public List <Triangle3DIntersectInfo> GetIntersectingTriangles(TransformMatrix thisTransform, Octave3DMesh otherMesh, TransformMatrix otherTransform)
{
OrientedBox thisOOBB = new OrientedBox(ModelAABB);
thisOOBB.Transform(thisTransform);
OrientedBox otherOOBB = new OrientedBox(otherMesh.ModelAABB);
otherOOBB.Transform(otherTransform);
if (thisOOBB.Intersects(otherOOBB))
{
List <Triangle3D> thisTriangles = GetOverlappedTriangles(otherOOBB, thisTransform);
var output = new List <Triangle3DIntersectInfo>(50);
Triangle3DIntersectInfo intersectInfo;
for (int thisTriIndex = 0; thisTriIndex < thisTriangles.Count; ++thisTriIndex)
{
Triangle3D thisTri = thisTriangles[thisTriIndex];
OrientedBox thisTriOOBB = new OrientedBox(thisTri.GetEncapsulatingBox());
List <Triangle3D> otherTriangles = otherMesh.GetOverlappedTriangles(thisTriOOBB, otherTransform);
for (int otherTriIndex = 0; otherTriIndex < otherTriangles.Count; ++otherTriIndex)
{
Triangle3D otherTri = otherTriangles[otherTriIndex];
if (thisTri.IntersectsTriangle(otherTri, out intersectInfo))
{
output.Add(intersectInfo);
}
}
}
return(output);
}
else
{
return(new List <Triangle3DIntersectInfo>());
}
}
/// <summary>
/// Returns a list of all objects which are overlapped by the specified box.
/// </summary>
/// <param name="box">
/// The box involved in the overlap query.
/// </param>
public List <GameObject> OverlapBox(OrientedBox box)
{
// Retrieve all the sphere tree nodes which are overlapped by the box. If no nodes are overlapped,
// we can return an empty list because it means that no objects could possibly be overlapped either.
List <SphereTreeNode <GameObject> > allOverlappedNodes = _sphereTree.OverlapBox(box);
if (allOverlappedNodes.Count == 0)
{
return(new List <GameObject>());
}
// Loop through all overlapped nodes
var overlappedObjects = new List <GameObject>();
foreach (SphereTreeNode <GameObject> node in allOverlappedNodes)
{
// Store the node's object for easy access
GameObject gameObject = node.Data;
if (gameObject == null)
{
continue;
}
if (!gameObject.activeSelf)
{
continue;
}
// We need to perform an additional check. Even though the box overlaps the object's node (which is
// a sphere), we must also check if the box overlaps the object's world oriented box. This allows
// for better precision.
OrientedBox objectWorldOrientedBox = gameObject.GetWorldOrientedBox();
if (box.Intersects(objectWorldOrientedBox))
{
overlappedObjects.Add(gameObject);
}
}
return(overlappedObjects);
}
public List <Triangle3D> GetOverlappedWorldTriangles(OrientedBox box, TransformMatrix meshTransformMatrix)
{
// If the tree was not yet build, we need to build it because we need
// the triangle information in order to perform the raycast.
if (!_wasBuilt)
{
Build();
}
// Work in mesh model space because the tree data exists in model space
OrientedBox meshSpaceBox = new OrientedBox(box);
Matrix4x4 inverseTransform = meshTransformMatrix.ToMatrix4x4x.inverse;
meshSpaceBox.Transform(inverseTransform);
List <SphereTreeNode <MeshSphereTreeTriangle> > overlappedNodes = _sphereTree.OverlapBox(meshSpaceBox);
if (overlappedNodes.Count == 0)
{
return(new List <Triangle3D>());
}
Box queryBox = Box.FromPoints(meshSpaceBox.GetCenterAndCornerPoints());
var overlappedWorldTriangles = new List <Triangle3D>(50);
foreach (var node in overlappedNodes)
{
int triangleIndex = node.Data.TriangleIndex;
MeshTriangleInfo triangleInfo = _octave3DMesh.GetMeshTriangleInfo(triangleIndex);
if (triangleInfo.ModelSpaceTriangle.IntersectsBox(queryBox))
{
triangleInfo.ModelSpaceTriangle.TransformPoints(meshTransformMatrix);
overlappedWorldTriangles.Add(triangleInfo.ModelSpaceTriangle);
}
}
return(overlappedWorldTriangles);
}
public void FromOrientedBoxAndDecorStrokeSurface(OrientedBox orientedBox, DecorPaintStrokeSurface decorPaintStrokeSurface)
{
if (!decorPaintStrokeSurface.IsValid)
{
return;
}
Vector3 surfacePlaneNormal = decorPaintStrokeSurface.Plane.normal;
if (AllShortcutCombos.Instance.PlaceGuideBehindSurfacePlane.IsActive())
{
surfacePlaneNormal *= -1.0f;
}
BoxFace boxFaceMostAlignedWithSurface = orientedBox.GetBoxFaceWhichFacesNormal(surfacePlaneNormal);
List <Vector3> cornerPointsOfFaceMostAlignedWithSurface = orientedBox.GetBoxFaceCornerPoints(boxFaceMostAlignedWithSurface);
CalculatePointsPlane(orientedBox, decorPaintStrokeSurface);
StoreObjectPivotPoints(_pointsPlane.ProjectAllPoints(cornerPointsOfFaceMostAlignedWithSurface));
StoreUnprojectedPivotPoints(cornerPointsOfFaceMostAlignedWithSurface);
CalculateArea();
}
public void SetData(ObjectPlacementPathManualConstructionSessionData sessionData)
{
if (!_isActive)
{
_path = sessionData.Path;
_pathSegments = sessionData.PathSegments;
_pathExtensionPlane = sessionData.PathExtensionPlane;
_tileConnectionGridCells = sessionData.TileConnectionGridCells;
_startObject = sessionData.StartObject;
_startObjectHierarchyWorldOrientedBox = _startObject.GetHierarchyWorldOrientedBox();
_pathSettings = _path.Settings;
_tileConnectionSettings = _pathSettings.TileConnectionSettings;
_manualConstructionSettings = _pathSettings.ManualConstructionSettings;
_heightAdjustmentSettings = _manualConstructionSettings.HeightAdjustmentSettings;
_paddingSettings = _manualConstructionSettings.PaddingSettings;
_borderSettings = _manualConstructionSettings.BorderSettings;
_pathNoTileConnectionsObjectPlacementDataCalculator.Path = _path;
_pathWithTileConnectionsObjectPlacementDataCalculator.Path = _path;
}
}
public void UpdateProjectedBoxFacePivotPoints(GameObject hierarchyRoot, ProjectedBoxFacePivotPoints projectedBoxFacePivotPoints, bool keepCurrentSnapSurface)
{
OrientedBox hierarchyWorldOrientedBox = hierarchyRoot.GetHierarchyWorldOrientedBox();
if (!hierarchyWorldOrientedBox.IsValid())
{
return;
}
if (keepCurrentSnapSurface)
{
if (!_objectSnapSurface.IsValid)
{
return;
}
projectedBoxFacePivotPoints.FromOrientedBoxAndSnapSurface(hierarchyWorldOrientedBox, _objectSnapSurface);
}
else
{
_objectSnapSurface.FromMouseCursorRayHit(GetCursorRayHit());
projectedBoxFacePivotPoints.FromOrientedBoxAndSnapSurface(hierarchyWorldOrientedBox, _objectSnapSurface);
}
}
public void UpdateForMouseMovement()
{
if (_state == State.Inactive)
{
return;
}
if (MouseButtonStates.Instance.IsMouseButtonDown(MouseButton.Left))
{
_state = State.Snap;
}
else
{
_state = State.SelectPivot;
}
if (_state == State.SelectPivot && _selectedParents.Count != 0)
{
Camera camera = SceneViewCamera.Camera;
Vector2 mousePos = Event.current.InvMousePos(camera);
_isPivotAvailable = false;
float minDistanceSq = float.MaxValue;
foreach (var parent in _selectedParents)
{
if (parent == null)
{
continue;
}
OrientedBox worldOOBB = parent.GetHierarchyWorldOrientedBox();
if (worldOOBB.IsValid())
{
List <Vector3> centerAndCorners = worldOOBB.GetCenterAndCornerPoints();
List <Vector2> oobbScreenPts = Vector2Extensions.GetScreenPoints(centerAndCorners, camera);
for (int ptIndex = 0; ptIndex < centerAndCorners.Count; ++ptIndex)
{
Vector3 worldPt = centerAndCorners[ptIndex];
Vector2 screenPt = oobbScreenPts[ptIndex];
float distSq = (mousePos - screenPt).sqrMagnitude;
if (distSq < minDistanceSq)
{
minDistanceSq = distSq;
_pivot = worldPt;
_isPivotAvailable = true;
}
}
}
}
}
else
if (_state == State.Snap && _isPivotAvailable)
{
GameObjectExtensions.RecordObjectTransformsForUndo(_selectedParents);
MouseCursorRayHit cursorHit = MouseCursor.Instance.GetCursorRayHitForGridCell();
if (cursorHit.WasACellHit)
{
Camera camera = SceneViewCamera.Camera;
Vector2 mousePos = Event.current.InvMousePos(camera);
GridCellRayHit cellRayHit = cursorHit.GridCellRayHit;
Vector3 snapDestination = Vector3Extensions.GetClosestPointToPoint(cellRayHit.HitCell.Quad.GetCenterAndCornerPoints(), cellRayHit.HitPoint);
Vector3 moveVector = snapDestination - _pivot;
foreach (var parent in _selectedParents)
{
if (parent != null)
{
parent.transform.position += moveVector;
}
}
_pivot = snapDestination;
ObjectSelection.Get().ObjectSelectionTransformGizmoSystem.OnObjectSelectionUpdated();
}
}
}
public void RenderMirroredEntityOrientedBox(OrientedBox entityBox)
{
_mirroredEntityRenderer.RenderMirroredEntityOrientedBox(_mirror.WorldPlane, entityBox, _mirrorRotation, RenderSettings.MirroredBoxColor, RenderSettings.MirroredBoxBorderLineColor);
}
private bool DoesGuideIntersectPreviuslyPlacedObjectHierarchy()
{
OrientedBox guideWorldOrientedBox = ObjectPlacementGuide.SceneObject.GetHierarchyWorldOrientedBox();
return(guideWorldOrientedBox.Intersects(_orientedBoxOfLastPlacedHierarchy));
}
public List <ObjectPlacementData> Calculate(Quaternion rotationToApplyForStrokeAlignment)
{
if (!ValidateCalculationRequirements())
{
return(new List <ObjectPlacementData>());
}
_objectNodeNetwork.Clear();
_rotationToApplyForStrokeAlignment = rotationToApplyForStrokeAlignment;
CreateSurfaceColliderProjector();
_elementToNewPrefabRotation.Clear();
_allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForDecorPaintBrushModeDrag;
int currentObjectIndex = 0;
var objectPlacementDataInstances = new List <ObjectPlacementData>(_workingBrush.MaxNumberOfObjects);
while (currentObjectIndex < _workingBrush.MaxNumberOfObjects)
{
DecorPaintObjectPlacementBrushElement brushElement = _brushElementSpawnChanceTable.PickEntity(UnityEngine.Random.Range(0.0f, 1.0f));
int brushElementIndex = _allValidBrushElements.FindIndex(item => item == brushElement);
++currentObjectIndex;
// No object nodes were created yet?
if (_objectNodeNetwork.NumberOfNodes == 0)
{
// Create the first node at a random position inside the brush circle
Vector3 randomPositionInsideCircle = _workingBrushCircle.GetRandomPointInside();
ObjectSurfaceData objectSurfaceData = CalculateObjectSurfaceData(randomPositionInsideCircle);
MatrixObjectBoxPair matrixObjectBoxPair = CalculateMatrixObjectBoxPair(brushElementIndex, objectSurfaceData);
// We need to know if the normal of the surface on which the object resides lies within the desired slope range
bool passesSlopeTest = DoesObjectSurfacePassSlopeTest(objectSurfaceData, brushElement);
// Note: Even if the slope test is not passed, we will still create an object node. The reason for this is that
// we want to have some kind of continuity in the algorithm. Imagine that the brush circle is large and is
// divided by a large terrain mountain which sits in the middle. If the object generation starts on one side
// of the mountain, the algorithm might never get a chance to go over the other side if the slope condition
// is not satisifed. We want to spread objects as much as possible so even though this object will not be
// placed in the scene, we will still add it to the node network.
_objectNodeNetwork.AddNodeToEnd(matrixObjectBoxPair.ObjectBox, objectSurfaceData);
if (passesSlopeTest && DoesBoxPassObjectIntersectionTest(matrixObjectBoxPair.ObjectBox, brushElement.Prefab.UnityPrefab, matrixObjectBoxPair.ObjectMatrix))
{
objectPlacementDataInstances.Add(new ObjectPlacementData(matrixObjectBoxPair.ObjectMatrix, brushElement.Prefab, brushElement.MustEmbedInSurface));
}
}
else
{
// Are there any node segments available?
if (_objectNodeNetwork.NumberOfSegments != 0)
{
// The first step is to generate a random node index and store references to that node and its immediate neighbour
_objectNodeNetwork.RemoveAllNodesWhichGenerateConcavities(_workingBrushCircle.Plane);
int randomNodeIndex = _objectNodeNetwork.GetRandomNodeIndex();
ObjectNode firstNode = _objectNodeNetwork.GetNodeByIndex(randomNodeIndex);
ObjectNode secondNode = _objectNodeNetwork.GetNodeByIndex(randomNodeIndex + 1);
// Calculate the plane of the segment which unites the 2 nodes. We will also store the
// actual segment and the middle point on the segment. We will use this middle point to
// generate the initial object position.
Segment3D nodeSegment = ObjectNodeNetwork.CalculateSegmentBetweenNodes(firstNode, secondNode);
Vector3 segmentMidPoint = nodeSegment.GetPoint(0.5f);
Plane segmentPlane = ObjectNodeNetwork.CalculateSegmentPlaneNormal(firstNode, secondNode);
OrientedBox firstNodeBox = firstNode.ObjectBox;
OrientedBox secondNodeBox = secondNode.ObjectBox;
// Calculate the furthest point in front of the plane using the corner points of the
// 2 nodes. The idea is to move the new object as much as possible from the bulk of
// objects that have already been generated.
Vector3 furthestPointFromPlane;
List <Vector3> nodeCornerPoints = firstNodeBox.GetCornerPoints();
nodeCornerPoints.AddRange(secondNodeBox.GetCornerPoints());
if (!segmentPlane.GetFurthestPointInFront(nodeCornerPoints, out furthestPointFromPlane))
{
continue;
}
// Use the calculated furthest point from plane and the the existing plane normal to calculate the
// pivot plane. The new object will reside at some distance away from this plane.
Plane pivotPlane = new Plane(segmentPlane.normal, furthestPointFromPlane);
// Calculate the new object transform data. We will use the segment's mid point to generate the
// initial object position.
ObjectSurfaceData objectSurfaceData = CalculateObjectSurfaceData(segmentMidPoint);
MatrixObjectBoxPair matrixObjectBoxPair = CalculateMatrixObjectBoxPair(brushElementIndex, objectSurfaceData);
OrientedBox objectBox = matrixObjectBoxPair.ObjectBox;
// Identify the objects's furthest point behind the plane
Vector3 objectBoxPivotPoint;
List <Vector3> objectBoxCornerPoints = objectBox.GetCornerPoints();
if (!pivotPlane.GetFurthestPointBehind(objectBoxCornerPoints, out objectBoxPivotPoint))
{
continue;
}
// Use the furthest point to move the object in front of the plane and take the distance between objects into account
Vector3 fromPivotPointToCenter = objectBox.Center - objectBoxPivotPoint;
Vector3 projectedPivotPoint = pivotPlane.ProjectPoint(objectBoxPivotPoint);
objectBox.Center = projectedPivotPoint + fromPivotPointToCenter + pivotPlane.normal * _workingBrush.DistanceBetweenObjects;
// Generate the object surface data
objectSurfaceData = CalculateObjectSurfaceData(objectBox.Center);
bool passesSlopeTest = DoesObjectSurfacePassSlopeTest(objectSurfaceData, brushElement);
// Now we need to adjust the orientation and center of the box. If the calculated center
// lies outside the brush circle, we will ignore this node.
AdjustObjectBoxRotationOnSurface(objectBox, objectSurfaceData, brushElement);
AdjustObjectBoxCenterToSitOnSurface(objectBox, objectSurfaceData, brushElement);
if (!_workingBrushCircle.ContainsPoint(_workingBrushCircle.Plane.ProjectPoint(objectBox.Center)))
{
continue;
}
// Recalculate the object matrix using the new box data
TransformMatrix objectMatrix = matrixObjectBoxPair.ObjectMatrix;
objectMatrix.Rotation = objectBox.Rotation;
objectMatrix.Translation = ObjectPositionCalculator.CalculateObjectHierarchyPosition(brushElement.Prefab, objectBox.Center, objectMatrix.Scale, objectBox.Rotation);
// We have been modifying the matrix and box data independently so we will ensure that the box uses the latest data
OrientedBox finalBox = new OrientedBox(objectBox);
finalBox.SetTransformMatrix(objectMatrix);
// If the slope test passed, we will calculate an object placement data instance. Otherwise, we will just insert a new node.
if (passesSlopeTest && DoesBoxPassObjectIntersectionTest(finalBox, brushElement.Prefab.UnityPrefab, objectMatrix))
{
objectPlacementDataInstances.Add(new ObjectPlacementData(objectMatrix, brushElement.Prefab, brushElement.MustEmbedInSurface));
}
_objectNodeNetwork.InsertAfterNode(objectBox, objectSurfaceData, randomNodeIndex);
}
else
{
// When there are no segments available it means we have only one node. We will use this node to generate
// a new one at some distance away from it. First we will store some data that we will need during the entire
// procedure.
ObjectNode pivotNode = _objectNodeNetwork.GetFirstNode();
Vector3 pivotNodeSurfaceTangent = pivotNode.ObjectSurfaceData.GetSurfaceTangentVector();
OrientedBox pivotNodeObjectBox = pivotNode.ObjectBox;
// We will place the new node at some distance away from the first node's face which points
// along the calculated tangent vector. We will call this the pivot face.
BoxFace pivotBoxFace = pivotNodeObjectBox.GetBoxFaceMostAlignedWithNormal(pivotNodeSurfaceTangent);
Plane pivotFacePlane = pivotNodeObjectBox.GetBoxFacePlane(pivotBoxFace);
// Generate the data for the new node in the same position as the first node.
// Note: Although the same position is used, the rotation and scale will differ and they will
// be established by 'CalculateMatrixObjectBoxPair'.
MatrixObjectBoxPair matrixObjectBoxPair = CalculateMatrixObjectBoxPair(brushElementIndex, pivotNode.ObjectSurfaceData);
OrientedBox objectBox = matrixObjectBoxPair.ObjectBox;
// At this point we have to start moving the generated object box to its new positino along the
// tangent vector. We will do this by calculating the furthest box point which lies behind the
// pivot plane and then move the box so that this point resides on that plane. We will call this
// the pivot point.
// Note: We will perform a safety check to see if this point could not be calculated and use the
// closest point in front if necessary. However, this check should not be necessary. Because
// we are placing te object box in the center of the previous box, we can be usre that there
// will always be a point which lies behind the pivot plane.
Vector3 objectBoxPivotPoint;
List <Vector3> objectBoxCornerPoints = objectBox.GetCornerPoints();
if (!pivotFacePlane.GetFurthestPointBehind(objectBoxCornerPoints, out objectBoxPivotPoint) &&
!pivotFacePlane.GetClosestPointInFront(objectBoxCornerPoints, out objectBoxPivotPoint))
{
continue;
}
// Project the pivot point onto the pivot plane. We will also store a vector which goes from the
// original pivot point to the box center. This will allow us to maintain the relationship between
// the projected pivot point and the box center so that the center can be adjusted accordingly.
Vector3 fromPivotPointToCenter = objectBox.Center - objectBoxPivotPoint;
Vector3 projectedPivotPoint = pivotFacePlane.ProjectPoint(objectBoxPivotPoint);
// Adjust the center using the projected pivot point and also take the distance between objects into account
objectBox.Center = projectedPivotPoint + fromPivotPointToCenter + pivotNodeSurfaceTangent * _workingBrush.DistanceBetweenObjects;
// Generate the object surface data at the current box position.
// Note: This is the step which can actually cause objects to intersect a little bit. The surface data is
// calculated by projecting along the brush circle plane normal. If we are placing objects on a terrain
// and the center of the circle lies somewhere at the base of the terrain where the normal points straight
// up, but the center of the box resides somewhere on a clif, the new center might move the box closer
// or even further away from the pivot node. This however, should not be a problem especially if the distance
// between objects is not 0.
ObjectSurfaceData objectSurfaceData = CalculateObjectSurfaceData(objectBox.Center);
bool passesSlopeTest = DoesObjectSurfacePassSlopeTest(objectSurfaceData, brushElement);
// Now we need to adjust the orientation and center of the box. If the calculated center
// lies outside the brush circle, we will ignore this node.
AdjustObjectBoxRotationOnSurface(objectBox, objectSurfaceData, brushElement);
AdjustObjectBoxCenterToSitOnSurface(objectBox, objectSurfaceData, brushElement);
if (!_workingBrushCircle.ContainsPoint(_workingBrushCircle.Plane.ProjectPoint(objectBox.Center)))
{
continue;
}
// Recalculate the object matrix using the new box data
TransformMatrix objectMatrix = matrixObjectBoxPair.ObjectMatrix;
objectMatrix.Rotation = objectBox.Rotation;
objectMatrix.Translation = ObjectPositionCalculator.CalculateObjectHierarchyPosition(brushElement.Prefab, objectBox.Center, objectMatrix.Scale, objectBox.Rotation);
// We have been modifying the matrix and box data independently so we will ensure that the box uses the latest data
OrientedBox finalBox = new OrientedBox(objectBox);
finalBox.SetTransformMatrix(objectMatrix);
// If the slope test passed, we will calculate an object placement data instance. Otherwise, we will just insert a new node.
if (passesSlopeTest && DoesBoxPassObjectIntersectionTest(finalBox, brushElement.Prefab.UnityPrefab, objectMatrix))
{
objectPlacementDataInstances.Add(new ObjectPlacementData(objectMatrix, brushElement.Prefab, brushElement.MustEmbedInSurface));
}
_objectNodeNetwork.InsertAfterNode(objectBox, objectSurfaceData, 0);
}
}
}
// Adjust the prefab rotations for the next time the function is called
if (_elementToNewPrefabRotation.Count != 0)
{
foreach (var prefabRotationPair in _elementToNewPrefabRotation)
{
DecorPaintObjectPlacementBrushElement brushElement = prefabRotationPair.Key;
if (_elementToCurrentPrefabRotation.ContainsKey(brushElement))
{
_elementToCurrentPrefabRotation[brushElement] = prefabRotationPair.Value;
}
}
}
return(objectPlacementDataInstances);
}
public ObjectNode(OrientedBox objectBox, ObjectSurfaceData objectSurfaceData)
{
_objectBox = new OrientedBox(objectBox);
_objectSurfaceData = new ObjectSurfaceData(objectSurfaceData);
}
public static List <OrientedBox> GetTileConnectionExtrusionOrientedBoxes(ObjectPlacementPathTileConnectionGridCell tileConnectionGridCell)
{
ObjectPlacementBoxStack tileConnectionStack = tileConnectionGridCell.TileConnectionStack;
ObjectPlacementPathTileConnectionTypeSettings tileConnectionTypeSettings = tileConnectionGridCell.TileConnectionPath.Settings.TileConnectionSettings.GetSettingsForTileConnectionType(tileConnectionGridCell.TileConnectionType);
if (tileConnectionStack != null)
{
if (tileConnectionStack.NumberOfBoxes == 0)
{
return(new List <OrientedBox>());
}
if (tileConnectionTypeSettings.IsAnyExtrusionNecessary())
{
// Handle upwards extrusion
Vector3 nextTilePositionForUpwardsExtrusion;
Vector3 extrudeOffset;
Vector3 pathExtensionPlaneNormal = tileConnectionGridCell.TileConnectionPath.ExtensionPlane.normal;
var tileConnectionYOffsetVectorCalculator = new ObjectPlacementPathTileConnectionYOffsetVectorCalculator();
Vector3 yOffsetVector = tileConnectionYOffsetVectorCalculator.Calculate(tileConnectionTypeSettings, tileConnectionGridCell.TileConnectionPath);
extrudeOffset = pathExtensionPlaneNormal * tileConnectionStack.GetBoxSizeAlongNormalizedDirection(pathExtensionPlaneNormal);
if (tileConnectionStack.IsGrowingUpwards)
{
nextTilePositionForUpwardsExtrusion = tileConnectionStack.GetBoxByIndex(tileConnectionStack.NumberOfBoxes - 1).Center + extrudeOffset;
}
else
{
nextTilePositionForUpwardsExtrusion = tileConnectionStack.GetBoxByIndex(0).Center + extrudeOffset;
}
var extrudedBox = new OrientedBox();
extrudedBox.Rotation = tileConnectionStack.Rotation;
extrudedBox.ModelSpaceSize = tileConnectionStack.BoxSize;
var extrusionOrientedBoxes = new List <OrientedBox>();
for (int extrudeIndex = 0; extrudeIndex < tileConnectionTypeSettings.UpwardsExtrusionAmount; ++extrudeIndex)
{
extrudedBox.Center = nextTilePositionForUpwardsExtrusion + yOffsetVector;
extrusionOrientedBoxes.Add(new OrientedBox(extrudedBox));
nextTilePositionForUpwardsExtrusion += extrudeOffset;
}
// Handle downwards extrusion
extrudeOffset = -pathExtensionPlaneNormal *tileConnectionStack.GetBoxSizeAlongNormalizedDirection(pathExtensionPlaneNormal);
if (tileConnectionStack.IsGrowingDownwards)
{
nextTilePositionForUpwardsExtrusion = tileConnectionStack.GetBoxByIndex(tileConnectionStack.NumberOfBoxes - 1).Center + extrudeOffset;
}
else
{
nextTilePositionForUpwardsExtrusion = tileConnectionStack.GetBoxByIndex(0).Center + extrudeOffset;
}
for (int extrudeIndex = 0; extrudeIndex < tileConnectionTypeSettings.DownwardsExtrusionAmount; ++extrudeIndex)
{
extrudedBox.Center = nextTilePositionForUpwardsExtrusion + yOffsetVector;
extrusionOrientedBoxes.Add(new OrientedBox(extrudedBox));
nextTilePositionForUpwardsExtrusion += extrudeOffset;
}
return(extrusionOrientedBoxes);
}
else
{
return(new List <OrientedBox>());
}
}
else
{
return(new List <OrientedBox>());
}
}
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);
}
}
}
}
public List <ObjectPlacementData> Calculate()
{
if (_block == null || _block.NumberOfSegments == 0 || !ObjectPlacementGuide.ExistsInScene)
{
return(new List <ObjectPlacementData>());
}
Prefab placementGuidePrefab = ObjectPlacementGuide.Instance.SourcePrefab;
Vector3 placementGuideWorldScale = ObjectPlacementGuide.Instance.WorldScale;
Quaternion placementGuideWorldRotation = ObjectPlacementGuide.Instance.WorldRotation;
float objectMissChance = _block.Settings.ManualConstructionSettings.ObjectMissChance;
ObjectRotationRandomizationSettings blockObjectRotationRandomizationSettings = _block.Settings.ManualConstructionSettings.ObjectRotationRandomizationSettings;
bool randomizeRotations = blockObjectRotationRandomizationSettings.RandomizeRotation;
Vector3 objectOffsetAlongExtensionPlaneNormal = _block.Settings.ManualConstructionSettings.OffsetAlongGrowDirection * _block.ExtensionPlane.normal;
bool allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForBlockPlacement;
bool randomizePrefabs = _block.Settings.ManualConstructionSettings.RandomizePrefabs;
PrefabCategory activePrefabCategory = PrefabCategoryDatabase.Get().ActivePrefabCategory;
ObjectPlacementBlockProjectionSettings projectionSettings = _block.Settings.BlockProjectionSettings;
bool canProject = projectionSettings.ProjectOnSurface &&
(projectionSettings.CanProjectOnMesh || projectionSettings.CanProjectOnTerrain);
var objectPlacementDataInstances = new List <ObjectPlacementData>(_block.NumberOfSegments * 10);
for (int segmentIndex = 0; segmentIndex < _block.NumberOfSegments; ++segmentIndex)
{
ObjectPlacementBoxStackSegment segment = _block.GetSegmentByIndex(segmentIndex);
for (int stackIndex = 0; stackIndex < segment.NumberOfStacks; ++stackIndex)
{
ObjectPlacementBoxStack stack = segment.GetStackByIndex(stackIndex);
if (stack.IsOverlappedByAnotherStack || stack.NumberOfBoxes == 0)
{
continue;
}
Vector3 projectionOffset = Vector3.zero;
Vector3 projectionDirection = Vector3.zero;
Quaternion prjAlignRotation = Quaternion.identity;
GameObjectRayHit projectionSurfaceHit = null;
if (canProject)
{
Vector3 rayOrigin = stack.GetBoxByIndex(0).Center;
Vector3 rayDir = Vector3.zero;
if (projectionSettings.ProjectionDirection == ObjectBlockProjectionDir.BlockUp)
{
rayDir = _block.ExtensionPlane.normal;
}
else
{
rayDir = -_block.ExtensionPlane.normal;
}
projectionDirection = rayDir;
Ray ray = new Ray(rayOrigin, rayDir);
GameObjectRayHit closestMeshHit = null;
GameObjectRayHit closestTerrainHit = null;
if (projectionSettings.CanProjectOnMesh)
{
closestMeshHit = Octave3DScene.Get().RaycastAllMeshClosest(ray);
}
if (projectionSettings.CanProjectOnTerrain)
{
closestTerrainHit = Octave3DScene.Get().RaycastAllTerainsClosest(ray);
}
// Ignore stack if no surface was found and non-projectables must be rejected
if (closestMeshHit == null && closestTerrainHit == null)
{
if (projectionSettings.RejectNonProjectables)
{
continue;
}
}
else
{
projectionSurfaceHit = closestMeshHit;
if (closestMeshHit == null || (closestTerrainHit != null && closestMeshHit.HitEnter > closestTerrainHit.HitEnter))
{
projectionSurfaceHit = closestTerrainHit;
}
}
if (projectionSurfaceHit != null)
{
ObjectPlacementBox projectionBox = stack.GetBoxByIndex(0);
projectionOffset = projectionSurfaceHit.HitPoint - stack.GetBoxByIndex(0).Center;
if (projectionOffset.sqrMagnitude > (projectionSurfaceHit.HitPoint - stack.GetBoxByIndex(stack.NumberOfBoxes - 1).Center).sqrMagnitude)
{
projectionBox = stack.GetBoxByIndex(stack.NumberOfBoxes - 1);
projectionOffset = projectionSurfaceHit.HitPoint - projectionBox.Center;
}
if (!projectionSettings.AlignToSurfaceNormal)
{
var oobb = projectionBox.OrientedBox;
Vector3 oldCenter = oobb.Center;
GameObjectExtensions.EmbedObjectBoxInSurface(oobb, projectionDirection, projectionSurfaceHit.HitObject);
projectionOffset = oobb.Center - oldCenter;
}
}
}
for (int stackBoxIndex = 0; stackBoxIndex < stack.NumberOfBoxes; ++stackBoxIndex)
{
ObjectPlacementBox box = stack.GetBoxByIndex(stackBoxIndex);
if (box.IsHidden)
{
continue;
}
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementBlockManualConstructionSettings.MinObjectMissChance,
ObjectPlacementBlockManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(box.OrientedBox, true))
{
continue;
}
Quaternion worldRotation = placementGuideWorldRotation;
if (randomizeRotations)
{
worldRotation = ObjectRotationRandomization.GenerateRandomRotationQuaternion(blockObjectRotationRandomizationSettings);
}
Vector3 worldScale = placementGuideWorldScale;
Prefab prefab = placementGuidePrefab;
if (randomizePrefabs && activePrefabCategory.NumberOfPrefabs != 0)
{
int randomPrefabIndex = UnityEngine.Random.Range(0, activePrefabCategory.NumberOfPrefabs);
Prefab randomPrefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
if (randomPrefab != null && randomPrefab.UnityPrefab != null)
{
prefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
worldScale = prefab.UnityPrefab.transform.lossyScale;
}
}
Vector3 boxCenter = box.Center + objectOffsetAlongExtensionPlaneNormal + projectionOffset;
if (projectionSurfaceHit != null)
{
if (projectionSettings.AlignToSurfaceNormal)
{
worldRotation = AxisAlignment.CalculateRotationQuaternionForAxisAlignment(worldRotation, projectionSettings.AlignmentAxis, projectionSurfaceHit.HitNormal);
OrientedBox prefabWorldOOBB = prefab.UnityPrefab.GetHierarchyWorldOrientedBox();
Vector3 oobbSize = prefabWorldOOBB.ScaledSize;
int axisIndex = (int)((int)(projectionSettings.AlignmentAxis) * 0.5f);
boxCenter = projectionSurfaceHit.HitPoint + projectionSurfaceHit.HitNormal * oobbSize[axisIndex] * 0.5f + (oobbSize[axisIndex] * stackBoxIndex * projectionSurfaceHit.HitNormal);
}
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(prefab, boxCenter, worldScale, worldRotation);
objectPlacementData.WorldScale = worldScale;
objectPlacementData.WorldRotation = worldRotation;
objectPlacementData.Prefab = prefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
}
}
return(objectPlacementDataInstances);
}
private bool IsGameObjectFullyOverlappedByCircle(GameObject gameObject)
{
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
return(IsWorldOrientedBoxFullyOverlappedByCircle(worldOrientedBox));
}
public override void Render(List <GameObject> selectedObjects)
{
ObjectSelectionRenderSettings selectionRenderSettings = ObjectSelectionRenderSettings.Get();
ObjectSelectionBoxRenderModeSettings selectionBoxRenderModeSettings = selectionRenderSettings.BoxRenderModeSettings;
ObjectSelectionBoxCornerEdgesRenderModeSettings selectionBoxCornerEdgesRenderModeSettings = selectionBoxRenderModeSettings.CornerEdgesRenderModeSettings;
Color boxColor = selectionBoxRenderModeSettings.BoxColor;
Color edgeColor = selectionBoxRenderModeSettings.EdgeColor;
float boxScale = selectionBoxRenderModeSettings.BoxScale;
bool renderBoxes = boxColor.a != 0.0f;
bool renderEdges = edgeColor.a != 0.0f;
if (!renderBoxes && !renderEdges)
{
return;
}
// Note: Code duplication is intentional here in order to avoid further abstractions which may hinder performance.
if (selectionBoxRenderModeSettings.EdgeRenderMode == ObjectSelectionBoxEdgeRenderMode.Wire)
{
if (renderBoxes && renderEdges)
{
foreach (GameObject gameObject in selectedObjects)
{
if (!gameObject.activeInHierarchy)
{
continue;
}
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid())
{
worldOrientedBox.Scale *= boxScale;
GizmosEx.RenderOrientedBox(worldOrientedBox, boxColor);
GizmosEx.RenderOrientedBoxEdges(worldOrientedBox, edgeColor);
}
}
}
else
if (renderEdges && !renderBoxes)
{
foreach (GameObject gameObject in selectedObjects)
{
if (!gameObject.activeInHierarchy)
{
continue;
}
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid())
{
worldOrientedBox.Scale *= boxScale;
GizmosEx.RenderOrientedBoxEdges(worldOrientedBox, edgeColor);
}
}
}
else
if (renderBoxes && !renderEdges)
{
foreach (GameObject gameObject in selectedObjects)
{
if (!gameObject.activeInHierarchy)
{
continue;
}
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid())
{
worldOrientedBox.Scale *= boxScale;
GizmosEx.RenderOrientedBox(worldOrientedBox, boxColor);
}
}
}
}
else
if (selectionBoxRenderModeSettings.EdgeRenderMode == ObjectSelectionBoxEdgeRenderMode.CornerEdges)
{
float cornerEdgeLengthPercentage = selectionBoxCornerEdgesRenderModeSettings.CornerEdgeLengthPercentage;
if (renderBoxes && renderEdges)
{
foreach (GameObject gameObject in selectedObjects)
{
if (!gameObject.activeInHierarchy)
{
continue;
}
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid())
{
worldOrientedBox.Scale *= boxScale;
GizmosEx.RenderOrientedBox(worldOrientedBox, boxColor);
GizmosEx.RenderOrientedBoxCornerEdges(worldOrientedBox, cornerEdgeLengthPercentage, edgeColor);
}
}
}
else
if (renderEdges && !renderBoxes)
{
foreach (GameObject gameObject in selectedObjects)
{
if (!gameObject.activeInHierarchy)
{
continue;
}
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid())
{
worldOrientedBox.Scale *= boxScale;
GizmosEx.RenderOrientedBoxCornerEdges(worldOrientedBox, cornerEdgeLengthPercentage, edgeColor);
}
}
}
else
if (renderBoxes && !renderEdges)
{
foreach (GameObject gameObject in selectedObjects)
{
if (!gameObject.activeInHierarchy)
{
continue;
}
OrientedBox worldOrientedBox = gameObject.GetWorldOrientedBox();
if (worldOrientedBox.IsValid())
{
worldOrientedBox.Scale *= boxScale;
GizmosEx.RenderOrientedBox(worldOrientedBox, boxColor);
}
}
}
}
}
public MatrixObjectBoxPair(TransformMatrix objectMatrix, OrientedBox objectBox)
{
_objectMatrix = objectMatrix;
_objectBox = new OrientedBox(objectBox);
}
public static bool IntersectsAnyObjectsInScene(OrientedBox orientedBox, List <GameObject> ignoreObjects, bool ignoreFaceTouch)
{
return(GetIntersectingObjects(orientedBox, ignoreObjects, ignoreFaceTouch).Count != 0);
}
public void AddNodeToEnd(OrientedBox orientedBox, ObjectSurfaceData objectSurfaceData)
{
_nodes.Add(new ObjectNode(orientedBox, objectSurfaceData));
}
public List <GameObject> OverlapBox(OrientedBox box)
{
return(_gameObjectSphereTree.OverlapBox(box));
}
private MatrixObjectBoxPair CalculateMatrixObjectBoxPair(int brushElementIndex, ObjectSurfaceData objectSurfaceData)
{
// Store the needed data for easy access
DecorPaintObjectPlacementBrushElement brushElement = _allValidBrushElements[brushElementIndex];
OrientedBox objectBox = new OrientedBox(_brushElementsPrefabOrientedBoxes[brushElementIndex]);
// Establish the object's scale. Randomize the scale if necessary. Otherwise, just use the brush element's scale.
Vector3 xyzObjectBoxScale = _brushElementsPrefabWorldScaleValues[brushElementIndex];
if (brushElement.ScaleRandomizationSettings.RandomizeScale)
{
// Generate a random scale factor and apply it to the current scale
ObjectUniformScaleRandomizationSettings uniformScaleRandomizationSettings = brushElement.ScaleRandomizationSettings.UniformScaleRandomizationSettings;
xyzObjectBoxScale *= UnityEngine.Random.Range(uniformScaleRandomizationSettings.MinScale, uniformScaleRandomizationSettings.MaxScale);;
}
else
{
xyzObjectBoxScale *= brushElement.Scale;
}
// Apply the scale that we have calculated
objectBox.Scale = xyzObjectBoxScale;
// Now we will calculate the rotation. First we will calculate a quaternion which allow us to take the
// specified rotation offset into account. The quaternion rotates around the surface normal by an angle
// of 'RotationOffset' degrees.
Quaternion rotationOffset = brushElement.AlignToSurface ? Quaternion.AngleAxis(brushElement.RotationOffsetInDegrees, objectSurfaceData.SurfaceNormal) : Quaternion.identity;
// If we need to align to stroke, we have some more work to do. Otherwise, we will just set the
// rotation to be the same as the prefab's rotation, but offset by 'rotationOffset'.
if (brushElement.AlignToStroke)
{
// First calculate the rotation without any offset. This is the rotation of the prefab plus the rotation which
// must be applied for alignment.
Quaternion rotationWithoutOffset = _rotationToApplyForStrokeAlignment * _elementToCurrentPrefabRotation[brushElement];
// The rotation of the box must be set to the rotation which we just calculated (which ensures proper alingment) plus
// the rotation offset.
objectBox.Rotation = rotationOffset * rotationWithoutOffset;
// Store the rotation inside the dictionary if an entry doesn't already exist
if (!_elementToNewPrefabRotation.ContainsKey(brushElement))
{
_elementToNewPrefabRotation.Add(brushElement, rotationWithoutOffset);
}
}
else
{
objectBox.Rotation = rotationOffset * brushElement.Prefab.UnityPrefab.transform.rotation;
}
// Adjust the rotation of the object so that its axis is aligned with the placement surface if necessary
if (brushElement.AlignToSurface)
{
AdjustObjectBoxRotationOnSurface(objectBox, objectSurfaceData, brushElement);
}
// The final step is to rotate the object by a random amount around the placement surface
if (brushElement.RotationRandomizationMode != BrushElementRotationRandomizationMode.None)
{
Vector3 rotationAxis = objectSurfaceData.SurfaceNormal;
if (brushElement.RotationRandomizationMode == BrushElementRotationRandomizationMode.X)
{
rotationAxis = Vector3.right;
}
else if (brushElement.RotationRandomizationMode == BrushElementRotationRandomizationMode.Y)
{
rotationAxis = Vector3.up;
}
else if (brushElement.RotationRandomizationMode == BrushElementRotationRandomizationMode.Z)
{
rotationAxis = Vector3.forward;
}
if (!brushElement.AlignToStroke)
{
// When stroke alignment is not required, we will generate a random rotation angle and apply it
// to the current box rotation.
float randomRotationAngle = UnityEngine.Random.Range(0.0f, 360.0f);
Quaternion additionalRotation = Quaternion.AngleAxis(randomRotationAngle, rotationAxis);
objectBox.Rotation = additionalRotation * objectBox.Rotation;
}
else
{
// When both rotation randomization and stroke alingment are turned on, we will proudce a small
// random rotation offset to randomize the alingmnet a little bit.
float randomRotationAngle = UnityEngine.Random.Range(0.0f, 25.0f);
Quaternion additionalRotation = Quaternion.AngleAxis(randomRotationAngle, rotationAxis);
objectBox.Rotation = additionalRotation * objectBox.Rotation;
}
}
// Place the object on the surface
AdjustObjectBoxCenterToSitOnSurface(objectBox, objectSurfaceData, brushElement);
// Construct the object matrix and return the object/marix pair
TransformMatrix objectMatrix = new TransformMatrix(ObjectPositionCalculator.CalculateObjectHierarchyPosition(brushElement.Prefab,
objectBox.Center, xyzObjectBoxScale, objectBox.Rotation), objectBox.Rotation, xyzObjectBoxScale);
return(new MatrixObjectBoxPair(objectMatrix, objectBox));
}
public List <Vector3> GetOverlappedWorldVerts(OrientedBox box, TransformMatrix meshTransformMatrix)
{
return(_meshSphereTree.GetOverlappedWorldVerts(box, meshTransformMatrix));
}
private void AdjustGuidePivotPoints()
{
OrientedBox guideHierarchyWorldOrientedBox = ObjectPlacementGuide.SceneObject.GetHierarchyWorldOrientedBox();
ObjectPlacement.Get().ProjectedGuidePivotPoints.FromOrientedBoxAndDecorStrokeSurface(guideHierarchyWorldOrientedBox, _strokeSurface);
}
public List <Triangle3D> GetOverlappedTriangles(OrientedBox box, TransformMatrix meshTransformMatrix)
{
return(_meshSphereTree.GetOverlappedWorldTriangles(box, meshTransformMatrix));
}
public OrientedBox MirrorOrientedBox(OrientedBox orientedBox)
{
return(Mirroring.MirrorOrientedBox(_mirror.WorldPlane, orientedBox, _mirrorRotation));
}
public ObjectPlacementBox(ObjectPlacementBox source)
{
_orientedBox = source.OrientedBox;
}
public Octave3DBoxCollider(OrientedBox orientedBox)
{
_orientedBox = new OrientedBox(orientedBox);
}
public bool OverlapsFullyOrPartially(OrientedBox orientedBox)
{
Vector3 closestPointToSphereCenter = orientedBox.GetClosestPointToPoint(_center);
return((closestPointToSphereCenter - _center).sqrMagnitude <= _radius * _radius);
}
/// <summary>
/// Returns the world space vertices overlapped by the specified box.
/// </summary>
public List <Vector3> GetOverlappedWorldVerts(OrientedBox box, TransformMatrix meshTransformMatrix)
{
// If the tree was not yet build, we need to build it because we need
// the triangle information in order to perform the raycast.
if (!_wasBuilt)
{
Build();
}
// Work in mesh model space because the tree data exists in model space
OrientedBox meshSpaceOOBB = new OrientedBox(box);
Matrix4x4 inverseTransform = meshTransformMatrix.ToMatrix4x4x.inverse;
meshSpaceOOBB.Transform(inverseTransform);
// Used to avoid duplicate indices since there can be triangles which share the same vertices
// and we don't want to return the same vertex multiple times.
HashSet <int> usedIndices = new HashSet <int>();
// Retrieve the nodes overlapped by the specified box
List <SphereTreeNode <MeshSphereTreeTriangle> > overlappedNodes = _sphereTree.OverlapBox(meshSpaceOOBB);
if (overlappedNodes.Count == 0)
{
return(new List <Vector3>());
}
// Loop through all nodes
var overlappedWorldVerts = new List <Vector3>(50);
foreach (var node in overlappedNodes)
{
// Get the triangle associated with the node
int triangleIndex = node.Data.TriangleIndex;
MeshTriangleInfo triangleInfo = _octave3DMesh.GetMeshTriangleInfo(triangleIndex);
List <Vector3> trianglePoints = triangleInfo.ModelSpaceTriangle.GetPoints();
for (int ptIndex = 0; ptIndex < trianglePoints.Count; ++ptIndex)
{
if (usedIndices.Contains(triangleInfo.VertIndices[ptIndex]))
{
continue;
}
Vector3 point = trianglePoints[ptIndex];
if (meshSpaceOOBB.ContainsPoint(point))
{
overlappedWorldVerts.Add(meshTransformMatrix.MultiplyPoint(point));
usedIndices.Add(triangleInfo.VertIndices[ptIndex]);
}
}
/*Triangle3D modelSpaceTriangle = _octave3DMesh.GetTriangle(triangleIndex);
*
* // Now check which of the triangle points resides inside the box
* List<Vector3> trianglePoints = modelSpaceTriangle.GetPoints();
* foreach(var pt in trianglePoints)
* {
* // When a point resides inside the box, we will transform it in world space and add it to the final point list
* if (box.ContainsPoint(pt)) overlappedWorldVerts.Add(meshTransformMatrix.MultiplyPoint(pt));
* }*/
}
return(overlappedWorldVerts);
}
public bool FullyContainsOrientedBoxCenterAndCornerPointsInScreenSpace(OrientedBox orientedBox, Camera camera)
{
List <Vector2> boxCenterAndCornerScreenPoints = orientedBox.GetScreenCenterAndCornerPoints(camera);
return(ContainsAllPoints(boxCenterAndCornerScreenPoints));
}
