private void StopDrag()
{
if (_currentDraggable != null)
{
_currentDraggable.drag = _initialDragValue;
}
_currentDraggable = null;
IsDragging = false;
Cursor.visible = true;
Cursor.lockState = CursorLockMode.None;
DragStop?.Invoke();
}
/// <summary>
/// Stop dragging when the user releases the left mouse button
/// </summary>
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
_userClickedThisElement = false;
ReleaseMouseCapture(); //Stop absorbing all mouse events
if (_dragActive)
{
_dragActive = false;
Point curMouseScreenPos = e.GetPosition(this);
double xDelta = curMouseScreenPos.X - _originScreenCoordPosition.X;
double yDelta = curMouseScreenPos.Y - _originScreenCoordPosition.Y;
DragStop?.Invoke(this, new DragMoveEventArgs(e, xDelta, yDelta));
}
base.OnMouseLeftButtonUp(e);
}
void InteractiveTemplate(SceneView view, Event ev)
{
if (active == null)
{
return;
}
if (ev.type == EventType.DragUpdated || ev.type == EventType.DragPerform)
{
var data = DragAndDrop.GetGenericData("MittEntrance") as GateTags;
if (data != null)
{
dragTemplate = data;
if (ev.type == EventType.DragUpdated)
{
float d; RaycastHit hit;
Vector3 center = activeObject.transform.TransformPoint(active.center);
Vector3 normal = -view.camera.transform.forward;
if (!ev.shift)
{
normal = HittUtility.Align(normal);
}
Plane plane = new Plane(normal, center);
Ray ray = HittUtility.MouseRay(ev, view);
plane.Raycast(ray, out d);
Vector3 point = ray.GetPoint(d);
if (!ev.shift)
{
point = HittUtility.Snap(point - center, HandleUtility.GetHandleSize(center) * 0.2f) + center;
}
if (!(ev.control || ev.command) && Physics.Linecast(point, center, out hit))
{
point = hit.point;
}
dragStop = new DragStop()
{
pos = point, center = center, normal = normal
};
DragAndDrop.visualMode = DragAndDropVisualMode.Link;
ev.Use();
}
else
{
{
Undo.RecordObject(activeObject, "Add new Entrance");
active.AddEntrance(new Entrance()
{
position = activeObject.transform.InverseTransformPoint(dragStop.pos),
rotation = HittUtility.Conjugate(activeObject.transform.rotation) * Quaternion.LookRotation(dragStop.pos - dragStop.center),
tag = dragTemplate.hash
});
template.Populate();
}
dragTemplate = null;
DragAndDrop.activeControlID = 0;
DragAndDrop.AcceptDrag();
ev.Use();
}
}
}
else if (ev.type == EventType.DragExited)
{
dragTemplate = null;
}
if (ev.type == EventType.Repaint)
{
if (dragTemplate != null)
{
var r = Mathf.Min(Vector3.Magnitude(dragStop.pos - dragStop.center) * 0.5f, 1);
var c = dragTemplate.color; Handles.color = c;
Handles.DrawLine(dragStop.center, dragStop.pos);
c.a *= 0.5f; Handles.color = c;
Handles.DrawWireDisc(dragStop.center, dragStop.normal, r);
c.a *= 0.2f; Handles.color = c;
Handles.DrawSolidDisc(dragStop.center, dragStop.normal, r);
}
}
}
