public void OnObjectTransformChanged(Transform objectTransform)
{
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(RTScene.Get.Settings.NonMeshObjectSize);
AABB worldAABB = ObjectBounds.CalcWorldAABB(objectTransform.gameObject, boundsQConfig);
Sphere worldSphere = new Sphere(worldAABB);
SphereTreeNode <GameObject> objectNode = _objectToNode[objectTransform.gameObject];
objectNode.Sphere = worldSphere;
_objectTree.OnNodeSphereUpdated(objectNode);
RTFocusCamera.Get.SetObjectVisibilityDirty();
}
public static GameObject SpawnInFrontOfCamera(GameObject sourceObject, Camera camera, Config config)
{
float halfSize = config.ObjectSize * 0.5f;
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(1.0f);
Transform cameraTransform = camera.transform;
AABB aabb = ObjectBounds.CalcHierarchyWorldAABB(sourceObject, boundsQConfig);
if (!aabb.IsValid)
{
return(null);
}
Sphere sphere = new Sphere(aabb);
Vector3 fromCenterToPos = sourceObject.transform.position - sphere.Center;
float zOffset = Mathf.Max(camera.nearClipPlane + sphere.Radius, sphere.Radius / halfSize);
Vector3 spherePos = cameraTransform.position + cameraTransform.forward * zOffset;
GameObject spawned = GameObject.Instantiate(sourceObject, spherePos + fromCenterToPos, sourceObject.transform.rotation) as GameObject;
spawned.SetActive(true);
OBB spawnedOBB = ObjectBounds.CalcHierarchyWorldOBB(spawned, boundsQConfig);
Ray ray = new Ray(camera.transform.position, (spawnedOBB.Center - camera.transform.position).normalized);
SceneRaycastFilter raycastFilter = new SceneRaycastFilter();
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Terrain);
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Sprite);
SceneRaycastHit rayHit = RTScene.Get.Raycast(ray, SceneRaycastPrecision.BestFit, raycastFilter);
if (rayHit.WasAnObjectHit)
{
Vector3 oldCenter = spawnedOBB.Center;
spawnedOBB.Center = rayHit.ObjectHit.HitPoint;
Vector3 offsetVector = spawnedOBB.Center - oldCenter;
offsetVector += ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(spawnedOBB, rayHit.ObjectHit.HitPlane, 0.0f);
spawned.transform.position += offsetVector;
}
return(spawned);
}
private static void AlignRootsToPlane(List <GameObject> roots, Plane alignmentPlane)
{
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.NoVolumeSize = Vector3.zero;
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
foreach (var root in roots)
{
OBB worldOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (worldOBB.IsValid)
{
Vector3 projectedCenter = alignmentPlane.ProjectPoint(worldOBB.Center);
root.transform.position += (projectedCenter - worldOBB.Center);
}
}
}
public bool OverlapsObject(GameObject gameObject, Camera camera, ObjectBounds.QueryConfig boundsQConfig, MultiSelectOverlapMode overlapMode)
{
if (!IsBigEnoughForOverlap())
{
return(false);
}
if (overlapMode == MultiSelectOverlapMode.Partial)
{
Rect objectScreenRect = ObjectBounds.CalcScreenRect(gameObject, camera, boundsQConfig);
return(_enclosingRect.Overlaps(objectScreenRect, true));
}
else
{
Rect objectScreenRect = ObjectBounds.CalcScreenRect(gameObject, camera, boundsQConfig);
return(_enclosingRect.ContainsAllPoints(objectScreenRect.GetCornerPoints()));
}
}
private void SnapToObjectHitPoint(GameObjectRayHit objectHit, SnapToPointMode snapMode)
{
if (snapMode == SnapToPointMode.Exact)
{
float distToPlane = new Plane(Normal, Vector3.zero).GetDistanceToPoint(objectHit.HitPoint);
YOffset = distToPlane;
}
else
{
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh;
OBB worldOBB = ObjectBounds.CalcWorldOBB(objectHit.HitObject, boundsQConfig);
if (worldOBB.IsValid)
{
Plane slicePlane = new Plane(Normal, worldOBB.Center);
Vector3 destPt = worldOBB.Center;
List <Vector3> obbCorners = BoxMath.CalcBoxCornerPoints(worldOBB.Center, worldOBB.Size, worldOBB.Rotation);
float sign = Mathf.Sign(slicePlane.GetDistanceToPoint(objectHit.HitPoint));
if (sign > 0.0f)
{
int furthestPtInFront = slicePlane.GetFurthestPtInFront(obbCorners);
if (furthestPtInFront >= 0)
{
destPt = obbCorners[furthestPtInFront];
}
}
else
{
int furthestPtBehind = slicePlane.GetFurthestPtBehind(obbCorners);
if (furthestPtBehind >= 0)
{
destPt = obbCorners[furthestPtBehind];
}
}
float distToPlane = new Plane(Normal, Vector3.zero).GetDistanceToPoint(destPt);
YOffset = distToPlane;
}
}
}
public void RegisterObject(GameObject gameObject)
{
if (!CanRegisterObject(gameObject))
{
return;
}
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(RTScene.Get.Settings.NonMeshObjectSize);
AABB worldAABB = ObjectBounds.CalcWorldAABB(gameObject, boundsQConfig);
Sphere worldSphere = new Sphere(worldAABB);
SphereTreeNode <GameObject> objectNode = _objectTree.AddNode(gameObject, worldSphere);
_objectToNode.Add(gameObject, objectNode);
RTFocusCamera.Get.SetObjectVisibilityDirty();
}
private void GatherDestinationObjects()
{
Camera focusCamera = RTFocusCamera.Get.TargetCamera;
_destinationObjects.Clear();
IInputDevice inputDevice = RTInputDevice.Get.Device;
if (!inputDevice.HasPointer())
{
return;
}
Vector2 inputDevicePos = inputDevice.GetPositionYAxisUp();
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(1e-5f);
List <GameObject> visibleObjects = RTFocusCamera.Get.GetVisibleObjects();
List <GameObject> targetObjects = new List <GameObject>(_targetObjects);
visibleObjects.RemoveAll(a => targetObjects.Contains(a) ||
!ObjectBounds.CalcScreenRect(a, focusCamera, boundsQConfig).Contains(inputDevicePos) ||
targetObjects.FindAll(b => a.transform.IsChildOf(b.transform)).Count != 0);
foreach (var visibleObject in visibleObjects)
{
if (!CanUseObjectAsSnapDestination(visibleObject))
{
continue;
}
GameObjectType objectType = visibleObject.GetGameObjectType();
if (objectType == GameObjectType.Mesh || objectType == GameObjectType.Sprite)
{
_destinationObjects.Add(visibleObject);
}
}
}
private void SelectPivot()
{
if (!RTInputDevice.Get.Device.HasPointer())
{
return;
}
ObjectBounds.QueryConfig boundsQConfig = GetObjectBoundsQConfig();
Vector2 inputDevicePos = RTInputDevice.Get.Device.GetPositionYAxisUp();
float minDistFromDevice = float.MaxValue;
foreach (GameObject targetObject in _targetObjects)
{
if (targetObject == null)
{
continue;
}
OBB worldOBB = ObjectBounds.CalcWorldOBB(targetObject, boundsQConfig);
if (worldOBB.IsValid)
{
Camera camera = RTFocusCamera.Get.TargetCamera;
List <Vector3> centerAndCorners = worldOBB.GetCenterAndCornerPoints();
List <Vector2> screenCenterAndCorners = camera.ConvertWorldToScreenPoints(centerAndCorners);
for (int ptIndex = 0; ptIndex < screenCenterAndCorners.Count; ++ptIndex)
{
float distance = (inputDevicePos - screenCenterAndCorners[ptIndex]).magnitude;
if (distance < minDistFromDevice)
{
minDistFromDevice = distance;
_snapPivotPoint = centerAndCorners[ptIndex];
}
}
}
}
}
public AABB CalculateBounds()
{
var activeScene = SceneManager.GetActiveScene();
var roots = new List <GameObject>(Mathf.Max(10, activeScene.rootCount));
SceneManager.GetActiveScene().GetRootGameObjects(roots);
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.NoVolumeSize = Vector3.zero;
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
AABB sceneAABB = new AABB();
foreach (var root in roots)
{
var allChildrenAndSelf = root.GetAllChildrenAndSelf();
foreach (var sceneObject in allChildrenAndSelf)
{
AABB aabb = ObjectBounds.CalcWorldAABB(sceneObject, boundsQConfig);
if (aabb.IsValid)
{
if (sceneAABB.IsValid)
{
sceneAABB.Encapsulate(aabb);
}
else
{
sceneAABB = aabb;
}
}
}
}
return(sceneAABB);
}
public void Render()
{
if (SharedLookAndFeel == null)
{
return;
}
if (IsActive && _grabSurfaceInfo.SurfaceType != GrabSurfaceType.Invalid)
{
Material material = MaterialPool.Get.SimpleColor;
if (SharedLookAndFeel.DrawAnchorLines)
{
List <Vector3> linePoints = new List <Vector3>(_grabTargets.Count * 2);
foreach (GrabTarget grabTarget in _grabTargets)
{
linePoints.Add(grabTarget.Transform.position);
linePoints.Add(_grabSurfaceInfo.AnchorPoint);
}
material.SetZTestAlways();
material.SetColor(_sharedLookAndFeel.AnchorLineColor);
material.SetPass(0);
GLRenderer.DrawLines3D(linePoints);
}
if (SharedLookAndFeel.DrawObjectBoxes)
{
material.SetZTestLess();
material.SetColor(SharedLookAndFeel.ObjectBoxWireColor);
material.SetPass(0);
ObjectBounds.QueryConfig boundsQConfig = GetObjectBoundsQConfig();
foreach (GrabTarget grabTarget in _grabTargets)
{
OBB obb = ObjectBounds.CalcHierarchyWorldOBB(grabTarget.GameObject, boundsQConfig);
if (obb.IsValid)
{
GraphicsEx.DrawWireBox(obb);
}
}
}
if (SharedLookAndFeel.DrawObjectPosTicks)
{
material.SetColor(SharedLookAndFeel.ObjectPosTickColor);
material.SetPass(0);
foreach (GrabTarget grabTarget in _grabTargets)
{
Vector2 screenPos = Camera.current.WorldToScreenPoint(grabTarget.Transform.position);
GLRenderer.DrawRect2D(RectEx.FromCenterAndSize(screenPos, Vector2Ex.FromValue(SharedLookAndFeel.ObjectPosTickSize)), Camera.current);
}
}
if (SharedLookAndFeel.DrawAnchorPosTick)
{
material.SetColor(SharedLookAndFeel.AnchorPosTickColor);
material.SetPass(0);
Vector2 anchorScreenPos = Camera.current.WorldToScreenPoint(_grabSurfaceInfo.AnchorPoint);
GLRenderer.DrawRect2D(RectEx.FromCenterAndSize(anchorScreenPos, Vector2Ex.FromValue(SharedLookAndFeel.AnchorPosTickSize)), Camera.current);
}
}
}
public void Render()
{
if (_sharedLookAndFeel == null)
{
return;
}
if (IsActive)
{
Material material = MaterialPool.Get.SimpleColor;
if (_sharedLookAndFeel.DrawBoxes)
{
material.SetColor(_sharedLookAndFeel.BoxLineColor);
material.SetZTestEnabled(true);
material.SetPass(0);
ObjectBounds.QueryConfig boundsQConfig = GetObjectBoundsQConfig();
foreach (GameObject targetObject in _targetObjects)
{
if (targetObject == null)
{
continue;
}
OBB worldOBB = ObjectBounds.CalcWorldOBB(targetObject, boundsQConfig);
if (worldOBB.IsValid)
{
GraphicsEx.DrawWireBox(worldOBB);
}
}
}
Camera camera = Camera.current;
Vector2 screenSnapPivot = camera.WorldToScreenPoint(_snapPivotPoint);
if (_sharedLookAndFeel.PivotShapeType == PivotPointShapeType.Circle)
{
material.SetZTestEnabled(false);
material.SetColor(_sharedLookAndFeel.PivotPointFillColor);
material.SetPass(0);
const int numCirclePoints = 100;
List <Vector2> pivotCirclePoints = PrimitiveFactory.Generate2DCircleBorderPointsCW(screenSnapPivot, _sharedLookAndFeel.PivotCircleRadius, numCirclePoints);
GLRenderer.DrawTriangleFan2D(screenSnapPivot, pivotCirclePoints, camera);
if (_sharedLookAndFeel.DrawPivotBorder)
{
material.SetColor(_sharedLookAndFeel.PivotPointBorderColor);
material.SetPass(0);
GLRenderer.DrawLineLoop2D(pivotCirclePoints, camera);
}
}
else
if (_sharedLookAndFeel.PivotShapeType == PivotPointShapeType.Square)
{
material.SetZTestEnabled(false);
material.SetColor(_sharedLookAndFeel.PivotPointFillColor);
material.SetPass(0);
Rect pivotRect = RectEx.FromCenterAndSize(screenSnapPivot, Vector2Ex.FromValue(_sharedLookAndFeel.PivotSquareSideLength));
GLRenderer.DrawRect2D(pivotRect, camera);
if (_sharedLookAndFeel.DrawPivotBorder)
{
material.SetColor(_sharedLookAndFeel.PivotPointBorderColor);
material.SetPass(0);
GLRenderer.DrawRectBorder2D(pivotRect, camera);
}
}
}
}
public List <GameObject> GetOverlappedObjects(List <GameObject> gameObjects, Camera camera, ObjectBounds.QueryConfig boundsQConfig, MultiSelectOverlapMode overlapMode)
{
if (gameObjects.Count == 0 || !IsBigEnoughForOverlap())
{
return(new List <GameObject>());
}
List <GameObject> overlappedObjects = new List <GameObject>(gameObjects.Count);
if (overlapMode == MultiSelectOverlapMode.Partial)
{
foreach (GameObject gameObject in gameObjects)
{
Rect objectScreenRect = ObjectBounds.CalcScreenRect(gameObject, camera, boundsQConfig);
if (_enclosingRect.Overlaps(objectScreenRect, true))
{
overlappedObjects.Add(gameObject);
}
}
}
else
{
foreach (GameObject gameObject in gameObjects)
{
Rect objectScreenRect = ObjectBounds.CalcScreenRect(gameObject, camera, boundsQConfig);
if (_enclosingRect.ContainsAllPoints(objectScreenRect.GetCornerPoints()))
{
overlappedObjects.Add(gameObject);
}
}
}
return(overlappedObjects);
}
public List <GameObjectRayHit> RaycastAll(Ray ray, SceneRaycastPrecision raycastPresicion)
{
List <SphereTreeNodeRayHit <GameObject> > nodeHits = _objectTree.RaycastAll(ray);
if (nodeHits.Count == 0)
{
return(new List <GameObjectRayHit>());
}
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(RTScene.Get.Settings.NonMeshObjectSize);
Vector3 camLook = RTFocusCamera.Get.Look;
if (raycastPresicion == SceneRaycastPrecision.BestFit)
{
List <GameObjectRayHit> hitList = new List <GameObjectRayHit>(10);
foreach (SphereTreeNodeRayHit <GameObject> nodeHit in nodeHits)
{
GameObject sceneObject = nodeHit.HitNode.Data;
if (sceneObject == null || !sceneObject.activeInHierarchy)
{
continue;
}
Renderer renderer = sceneObject.GetComponent <Renderer>();
if (renderer != null && !renderer.isVisible)
{
continue;
}
GameObjectType objectType = sceneObject.GetGameObjectType();
if (objectType == GameObjectType.Mesh)
{
GameObjectRayHit objectHit = RaycastMeshObject(ray, sceneObject);
if (objectHit != null)
{
hitList.Add(objectHit);
}
}
else
if (objectType == GameObjectType.Terrain)
{
TerrainCollider terrainCollider = sceneObject.GetComponent <TerrainCollider>();
if (terrainCollider != null)
{
RaycastHit hitInfo;
if (terrainCollider.Raycast(ray, out hitInfo, float.MaxValue))
{
hitList.Add(new GameObjectRayHit(ray, hitInfo));
}
}
}
else
if (objectType == GameObjectType.Sprite)
{
GameObjectRayHit objectHit = RaycastSpriteObject(ray, sceneObject);
if (objectHit != null)
{
hitList.Add(objectHit);
}
}
else
{
OBB worldOBB = ObjectBounds.CalcWorldOBB(sceneObject, boundsQConfig);
if (worldOBB.IsValid)
{
float t;
if (BoxMath.Raycast(ray, out t, worldOBB.Center, worldOBB.Size, worldOBB.Rotation))
{
BoxFaceDesc faceDesc = BoxMath.GetFaceClosestToPoint(ray.GetPoint(t), worldOBB.Center, worldOBB.Size, worldOBB.Rotation, camLook);
GameObjectRayHit hit = new GameObjectRayHit(ray, sceneObject, faceDesc.Plane.normal, t);
hitList.Add(hit);
}
}
}
}
return(hitList);
}
else
if (raycastPresicion == SceneRaycastPrecision.Box)
{
List <GameObjectRayHit> hitList = new List <GameObjectRayHit>(10);
foreach (SphereTreeNodeRayHit <GameObject> nodeHit in nodeHits)
{
GameObject sceneObject = nodeHit.HitNode.Data;
if (sceneObject == null || !sceneObject.activeInHierarchy)
{
continue;
}
Renderer renderer = sceneObject.GetComponent <Renderer>();
if (renderer != null && !renderer.isVisible)
{
continue;
}
OBB worldOBB = ObjectBounds.CalcWorldOBB(sceneObject, boundsQConfig);
if (worldOBB.IsValid)
{
float t;
if (BoxMath.Raycast(ray, out t, worldOBB.Center, worldOBB.Size, worldOBB.Rotation))
{
BoxFaceDesc faceDesc = BoxMath.GetFaceClosestToPoint(ray.GetPoint(t), worldOBB.Center, worldOBB.Size, worldOBB.Rotation, camLook);
GameObjectRayHit hit = new GameObjectRayHit(ray, sceneObject, faceDesc.Plane.normal, t);
hitList.Add(hit);
}
}
}
return(hitList);
}
return(new List <GameObjectRayHit>());
}
private OBB CalcTargetRootOBB(GameObject targetRoot)
{
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
return(ObjectBounds.CalcHierarchyWorldOBB(targetRoot, boundsQConfig));
}
public static List <Vector3> CollectHierarchyVerts(GameObject root, BoxFace collectFace, float collectBoxScale, float collectEps)
{
List <GameObject> meshObjects = root.GetMeshObjectsInHierarchy();
List <GameObject> spriteObjects = root.GetSpriteObjectsInHierarchy();
if (meshObjects.Count == 0 && spriteObjects.Count == 0)
{
return(new List <Vector3>());
}
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new List <Vector3>());
}
int faceAxisIndex = BoxMath.GetFaceAxisIndex(collectFace);
Vector3 faceCenter = BoxMath.CalcBoxFaceCenter(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, collectFace);
Vector3 faceNormal = BoxMath.CalcBoxFaceNormal(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, collectFace);
float sizeEps = collectEps * 2.0f;
Vector3 collectAABBSize = hierarchyOBB.Size;
collectAABBSize[faceAxisIndex] = (hierarchyOBB.Size[faceAxisIndex] * collectBoxScale) + sizeEps;
collectAABBSize[(faceAxisIndex + 1) % 3] += sizeEps;
collectAABBSize[(faceAxisIndex + 2) % 3] += sizeEps;
OBB collectOBB = new OBB(faceCenter + faceNormal * (-collectAABBSize[faceAxisIndex] * 0.5f + collectEps), collectAABBSize);
collectOBB.Rotation = hierarchyOBB.Rotation;
List <Vector3> collectedVerts = new List <Vector3>(80);
foreach (GameObject meshObject in meshObjects)
{
Mesh mesh = meshObject.GetMesh();
RTMesh rtMesh = RTMeshDb.Get.GetRTMesh(mesh);
if (rtMesh == null)
{
continue;
}
List <Vector3> verts = rtMesh.OverlapVerts(collectOBB, meshObject.transform);
if (verts.Count != 0)
{
collectedVerts.AddRange(verts);
}
}
foreach (GameObject spriteObject in spriteObjects)
{
List <Vector3> verts = CollectWorldSpriteVerts(spriteObject.GetSprite(), spriteObject.transform, collectOBB);
if (verts.Count != 0)
{
collectedVerts.AddRange(verts);
}
}
return(collectedVerts);
}
public static SnapResult CalculateSnapResult(GameObject root, Config snapConfig)
{
if (snapConfig.IgnoreDestObjects == null)
{
snapConfig.IgnoreDestObjects = new List <GameObject>();
}
List <GameObject> sourceObjects = root.GetAllChildrenAndSelf();
if (sourceObjects.Count > MaxSourceObjects)
{
return(new SnapResult(SnapFailReson.MaxObjectsExceeded));
}
List <GameObject> sourceMeshObjects = root.GetMeshObjectsInHierarchy();
List <GameObject> sourceSpriteObjects = root.GetSpriteObjectsInHierarchy();
if (sourceMeshObjects.Count == 0 && sourceSpriteObjects.Count == 0)
{
return(new SnapResult(SnapFailReson.InvalidSourceObjects));
}
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
Vector3 overlapSizeAdd = Vector3.one * snapConfig.SnapRadius * 2.0f;
List <BoxFace> allSnapFaces = BoxMath.AllBoxFaces;
bool tryMatchAreas = (snapConfig.Prefs & Prefs.TryMatchArea) != 0;
bool foundMatchingAreas = false;
List <SnapSortData> sortedSnapData = new List <SnapSortData>(10);
SnapSortData sortData = new SnapSortData();
foreach (GameObject sourceObject in sourceObjects)
{
OBB overlapOBB = ObjectBounds.CalcWorldOBB(sourceObject, boundsQConfig);
overlapOBB.Size = overlapOBB.Size + overlapSizeAdd;
List <GameObject> nearbyObjects = RTScene.Get.OverlapBox(overlapOBB);
nearbyObjects.RemoveAll(item => item.transform.IsChildOf(root.transform) ||
snapConfig.IgnoreDestObjects.Contains(item) || !LayerEx.IsLayerBitSet(snapConfig.DestinationLayers, item.layer));
if (nearbyObjects.Count == 0)
{
continue;
}
Object2ObjectSnapData sourceSnapData = Object2ObjectSnapDataDb.Get.GetObject2ObjectSnapData(sourceObject);
if (sourceSnapData == null)
{
continue;
}
sortData.SrcObject = sourceObject;
foreach (BoxFace srcSnapFace in allSnapFaces)
{
BoxFaceAreaDesc srcAreaDesc = sourceSnapData.GetWorldSnapAreaDesc(srcSnapFace);
OBB srcAreaBounds = sourceSnapData.GetWorldSnapAreaBounds(srcSnapFace);
List <Vector3> srcAreaPts = srcAreaBounds.GetCenterAndCornerPoints();
sortData.SrcSnapFace = srcSnapFace;
foreach (GameObject destObject in nearbyObjects)
{
Object2ObjectSnapData destSnapData = Object2ObjectSnapDataDb.Get.GetObject2ObjectSnapData(destObject);
if (destSnapData == null)
{
continue;
}
sortData.DestObject = destObject;
foreach (BoxFace destSnapFace in allSnapFaces)
{
sortData.DestSnapFace = destSnapFace;
BoxFaceAreaDesc destAreaDesc = destSnapData.GetWorldSnapAreaDesc(destSnapFace);
sortData.FaceAreasMatch = false;
if (tryMatchAreas && destAreaDesc.AreaType == srcAreaDesc.AreaType)
{
sortData.FaceAreaDiff = Mathf.Abs(destAreaDesc.Area - srcAreaDesc.Area);
if (sortData.FaceAreaDiff <= 1000.0f)
{
sortData.FaceAreasMatch = true;
}
}
OBB destAreaBounds = destSnapData.GetWorldSnapAreaBounds(destSnapFace);
List <Vector3> destAreaPts = destAreaBounds.GetCenterAndCornerPoints();
foreach (Vector3 srcPt in srcAreaPts)
{
sortData.SnapPivot = srcPt;
foreach (Vector3 destPt in destAreaPts)
{
sortData.SnapDistance = (destPt - srcPt).magnitude;
if (sortData.SnapDistance < snapConfig.SnapRadius)
{
sortData.SnapDest = destPt;
sortedSnapData.Add(sortData);
if (sortData.FaceAreasMatch)
{
foundMatchingAreas = true;
}
}
}
}
}
}
}
}
if (sortedSnapData.Count != 0)
{
if (!tryMatchAreas || !foundMatchingAreas)
{
sortedSnapData.Sort(delegate(SnapSortData s0, SnapSortData s1)
{
return(s0.SnapDistance.CompareTo(s1.SnapDistance));
});
}
else
{
while (true)
{
if (!sortedSnapData[0].FaceAreasMatch)
{
sortedSnapData.RemoveAt(0);
}
else
{
break;
}
}
sortedSnapData.Sort(delegate(SnapSortData s0, SnapSortData s1)
{
return(s0.FaceAreaDiff.CompareTo(s1.FaceAreaDiff));
});
}
return(new SnapResult(sortedSnapData[0].SnapPivot, sortedSnapData[0].SnapDest, sortedSnapData[0].SnapDistance));
}
return(new SnapResult(SnapFailReson.NoDestinationFound));
}
private ObjectBounds.QueryConfig GetObjectBoundsQConfig()
{
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
return(boundsQConfig);
}
public static SnapResult SnapHierarchy(GameObject root, SnapConfig snapConfig)
{
const float collectEps = 1e-2f;
const float collectBoxScale = 1e-3f;
bool hierarchyHasMeshes = root.HierarchyHasMesh();
bool hierarchyHasSprites = root.HierarchyHasSprite();
if (!hierarchyHasMeshes && !hierarchyHasSprites)
{
Transform rootTransform = root.transform;
rootTransform.position = snapConfig.SurfaceHitPlane.ProjectPoint(rootTransform.position) + snapConfig.OffsetFromSurface * snapConfig.SurfaceHitNormal;
return(new SnapResult(snapConfig.SurfaceHitPlane, rootTransform.position));
}
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Sprite | GameObjectType.Mesh;
bool isSurfaceSpherical = snapConfig.SurfaceType == Type.SphericalMesh;
bool isSurfaceTerrain = snapConfig.SurfaceType == Type.UnityTerrain || snapConfig.SurfaceType == Type.TerrainMesh;
bool isSurfaceUnityTerrain = snapConfig.SurfaceType == Type.UnityTerrain;
SurfaceRaycaster raycaster = CreateSurfaceRaycaster(snapConfig.SurfaceType, snapConfig.SurfaceObject, true);
if (snapConfig.SurfaceType != Type.SceneGrid)
{
Transform rootTransform = root.transform;
if (snapConfig.AlignAxis)
{
if (isSurfaceTerrain)
{
rootTransform.Align(Vector3.up, snapConfig.AlignmentAxis);
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new SnapResult());
}
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, -Vector3.up);
List <Vector3> collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
if (collectedVerts.Count != 0)
{
Vector3 vertsCenter = Vector3Ex.GetPointCloudCenter(collectedVerts);
Ray ray = new Ray(vertsCenter + Vector3.up * 1e-3f, -Vector3.up);
GameObjectRayHit surfaceHit = raycaster.Raycast(ray);
if (surfaceHit != null)
{
Vector3 alignmentAxis = surfaceHit.HitNormal;
if (isSurfaceUnityTerrain)
{
Terrain terrain = snapConfig.SurfaceObject.GetComponent <Terrain>();
alignmentAxis = terrain.GetInterpolatedNormal(surfaceHit.HitPoint);
}
Quaternion appliedRotation = rootTransform.Align(alignmentAxis, snapConfig.AlignmentAxis);
hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
appliedRotation.RotatePoints(collectedVerts, rootTransform.position);
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, new Plane(Vector3.up, surfaceHit.HitPoint), 0.1f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
Vector3 embedVector = ObjectSurfaceSnap.CalculateEmbedVector(collectedVerts, snapConfig.SurfaceObject, -Vector3.up, snapConfig.SurfaceType);
rootTransform.position += (embedVector + alignmentAxis * snapConfig.OffsetFromSurface);
return(new SnapResult(new Plane(alignmentAxis, surfaceHit.HitPoint), surfaceHit.HitPoint));
}
}
}
else
{
if (!isSurfaceSpherical)
{
rootTransform.Align(snapConfig.SurfaceHitNormal, snapConfig.AlignmentAxis);
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new SnapResult());
}
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, -snapConfig.SurfaceHitNormal);
List <Vector3> collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
if (collectedVerts.Count != 0)
{
Vector3 vertsCenter = Vector3Ex.GetPointCloudCenter(collectedVerts);
// Note: Cast the ray from far away enough so that we don't cast from the interior of the mesh.
// This can happen when the object is embedded inside the mesh surface.
AABB surfaceAABB = ObjectBounds.CalcMeshWorldAABB(snapConfig.SurfaceObject);
float sphereRadius = surfaceAABB.Extents.magnitude;
Vector3 rayOrigin = vertsCenter + snapConfig.SurfaceHitNormal * sphereRadius;
Ray ray = new Ray(rayOrigin, -snapConfig.SurfaceHitNormal);
GameObjectRayHit surfaceHit = raycaster.Raycast(ray);
if (surfaceHit != null)
{
Vector3 alignmentAxis = surfaceHit.HitNormal;
rootTransform.Align(alignmentAxis, snapConfig.AlignmentAxis);
hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, surfaceHit.HitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
rootTransform.position += alignmentAxis * snapConfig.OffsetFromSurface;
return(new SnapResult(new Plane(alignmentAxis, surfaceHit.HitPoint), surfaceHit.HitPoint));
}
else
{
Vector3 alignmentAxis = snapConfig.SurfaceHitNormal;
rootTransform.Align(alignmentAxis, snapConfig.AlignmentAxis);
hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, snapConfig.SurfaceHitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
rootTransform.position += alignmentAxis * snapConfig.OffsetFromSurface;
return(new SnapResult(snapConfig.SurfaceHitPlane, snapConfig.SurfaceHitPlane.ProjectPoint(vertsCenter)));
}
}
}
else
{
Transform surfaceObjectTransform = snapConfig.SurfaceObject.transform;
Vector3 sphereCenter = surfaceObjectTransform.position;
Vector3 radiusDir = (rootTransform.position - sphereCenter).normalized;
float sphereRadius = surfaceObjectTransform.lossyScale.GetMaxAbsComp() * 0.5f;
rootTransform.Align(radiusDir, snapConfig.AlignmentAxis);
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new SnapResult());
}
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, -radiusDir);
List <Vector3> collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
Vector3 sitPoint = sphereCenter + radiusDir * sphereRadius;
Plane sitPlane = new Plane(radiusDir, sitPoint);
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, sitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
rootTransform.position += radiusDir * snapConfig.OffsetFromSurface;
return(new SnapResult(sitPlane, sitPoint));
}
}
}
else
{
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new SnapResult());
}
if (isSurfaceTerrain || (!isSurfaceSpherical && snapConfig.SurfaceType == Type.Mesh))
{
Ray ray = new Ray(hierarchyOBB.Center, isSurfaceTerrain ? -Vector3.up : -snapConfig.SurfaceHitNormal);
GameObjectRayHit surfaceHit = raycaster.Raycast(ray);
if (surfaceHit != null)
{
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, surfaceHit.HitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
if (isSurfaceTerrain)
{
hierarchyOBB.Center += sitOnPlaneOffset;
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, -surfaceHit.HitNormal);
List <Vector3> collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
Vector3 embedVector = ObjectSurfaceSnap.CalculateEmbedVector(collectedVerts, snapConfig.SurfaceObject, -Vector3.up, snapConfig.SurfaceType);
rootTransform.position += embedVector;
}
rootTransform.position += surfaceHit.HitNormal * snapConfig.OffsetFromSurface;
return(new SnapResult(surfaceHit.HitPlane, surfaceHit.HitPoint));
}
else
if (!isSurfaceSpherical && snapConfig.SurfaceType == Type.Mesh)
{
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, snapConfig.SurfaceHitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
rootTransform.position += snapConfig.SurfaceHitNormal * snapConfig.OffsetFromSurface;
return(new SnapResult(snapConfig.SurfaceHitPlane, snapConfig.SurfaceHitPlane.ProjectPoint(hierarchyOBB.Center)));
}
}
else
if (isSurfaceSpherical)
{
Transform surfaceObjectTransform = snapConfig.SurfaceObject.transform;
Vector3 sphereCenter = surfaceObjectTransform.position;
Vector3 radiusDir = (rootTransform.position - sphereCenter).normalized;
float sphereRadius = surfaceObjectTransform.lossyScale.GetMaxAbsComp() * 0.5f;
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, -radiusDir);
List <Vector3> collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
Vector3 sitPoint = sphereCenter + radiusDir * sphereRadius;
Plane sitPlane = new Plane(radiusDir, sitPoint);
Vector3 sitOnPlaneOffset = ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, sitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
rootTransform.position += radiusDir * snapConfig.OffsetFromSurface;
return(new SnapResult(sitPlane, sitPoint));
}
}
}
if (snapConfig.SurfaceType == Type.SceneGrid)
{
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new SnapResult());
}
Transform rootTransform = root.transform;
if (snapConfig.AlignAxis)
{
rootTransform.Align(snapConfig.SurfaceHitNormal, snapConfig.AlignmentAxis);
hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
}
rootTransform.position += ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(hierarchyOBB, snapConfig.SurfaceHitPlane, snapConfig.OffsetFromSurface);
return(new SnapResult(snapConfig.SurfaceHitPlane, snapConfig.SurfaceHitPlane.ProjectPoint(hierarchyOBB.Center)));
}
return(new SnapResult());
}