private int GetIndexOfHoveredDragHandle()
{
Vector2 devicePos;
if (!InputDevice.Instance.GetPosition(out devicePos))
{
return(-1);
}
List <BoxFace> allBoxFaces = BoxFaces.GetAll();
foreach (BoxFace face in allBoxFaces)
{
DragHandle dragHandle = _dragHandles[(int)face];
if (!_axesVisibilityMask[(int)dragHandle.Axis])
{
continue;
}
if (dragHandle.ScreenRect.Contains(devicePos, true))
{
return((int)face);
}
}
return(-1);
}
private void UpdateDragHandles()
{
if (_targetOOBB == null)
{
return;
}
float halfHandleScreenSize = _dragHandleSizeInPixels * 0.5f;
Camera camera = EditorCamera.Instance.Camera;
Plane cameraNearPlane = camera.GetNearPlane();
List <BoxFace> allBoxFaces = BoxFaces.GetAll();
foreach (BoxFace face in allBoxFaces)
{
Vector3 boxFaceCenter = _targetOOBB.GetBoxFaceCenter(face);
Vector2 screenFaceCenter = camera.WorldToScreenPoint(boxFaceCenter);
_dragHandles[(int)face].ScreenRect = new Rect(screenFaceCenter.x - halfHandleScreenSize, screenFaceCenter.y - halfHandleScreenSize, _dragHandleSizeInPixels, _dragHandleSizeInPixels);
_dragHandles[(int)face].IsVisible = true;
if (cameraNearPlane.GetDistanceToPoint(boxFaceCenter) < 0.0f)
{
_dragHandles[(int)face].IsVisible = false;
}
}
}
