private void SetObjectSurfaceInfo(GameObject gameObject, ObjectSurfaceInfo surfaceInfo)
{
if (gameObject == null)
{
return;
}
if (_objectToSurfaceInfo.ContainsKey(gameObject))
{
_objectToSurfaceInfo[gameObject] = surfaceInfo;
}
else
{
_objectToSurfaceInfo.Add(gameObject, surfaceInfo);
}
}
public void Update()
{
if (IsActive)
{
if (AllShortcutCombos.Instance.GrabRotateSelection.IsActive())
{
_state = State.Rotating;
}
else if (AllShortcutCombos.Instance.GrabScaleSelection.IsActive())
{
if (_state != State.Scaling)
{
_objectToWorldScale.Clear();
foreach (var grabbedObject in _grabbedObjects)
{
if (grabbedObject != null)
{
_objectToWorldScale.Add(grabbedObject, grabbedObject.transform.lossyScale);
}
}
_cursorPosAtScaleBegin = MouseCursor.Instance.Position;
_state = State.Scaling;
}
}
else
{
// Need to reset the anchor relationships because the cursor was moved without
// the objects following it.
if (_state == State.Rotating || _state == State.Scaling)
{
_objectToPivotDir.Clear();
foreach (var grabbedObject in _grabbedObjects)
{
if (grabbedObject != null)
{
_objectToPivotDir.Add(grabbedObject, grabbedObject.transform.position - _surfaceHitPoint);
}
}
}
_state = State.Moving;
}
_currentCursorRayHit = GetCursorRayHit();
if (!_currentCursorRayHit.WasAnythingHit)
{
return;
}
if (_currentCursorRayHit.WasAnythingHit)
{
if (_currentCursorRayHit.WasAnObjectHit)
{
_surfaceHitPoint = _currentCursorRayHit.ClosestObjectRayHit.HitPoint;
}
else
{
_surfaceHitPoint = _currentCursorRayHit.GridCellRayHit.HitPoint;
}
}
if (_state == State.Moving || _objectToSurfaceInfo.Count == 0)
{
if (_currentCursorRayHit.WasAnObjectHit)
{
GameObjectExtensions.RecordObjectTransformsForUndo(_grabbedObjects);
GameObjectRayHit objectRayHit = _currentCursorRayHit.ClosestObjectRayHit;
foreach (var grabbedObject in _grabbedObjects)
{
if (grabbedObject == null)
{
continue;
}
Transform objectTransform = grabbedObject.transform;
objectTransform.position = objectRayHit.HitPoint + _objectToPivotDir[grabbedObject];
if (objectRayHit.WasTerrainHit)
{
Ray ray = new Ray(grabbedObject.GetHierarchyWorldOrientedBox().Center + Vector3.up, -Vector3.up);
GameObjectRayHit sitPointHit = null;
if (objectRayHit.HitObject.RaycastTerrainReverseIfFail(ray, out sitPointHit))
{
Plane surfacePlane = new Plane(sitPointHit.HitNormal, sitPointHit.HitPoint);
if (_grabSettings.AlignAxis)
{
AxisAlignment.AlignObjectAxis(grabbedObject, _grabSettings.AlignmentAxis, sitPointHit.HitNormal);
}
grabbedObject.PlaceHierarchyOnPlane(surfacePlane);
if (!_grabSettings.EmbedInSurfaceWhenNoAlign || _grabSettings.AlignAxis)
{
objectTransform.position += _grabSettings.OffsetFromSurface * sitPointHit.HitNormal;
}
if (_grabSettings.EmbedInSurfaceWhenNoAlign && !_grabSettings.AlignAxis)
{
grabbedObject.EmbedInSurfaceByVertex(-Vector3.up, objectRayHit.HitObject);
}
ObjectSurfaceInfo surfaceInfo = new ObjectSurfaceInfo();
surfaceInfo.SurfacePlane = surfacePlane;
surfaceInfo.SitPoint = sitPointHit.HitPoint;
SetObjectSurfaceInfo(grabbedObject, surfaceInfo);
}
}
else
if (objectRayHit.WasMeshHit)
{
Ray ray = new Ray(grabbedObject.GetHierarchyWorldOrientedBox().Center + objectRayHit.HitNormal * 2.0f, -objectRayHit.HitNormal);
GameObjectRayHit sitPointHit = null;
if (objectRayHit.HitObject.RaycastMeshReverseIfFail(ray, out sitPointHit))
{
Plane surfacePlane = new Plane(sitPointHit.HitNormal, sitPointHit.HitPoint);
if (_grabSettings.AlignAxis)
{
AxisAlignment.AlignObjectAxis(grabbedObject, _grabSettings.AlignmentAxis, sitPointHit.HitNormal);
}
grabbedObject.PlaceHierarchyOnPlane(surfacePlane);
if (!_grabSettings.EmbedInSurfaceWhenNoAlign || _grabSettings.AlignAxis)
{
objectTransform.position += _grabSettings.OffsetFromSurface * sitPointHit.HitNormal;
}
if (_grabSettings.EmbedInSurfaceWhenNoAlign && !_grabSettings.AlignAxis)
{
grabbedObject.EmbedInSurfaceByVertex(-sitPointHit.HitNormal, objectRayHit.HitObject);
}
ObjectSurfaceInfo surfaceInfo = new ObjectSurfaceInfo();
surfaceInfo.SurfacePlane = surfacePlane;
surfaceInfo.SitPoint = sitPointHit.HitPoint;
SetObjectSurfaceInfo(grabbedObject, surfaceInfo);
}
}
}
}
else
if (_currentCursorRayHit.WasACellHit)
{
GameObjectExtensions.RecordObjectTransformsForUndo(_grabbedObjects);
GridCellRayHit cellRayHit = _currentCursorRayHit.GridCellRayHit;
foreach (var grabbedObject in _grabbedObjects)
{
if (grabbedObject == null)
{
continue;
}
Transform objectTransform = grabbedObject.transform;
objectTransform.position = cellRayHit.HitPoint + _objectToPivotDir[grabbedObject];
Plane surfacePlane = new Plane(cellRayHit.HitNormal, cellRayHit.HitPoint);
Vector3 sitPoint = surfacePlane.ProjectPoint(grabbedObject.GetWorldOrientedBox().Center);
if (_grabSettings.AlignAxis)
{
AxisAlignment.AlignObjectAxis(grabbedObject, _grabSettings.AlignmentAxis, cellRayHit.HitNormal);
}
grabbedObject.PlaceHierarchyOnPlane(surfacePlane);
if (!_grabSettings.EmbedInSurfaceWhenNoAlign || _grabSettings.AlignAxis)
{
objectTransform.position += _grabSettings.OffsetFromSurface * cellRayHit.HitNormal;
}
ObjectSurfaceInfo surfaceInfo = new ObjectSurfaceInfo();
surfaceInfo.SurfacePlane = surfacePlane;
surfaceInfo.SitPoint = sitPoint;
SetObjectSurfaceInfo(grabbedObject, surfaceInfo);
}
}
}
else
if (_state == State.Rotating)
{
GameObjectExtensions.RecordObjectTransformsForUndo(_grabbedObjects);
float rotationSensitivity = _grabSettings.RotationSensitivity;
foreach (var grabbedObject in _grabbedObjects)
{
if (!_objectToSurfaceInfo.ContainsKey(grabbedObject))
{
continue;
}
var surfaceInfo = _objectToSurfaceInfo[grabbedObject];
OrientedBox worldOOBB = grabbedObject.GetHierarchyWorldOrientedBox();
grabbedObject.RotateHierarchyBoxAroundPoint(MouseCursor.Instance.OffsetSinceLastMouseMove.x * rotationSensitivity, _grabSettings.AlignAxis ? surfaceInfo.SurfacePlane.normal : Vector3.up, worldOOBB.Center);
}
}
else
if (_state == State.Scaling)
{
GameObjectExtensions.RecordObjectTransformsForUndo(_grabbedObjects);
Vector2 currentCursorPos = MouseCursor.Instance.Position;
Vector2 cursorOffsetFromScaleBegin = currentCursorPos - _cursorPosAtScaleBegin;
float scaleFactor = 1.0f + _grabSettings.ScaleSensitivity * cursorOffsetFromScaleBegin.x;
foreach (var grabbedObject in _grabbedObjects)
{
if (!_objectToSurfaceInfo.ContainsKey(grabbedObject) ||
!_objectToWorldScale.ContainsKey(grabbedObject))
{
continue;
}
var surfaceInfo = _objectToSurfaceInfo[grabbedObject];
grabbedObject.SetHierarchyWorldScaleByPivotPoint(_objectToWorldScale[grabbedObject] * scaleFactor, surfaceInfo.SitPoint);
}
}
}
}
