Example #1
0
        protected override void CalculateDragValues()
        {
            Camera focusCamera = RTFocusCamera.Get.TargetCamera;

            _relativeDragOffset = Vector3.zero;

            if (_destinationObjects.Count != 0 && _settings.CanSnapToObjectVerts)
            {
                Vector3 worldDestPos;
                if (GetWorldPointClosestToInputDevice(focusCamera, _destinationObjects, out worldDestPos))
                {
                    _relativeDragOffset = worldDestPos - _snapPivot;
                }
            }
            else
            if (_settings.CanSnapToGrid)
            {
                Ray          ray     = RTInputDevice.Get.Device.GetRay(focusCamera);
                XZGridRayHit gridHit = RTScene.Get.RaycastSceneGridIfVisible(ray);
                if (gridHit != null)
                {
                    XZGridCell     gridCell          = RTSceneGrid.Get.CellFromWorldPoint(gridHit.HitPoint);
                    List <Vector3> centersAndCorners = gridCell.GetCenterAndCorners();
                    int            closestPtIndex    = Vector3Ex.GetPointClosestToPoint(centersAndCorners, gridHit.HitPoint);
                    if (closestPtIndex >= 0)
                    {
                        _relativeDragOffset = centersAndCorners[closestPtIndex] - _snapPivot;
                    }
                }
            }

            _snapPivot       += _relativeDragOffset;
            _totalDragOffset += _relativeDragOffset;
        }
Example #2
0
 public XZGridRayHit(Ray ray, XZGridCell hitCell, float hitEnter)
 {
     _hitCell   = hitCell;
     _hitEnter  = hitEnter;
     _hitPoint  = ray.GetPoint(hitEnter);
     _hitPlane  = hitCell.ParentGrid.WorldPlane;
     _hitNormal = _hitPlane.normal;
 }
Example #3
0
        public XZGridRayHit RaycastSceneGridIfVisible(Ray ray)
        {
            if (!RTSceneGrid.Get.Settings.IsVisible)
            {
                return(null);
            }

            float t;

            if (RTSceneGrid.Get.Raycast(ray, out t))
            {
                XZGridCell hitCell = RTSceneGrid.Get.CellFromWorldPoint(ray.GetPoint(t));
                return(new XZGridRayHit(ray, hitCell, t));
            }

            return(null);
        }
 public XZGridCell CellFromWorldPoint(Vector3 worldPoint)
 {
     return(XZGridCell.FromPoint(worldPoint, _settings.CellSizeX, _settings.CellSizeZ, this));
 }