UnityEngine.EventSystems.RaycastResult>();
//Raycast using the Graphics Raycaster and mouse click position
Raycaster.Raycast(_pointerEventData, results);
//For every result returned, output the name of the GameObject on the Canvas hit by the Ray
foreach (UnityEngine.EventSystems.RaycastResult result in results)
{
HoveredUiObjects.Add(result.gameObject);
}
DebugList = HoveredUiObjects;
}
