public static void RenderXZOrientedQuadBorderLines(XZOrientedQuad3D orientedQuad, Color color, float offsetAlongNormal)
{
List <Vector3> cornerPoints = orientedQuad.GetCornerPoints();
cornerPoints = Vector3Extensions.ApplyOffsetToPoints(cornerPoints, orientedQuad.Plane.normal * offsetAlongNormal);
RenderLinesBetweenPoints(cornerPoints, color);
}
private void StoreObjectPivotPoints(List <Vector3> projectedFacePoints)
{
List <Vector3> projectedPointsAndCenter = new List <Vector3>(projectedFacePoints);
projectedPointsAndCenter.Insert(IndexOfPointInCenter, Vector3Extensions.GetAveragePoint(projectedFacePoints));
_pivotPointCollection.SetPivotPoints(projectedPointsAndCenter, _pivotPointCollection.IndexOfActivePoint);
}
public List <Vector3> GetExtentsPoints()
{
// First egenrate the points in model space in the following order: top, right, bottom, left.
List <Vector3> points = new List <Vector3> {
Vector3.forward *_radiusZ, Vector3.right *_radiusX, Vector3.forward * -_radiusZ, Vector3.right * -_radiusX
};
// Transform the points and return them
return(Vector3Extensions.GetTransformedPoints(points, TransformMatrix.ToMatrix4x4x));
}
public Box GetEncapsulatingBox()
{
List <Vector3> points = GetPoints();
Vector3 minPoint, maxPoint;
Vector3Extensions.GetMinMaxPoints(points, out minPoint, out maxPoint);
return(new Box((minPoint + maxPoint) * 0.5f, maxPoint - minPoint));
}
private static List <Vector3> GenerateXYCircleVertexPositions(float circleRadius, int numberOfCircleSlices)
{
int numberOfCircumferenceVerts = numberOfCircleSlices + 1;
int totalNumberOfVerts = numberOfCircumferenceVerts + 1;
var vertexPositions = new List <Vector3>(totalNumberOfVerts);
vertexPositions.Add(Vector3.zero);
vertexPositions.AddRange(Vector3Extensions.Get3DEllipseCircumferencePoints(circleRadius, circleRadius, Vector3.right, Vector3.up, Vector3.zero, numberOfCircleSlices));
return(vertexPositions);
}
public List <Segment3D> Calculate()
{
Vector3Extensions.EliminateDuplicatePoints(_polygonPointsOnSamePlane);
if (_polygonPointsOnSamePlane.Count < 3)
{
return(new List <Segment3D>());
}
List <Vector3> workingPointList = new List <Vector3>(_polygonPointsOnSamePlane);
Vector3 minPoint, maxPoint;
CalculateInitialMinMaxPoints(out minPoint, out maxPoint);
workingPointList.RemoveAll(item => item == minPoint || item == maxPoint);
List <Segment3D> allHullSegments = new List <Segment3D>();
Segment3D minMaxSegment = new Segment3D(minPoint, maxPoint);
Plane minMaxSegmentPlane = GetSegmentPlane(minMaxSegment);
bool furthestPointIsBehind = false;
int indexOfPointFurthestFromPlane = minMaxSegmentPlane.GetIndexOfFurthestPointInFront(workingPointList);
if (indexOfPointFurthestFromPlane < 0)
{
indexOfPointFurthestFromPlane = minMaxSegmentPlane.GetIndexOfFurthestPointBehind(workingPointList);
furthestPointIsBehind = true;
}
if (indexOfPointFurthestFromPlane >= 0)
{
Vector3 furthestPointFromPlane = workingPointList[indexOfPointFurthestFromPlane];
workingPointList.RemoveAt(indexOfPointFurthestFromPlane);
List <Segment3D> hullSegments = new List <Segment3D>();
if (furthestPointIsBehind)
{
hullSegments.Add(new Segment3D(minMaxSegment.EndPoint, furthestPointFromPlane));
hullSegments.Add(new Segment3D(furthestPointFromPlane, minMaxSegment.StartPoint));
hullSegments.Add(minMaxSegment);
QuickHull(workingPointList, hullSegments);
}
else
{
hullSegments.Add(new Segment3D(furthestPointFromPlane, minMaxSegment.EndPoint));
hullSegments.Add(new Segment3D(minMaxSegment.StartPoint, furthestPointFromPlane));
hullSegments.Add(new Segment3D(minMaxSegment.EndPoint, minMaxSegment.StartPoint)); // Reversed min-max segment
QuickHull(workingPointList, hullSegments);
}
allHullSegments.AddRange(hullSegments);
}
return(allHullSegments);
}
public Vector3 GetPointClosestToPoint(Vector3 point, bool includeMidEdgePoints)
{
if (includeMidEdgePoints)
{
List <Vector3> points = GetCenterAndCornerPoints();
points.AddRange(GetMidEdgePoints());
return(Vector3Extensions.GetClosestPointToPoint(points, point));
}
else
{
return(Vector3Extensions.GetClosestPointToPoint(GetCenterAndCornerPoints(), point));
}
}
public static Mesh CreateXZRectangleMesh(float rectangleWidth, float rectangleDepth, Color rectangleColor)
{
if (!ValidateXYRectangleDimensions(rectangleWidth, rectangleDepth))
{
return(null);
}
var vertexPositions = Vector3Extensions.Get3DRectangleCircumferencePoints(rectangleWidth, rectangleDepth, Vector3.right, Vector3.forward, Vector3.zero);
var vertexColors = ListExtensions.GetFilledList(rectangleColor, 4);
var vertexNormals = ListExtensions.GetFilledList(Vector3.up, 4);
var vertexIndices = GenerateXZRectangleVertexIndices();
return(ProceduralMeshFactory.CreateTriangleMesh(vertexPositions.ToArray(), vertexIndices, vertexColors.ToArray(), vertexNormals.ToArray()));
}
public void RenderGizmos(XZGrid grid, CameraViewVolume cameraViewVolume)
{
if (!grid.RenderSettings.IsVisible)
{
return;
}
// Note: Can not figure out how to render a finite grid inside a shader yet... :D
if (grid.DimensionSettings.DimensionType == XZGridDimensionType.Finite)
{
RenderGizmos_Obsolete(grid, cameraViewVolume);
return;
}
Plane gridPlane = grid.Plane;
Vector3 gridPlaneCenter = gridPlane.ProjectPoint(SceneViewCamera.Camera.transform.position);
Box camVolumeAABB = cameraViewVolume.WorldSpaceAABB;
List <Vector3> projectedVolumeAABBPts = gridPlane.ProjectAllPoints(camVolumeAABB.GetCornerPoints());
List <Vector3> modelSpacePrjPts = Vector3Extensions.GetTransformedPoints(projectedVolumeAABBPts, grid.TransformMatrix.ToMatrix4x4x.inverse);
Box modelSpacePtsBox = Box.FromPoints(modelSpacePrjPts);
Vector3 gridPlaneSize = modelSpacePtsBox.Size;
Matrix4x4 planeTransformMatrix = Matrix4x4.TRS(gridPlaneCenter, grid.Rotation, gridPlaneSize);
Material xzGridMaterial = MaterialPool.Get().XZGridMaterial;
xzGridMaterial.SetFloat("_CellSizeX", grid.CellSizeSettings.CellSizeX);
xzGridMaterial.SetFloat("_CellSizeZ", grid.CellSizeSettings.CellSizeZ);
xzGridMaterial.SetVector("_CellOffset", grid.GetOriginPosition());
xzGridMaterial.SetColor("_LineColor", grid.RenderSettings.CellLineColor);
xzGridMaterial.SetColor("_PlaneColor", grid.RenderSettings.PlaneColor);
xzGridMaterial.SetFloat("_CamFarPlaneDist", SceneViewCamera.Camera.farClipPlane);
xzGridMaterial.SetVector("_CamWorldPos", SceneViewCamera.Camera.transform.position);
xzGridMaterial.SetMatrix("_InvRotMatrix", Matrix4x4.TRS(Vector3.zero, grid.Rotation, Vector3.one).inverse);
xzGridMaterial.SetMatrix("_PlaneTransformMtx", planeTransformMatrix);
int numPasses = xzGridMaterial.passCount;
for (int passIndex = 0; passIndex < numPasses; ++passIndex)
{
xzGridMaterial.SetPass(passIndex);
Graphics.DrawMeshNow(GizmosEx.XZRectangleMesh, planeTransformMatrix);
}
GizmosMatrix.Push(grid.TransformMatrix.ToMatrix4x4x);
grid.RenderableCoordinateSystem.RenderGizmos();
GizmosMatrix.Pop();
}
public List <Vector3> GetWorldBorderLinesInFrontOfCamera(Camera camera, float distanceFromCamNearPlane, int numberOfEllipseSlices)
{
List <Vector3> worldExtentPoints = GetWorldExtentPointsInFrontOfCamera(camera, distanceFromCamNearPlane);
Vector3 worldCenterPoint = GetWorldCenterPointInFrontOfCamera(camera, distanceFromCamNearPlane);
Vector3 ellipseUp = worldExtentPoints[0] - worldCenterPoint;
Vector3 ellipseRight = worldExtentPoints[1] - worldCenterPoint;
float radiusX = ellipseRight.magnitude;
float radiusY = ellipseUp.magnitude;
ellipseUp.Normalize();
ellipseRight.Normalize();
return(Vector3Extensions.Get3DEllipseCircumferencePoints(radiusX, radiusY, ellipseRight, ellipseUp, worldCenterPoint, numberOfEllipseSlices));
}
public void SetPointsOnPolygonPlaneAndNormal(List <Vector3> pointsOnPolygonPlane, Vector3 polygonNormal)
{
_normal = polygonNormal;
_normal.Normalize();
var quickHull = new Polygon3DQuickHull(pointsOnPolygonPlane, polygonNormal);
_edges = quickHull.Calculate();
_pointsOnPolygonPlane.Clear();
foreach (var edge in _edges)
{
_pointsOnPolygonPlane.Add(edge.StartPoint);
_pointsOnPolygonPlane.Add(edge.EndPoint);
}
Vector3Extensions.EliminateDuplicatePoints(_pointsOnPolygonPlane);
}
public Vector3 GetSnapDestinationPointClosestToCursorPickPoint()
{
if (IsValid)
{
if (_type == SnapSurfaceType.GridCell)
{
List <Vector3> snapDestinationPoints = _surfaceQuad.GetCenterAndCornerPoints();
snapDestinationPoints.AddRange(_surfaceQuad.GetMidEdgePoints());
return(Vector3Extensions.GetClosestPointToPoint(snapDestinationPoints, _mouseCursorPickPoint));
}
else
{
XZOrientedQuad3D gridCellQuad = _objectBoxSnapSurfaceGrid.GetCellFromPoint(_mouseCursorPickPoint).Quad;
List <Vector3> snapDestinationPoints = gridCellQuad.GetCenterAndCornerPoints();
snapDestinationPoints.AddRange(gridCellQuad.GetMidEdgePoints());
return(Vector3Extensions.GetClosestPointToPoint(snapDestinationPoints, _mouseCursorPickPoint));
}
}
return(Vector3.zero);
}
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 List <Vector3> GetCornerPoints()
{
List <Vector3> points = _modelSpaceBox.GetCornerPoints();
return(Vector3Extensions.GetTransformedPoints(points, TransformMatrix.ToMatrix4x4x));
}
private void StoreUnprojectedPivotPoints(List <Vector3> cornerPointsOfFaceMostAlignedWithSurface)
{
_unprojectedPivotPoints = new List <Vector3>(cornerPointsOfFaceMostAlignedWithSurface);
_unprojectedPivotPoints.Insert(IndexOfPointInCenter, Vector3Extensions.GetAveragePoint(cornerPointsOfFaceMostAlignedWithSurface));
}
public void MovePoints(Vector3 moveVector)
{
_unprojectedPivotPoints = Vector3Extensions.ApplyOffsetToPoints(_unprojectedPivotPoints, moveVector);
_pivotPointCollection.MovePoints(moveVector);
_pointsPlane = new Plane(_pointsPlane.normal, _pivotPointCollection.GetPointByIndex(0));
}
public List <Segment3D> GetAllBoundarySegments()
{
List <Vector3> allPointsNoCenter = GetAllPointsExcludingCenter();
return(Vector3Extensions.GetSegmentsBetweenPoints(allPointsNoCenter, true));
}
public int GetIndexOfPointClosestToPoint(Vector3 point)
{
return(Vector3Extensions.GetIndexOfPointClosestToPoint(AllPoints, point));
}
public List <Vector3> GetBoxFaceCornerPoints(BoxFace boxFace)
{
List <Vector3> modelSpacePoints = _modelSpaceBox.GetBoxFaceCornerPoints(boxFace);
return(Vector3Extensions.GetTransformedPoints(modelSpacePoints, TransformMatrix.ToMatrix4x4x));
}
public void UpdateForMouseMovement()
{
if (!_isActive)
{
return;
}
if (MouseButtonStates.Instance.IsMouseButtonDown(MouseButton.Left))
{
_state = ObjectVertexSnapSessionState.SnapToDestination;
}
else
{
_state = ObjectVertexSnapSessionState.SelectSourceVertex;
}
if (_state == ObjectVertexSnapSessionState.SelectSourceVertex)
{
if (_sourceObjects == null || _sourceObjects.Count == 0)
{
_objectMask.ObjectCollectionMask.UnmaskAll();
MouseCursorRayHit cursorRayHit = GetCursorRayHit();
if (cursorRayHit.WasAnObjectHit)
{
GameObjectRayHit objectRayHit = cursorRayHit.ClosestObjectRayHit;
MeshRayHit meshRayHit = objectRayHit.ObjectMeshHit;
if (meshRayHit != null)
{
Octave3DMesh octaveMesh = meshRayHit.HitMesh;
Triangle3D sourceTriangle = octaveMesh.GetTriangle(meshRayHit.HitTriangleIndex);
sourceTriangle.TransformPoints(objectRayHit.HitObject.transform.localToWorldMatrix);
_sourceVertex = sourceTriangle.GetPointClosestToPoint(meshRayHit.HitPoint);
_sourceObject = objectRayHit.HitObject;
_objectMask.ObjectCollectionMask.Mask(_sourceObject.transform.root.gameObject.GetAllChildrenIncludingSelf());
}
else
{
SpriteRenderer spriteRenderer = objectRayHit.HitObject.GetComponent <SpriteRenderer>();
if (spriteRenderer != null)
{
_sourceObject = objectRayHit.HitObject;
_sourceVertex = Vector3Extensions.GetClosestPointToPoint(objectRayHit.ObjectBoxHit.HitBox.GetCenterAndCornerPoints(), objectRayHit.HitPoint);
_objectMask.ObjectCollectionMask.Mask(_sourceObject.transform.root.gameObject.GetAllChildrenIncludingSelf());
}
}
}
}
else
{
MouseCursorRayHit cursorRayHit = GetCursorRayHit();
if (cursorRayHit.WasAnObjectHit)
{
GameObjectRayHit objectRayHit = cursorRayHit.ClosestObjectRayHit;
MeshRayHit meshRayHit = objectRayHit.ObjectMeshHit;
if (meshRayHit != null)
{
Octave3DMesh octaveMesh = meshRayHit.HitMesh;
Triangle3D sourceTriangle = octaveMesh.GetTriangle(meshRayHit.HitTriangleIndex);
sourceTriangle.TransformPoints(objectRayHit.HitObject.transform.localToWorldMatrix);
_sourceVertex = sourceTriangle.GetPointClosestToPoint(meshRayHit.HitPoint);
}
else
{
SpriteRenderer spriteRenderer = objectRayHit.HitObject.GetComponent <SpriteRenderer>();
if (spriteRenderer != null)
{
_sourceVertex = Vector3Extensions.GetClosestPointToPoint(objectRayHit.ObjectBoxHit.HitBox.GetCenterAndCornerPoints(), objectRayHit.HitPoint);
}
}
}
foreach (var parent in _sourceParents)
{
_objectMask.ObjectCollectionMask.Mask(parent.GetAllChildrenIncludingSelf());
}
}
}
else
{
MouseCursorRayHit cursorRayHit = GetCursorRayHit();
if (cursorRayHit.WasAnythingHit)
{
bool useGridCellHit = false;
if (!cursorRayHit.WasAnObjectHit)
{
useGridCellHit = true;
}
else
if (cursorRayHit.WasAnObjectHit && cursorRayHit.WasACellHit)
{
float gridCellHitEnter = cursorRayHit.GridCellRayHit.HitEnter;
float objectHitEnter = cursorRayHit.ClosestObjectRayHit.HitEnter;
if (gridCellHitEnter < Mathf.Max(0.0f, (objectHitEnter - 1e-3f)))
{
useGridCellHit = true;
}
}
if (useGridCellHit)
{
XZGridCell hitCell = cursorRayHit.GridCellRayHit.HitCell;
XZOrientedQuad3D cellQuad = hitCell.Quad;
_destinationObject = null;
_destinationGridCell = hitCell;
_snapPosition = cellQuad.GetPointClosestToPoint(cursorRayHit.GridCellRayHit.HitPoint, true);
SnapToDestination();
}
else
{
GameObjectRayHit objectRayHit = cursorRayHit.ClosestObjectRayHit;
MeshRayHit meshRayHit = objectRayHit.ObjectMeshHit;
if (meshRayHit != null)
{
_destinationObject = objectRayHit.HitObject;
Triangle3D destinationTriangle = meshRayHit.HitMesh.GetTriangle(meshRayHit.HitTriangleIndex);
destinationTriangle.TransformPoints(_destinationObject.transform.localToWorldMatrix);
_destinationGridCell = null;
_snapPosition = destinationTriangle.GetPointClosestToPoint(meshRayHit.HitPoint);
SnapToDestination();
}
else
{
SpriteRenderer spriteRenderer = objectRayHit.HitObject.GetComponent <SpriteRenderer>();
if (spriteRenderer != null)
{
_destinationGridCell = null;
_destinationObject = objectRayHit.HitObject;
_snapPosition = Vector3Extensions.GetClosestPointToPoint(objectRayHit.ObjectBoxHit.HitBox.GetCenterAndCornerPoints(), objectRayHit.HitPoint);
SnapToDestination();
}
}
}
}
}
}
protected override List <Vector3> GenerateRenderPoints()
{
return(Vector3Extensions.Get3DEllipseCircumferencePoints(ModelSpaceRadii.x, ModelSpaceRadii.y, _ellipse.GetLocalAxis(CoordinateSystemAxis.PositiveRight), _ellipse.GetLocalAxis(CoordinateSystemAxis.PositiveLook), Center, _numberOfEllipseSlices));
}
public void MovePoints(Vector3 moveVector)
{
_pivotPoints = Vector3Extensions.ApplyOffsetToPoints(_pivotPoints, moveVector);
}
public List <Segment3D> GetBoundarySegments()
{
return(Vector3Extensions.GetSegmentsBetweenPoints(GetCornerPoints(), true));
}
public Vector3 GetPointClosestToPoint(Vector3 point)
{
return(Vector3Extensions.GetClosestPointToPoint(GetPoints(), point));
}