private void SelectPivot()
{
if (!RTInputDevice.Get.Device.HasPointer())
{
return;
}
var boundsQConfig = GetObjectBoundsQConfig();
Vector2 inputDevicePos = RTInputDevice.Get.Device.GetPositionYAxisUp();
float minDistFromDevice = float.MaxValue;
foreach (var 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];
}
}
}
}
}
protected bool GetWorldPointClosestToInputDevice(Camera focusCamera, IEnumerable <GameObject> gameObjects, out Vector3 point)
{
point = Vector3.zero;
if (gameObjects == null)
{
return(false);
}
if (!RTInputDevice.Get.Device.HasPointer())
{
return(false);
}
Vector2 inputDeviceScreenPt = RTInputDevice.Get.Device.GetPositionYAxisUp();
float minDistSqr = float.MaxValue;
bool foundPoint = false;
foreach (GameObject srcObject in gameObjects)
{
Mesh mesh = srcObject.GetMesh();
if (mesh != null)
{
MeshVertexChunkCollection meshVChunkCollection = MeshVertexChunkCollectionDb.Get[mesh];
if (meshVChunkCollection == null)
{
continue;
}
Matrix4x4 worldMtx = srcObject.transform.localToWorldMatrix;
List <MeshVertexChunk> testChunks = meshVChunkCollection.GetWorldChunksHoveredByPoint(inputDeviceScreenPt, worldMtx, focusCamera);
if (testChunks.Count == 0)
{
MeshVertexChunk closestChunk = meshVChunkCollection.GetWorldVertChunkClosestToScreenPt(inputDeviceScreenPt, worldMtx, focusCamera);
if (closestChunk != null && closestChunk.VertexCount != 0)
{
testChunks.Add(closestChunk);
}
}
foreach (MeshVertexChunk chunk in testChunks)
{
Vector3 worldVert = chunk.GetWorldVertClosestToScreenPt(inputDeviceScreenPt, worldMtx, focusCamera);
Vector2 screenVert = focusCamera.WorldToScreenPoint(worldVert);
float distSqr = (inputDeviceScreenPt - screenVert).sqrMagnitude;
if (distSqr < minDistSqr)
{
minDistSqr = distSqr;
point = worldVert;
foundPoint = true;
}
}
}
else
{
OBB spriteWorldOBB = ObjectBounds.CalcSpriteWorldOBB(srcObject);
if (spriteWorldOBB.IsValid)
{
List <Vector3> obbPoints = spriteWorldOBB.GetCenterAndCornerPoints();
List <Vector2> screenPoints = focusCamera.ConvertWorldToScreenPoints(obbPoints);
int closestPtIndex = Vector2Ex.GetPointClosestToPoint(screenPoints, inputDeviceScreenPt);
if (closestPtIndex >= 0)
{
Vector2 closestPt = screenPoints[closestPtIndex];
float distSqr = (inputDeviceScreenPt - closestPt).sqrMagnitude;
if (distSqr < minDistSqr)
{
minDistSqr = distSqr;
point = obbPoints[closestPtIndex];
foundPoint = true;
}
}
}
}
}
return(foundPoint);
}
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));
}
