public static bool Raycast(Ray ray, out float t, Vector3 p0, Vector3 p1, Vector3 p2, TriangleEpsilon epsilon = new TriangleEpsilon())
{
t = 0.0f;
float rayEnter;
Plane trianglePlane = new Plane(p0, p1, p2);
if (trianglePlane.Raycast(ray, out rayEnter) &&
Contains3DPoint(ray.GetPoint(rayEnter), false, p0, p1, p2, epsilon))
{
t = rayEnter;
return(true);
}
if (epsilon.ExtrudeEps != 0.0f)
{
float dot = Vector3Ex.AbsDot(ray.direction, trianglePlane.normal);
if (dot < ExtrudeEpsThreshold.Get)
{
OBB obb = Calc3DTriangleOBB(p0, p1, p2, trianglePlane.normal, epsilon);
return(BoxMath.Raycast(ray, obb.Center, obb.Size, obb.Rotation));
}
}
return(false);
}
public BoxFaceAreaDesc GetWorldSnapAreaDesc(BoxFace boxFace)
{
Vector3 boxSize = _snapAreaBounds[(int)boxFace].Size;
boxSize = Vector3.Scale(boxSize, _gameObject.transform.lossyScale.Abs());
return(BoxMath.GetBoxFaceAreaDesc(boxSize, boxFace));
}
public static bool RaycastWire(Ray ray, out float t, Vector3 quadCenter, float quadWidth, float quadHeight, Vector3 quadRight, Vector3 quadUp, QuadEpsilon epsilon = new QuadEpsilon())
{
t = 0.0f;
Vector3 quadNormal = Vector3.Normalize(Vector3.Cross(quadRight, quadUp));
Plane quadPlane = new Plane(quadNormal, quadCenter);
Vector2 quadSize = new Vector2(quadWidth, quadHeight);
Quaternion quadRotation = Quaternion.LookRotation(quadNormal, quadUp);
float rayEnter;
if (quadPlane.Raycast(ray, out rayEnter))
{
Vector3 intersectPt = ray.GetPoint(rayEnter);
List <Vector3> cornerPoints = Calc3DQuadCornerPoints(quadCenter, quadSize, quadRotation);
float distFromSegment = intersectPt.GetDistanceToSegment(cornerPoints[(int)QuadCorner.TopLeft], cornerPoints[(int)QuadCorner.TopRight]);
if (distFromSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
distFromSegment = intersectPt.GetDistanceToSegment(cornerPoints[(int)QuadCorner.TopRight], cornerPoints[(int)QuadCorner.BottomRight]);
if (distFromSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
distFromSegment = intersectPt.GetDistanceToSegment(cornerPoints[(int)QuadCorner.BottomRight], cornerPoints[(int)QuadCorner.BottomLeft]);
if (distFromSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
distFromSegment = intersectPt.GetDistanceToSegment(cornerPoints[(int)QuadCorner.BottomLeft], cornerPoints[(int)QuadCorner.TopLeft]);
if (distFromSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
}
if (epsilon.ExtrudeEps != 0.0f)
{
float dot = Vector3Ex.AbsDot(ray.direction, quadPlane.normal);
if (dot < ExtrudeEpsThreshold.Get)
{
OBB quadOBB = Calc3DQuadOBB(quadCenter, quadSize, Quaternion.LookRotation(quadNormal, quadUp), epsilon);
return(BoxMath.Raycast(ray, quadOBB.Center, quadOBB.Size, quadOBB.Rotation));
}
}
return(false);
}
public void Encapsulate(OBB otherOBB)
{
var otherPts = BoxMath.CalcBoxCornerPoints(otherOBB.Center, otherOBB.Size, otherOBB.Rotation);
Matrix4x4 transformMtx = Matrix4x4.TRS(Center, Rotation, Vector3.one);
var modelPts = transformMtx.inverse.TransformPoints(otherPts);
AABB modelAABB = new AABB(Vector3.zero, Size);
modelAABB.Encapsulate(modelPts);
Center = (Rotation * modelAABB.Center) + Center;
Size = modelAABB.Size;
}
private void UpdateTransform(Camera camera)
{
Vector3 midAxisPos = _sceneGizmo.SceneGizmoCamera.LookAtPoint;
RTSceneGizmoCamera sceneGizmoCamera = _sceneGizmo.SceneGizmoCamera;
Vector3 axisDirection = _sceneGizmo.Gizmo.Transform.GetAxis3D(_axisDesc);
_zoomFactorTransform.Position3D = midAxisPos;
float zoomFactor = _cap.GetZoomFactor(camera);
Vector3 midCapSize = _sceneGizmo.LookAndFeel.MidCapType == GizmoCap3DType.Box ?
Vector3Ex.FromValue(SceneGizmoLookAndFeel.MidCapBoxSize * zoomFactor) : Vector3Ex.FromValue(SceneGizmoLookAndFeel.MidCapSphereRadius * 2.0f * zoomFactor);
Vector3 midBoxFaceCenter = BoxMath.CalcBoxFaceCenter(midAxisPos, midCapSize, Quaternion.identity, _midAxisBoxFace);
_cap.CapSlider3DInvert(axisDirection, midBoxFaceCenter);
}
public static List <Vector3> CollectWorldSpriteVerts(Sprite sprite, Transform spriteTransform, OBB collectOBB)
{
List <Vector3> spriteWorldVerts = sprite.GetWorldVerts(spriteTransform);
List <Vector3> collectedVerts = new List <Vector3>(7);
foreach (Vector3 vertPos in spriteWorldVerts)
{
if (BoxMath.ContainsPoint(vertPos, collectOBB.Center, collectOBB.Size, collectOBB.Rotation))
{
collectedVerts.Add(vertPos);
}
}
return(collectedVerts);
}
public static List <Vector3> CollectModelSpriteVerts(Sprite sprite, AABB collectAABB)
{
Vector2[] spriteModelVerts = sprite.vertices;
List <Vector3> collectedVerts = new List <Vector3>(7);
foreach (Vector2 vertPos in spriteModelVerts)
{
if (BoxMath.ContainsPoint(vertPos, collectAABB.Center, collectAABB.Size, Quaternion.identity))
{
collectedVerts.Add(vertPos);
}
}
return(collectedVerts);
}
public GameObjectRayHit RaycastSpriteObject(Ray ray, GameObject gameObject)
{
float t;
OBB worldOBB = ObjectBounds.CalcSpriteWorldOBB(gameObject);
if (!worldOBB.IsValid)
{
return(null);
}
if (BoxMath.Raycast(ray, out t, worldOBB.Center, worldOBB.Size, worldOBB.Rotation))
{
return(new GameObjectRayHit(ray, gameObject, worldOBB.GetPointFaceNormal(ray.GetPoint(t)), t));
}
return(null);
}
public static bool RaycastWire(Ray ray, out float t, Vector3 p0, Vector3 p1, Vector3 p2, TriangleEpsilon epsilon = new TriangleEpsilon())
{
t = 0.0f;
float rayEnter;
Plane trianglePlane = new Plane(p0, p1, p2);
if (trianglePlane.Raycast(ray, out rayEnter))
{
Vector3 intersectPt = ray.GetPoint(rayEnter);
float distToSegment = intersectPt.GetDistanceToSegment(p0, p1);
if (distToSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
distToSegment = intersectPt.GetDistanceToSegment(p1, p2);
if (distToSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
distToSegment = intersectPt.GetDistanceToSegment(p2, p0);
if (distToSegment <= epsilon.WireEps)
{
t = rayEnter;
return(true);
}
}
if (epsilon.ExtrudeEps != 0.0f)
{
float dot = Vector3Ex.AbsDot(ray.direction, trianglePlane.normal);
if (dot < ExtrudeEpsThreshold.Get)
{
OBB obb = Calc3DTriangleOBB(p0, p1, p2, trianglePlane.normal, epsilon);
return(BoxMath.Raycast(ray, obb.Center, obb.Size, obb.Rotation));
}
}
return(false);
}
public List <Vector3> OverlapVerts(OBB obb, MeshTransform meshTransform)
{
if (!_isBuilt)
{
Build();
}
OBB meshSpaceOBB = meshTransform.InverseTransformOBB(obb);
HashSet <int> usedIndices = new HashSet <int>();
List <SphereTreeNode <MeshTriangle> > overlappedNodes = _tree.OverlapBox(meshSpaceOBB);
if (overlappedNodes.Count == 0)
{
return(new List <Vector3>());
}
List <Vector3> overlappedVerts = new List <Vector3>(50);
foreach (SphereTreeNode <MeshTriangle> node in overlappedNodes)
{
int triangleIndex = node.Data.TriangleIndex;
MeshTriangle triangleInfo = _mesh.GetTriangle(triangleIndex);
Vector3[] modelVerts = triangleInfo.Vertices;
for (int ptIndex = 0; ptIndex < modelVerts.Length; ++ptIndex)
{
int vertIndex = triangleInfo.GetVertIndex(ptIndex);
if (usedIndices.Contains(vertIndex))
{
continue;
}
Vector3 modelVert = modelVerts[ptIndex];
if (BoxMath.ContainsPoint(modelVert, meshSpaceOBB.Center, meshSpaceOBB.Size, meshSpaceOBB.Rotation))
{
overlappedVerts.Add(meshTransform.TransformPoint(modelVert));
usedIndices.Add(vertIndex);
}
}
}
return(overlappedVerts);
}
public List <Vector3> OverlapModelVerts(OBB modelOBB)
{
if (!_isBuilt)
{
Build();
}
HashSet <int> usedIndices = new HashSet <int>();
var overlappedNodes = _tree.OverlapBox(modelOBB);
if (overlappedNodes.Count == 0)
{
return(new List <Vector3>());
}
var overlappedVerts = new List <Vector3>(50);
foreach (var node in overlappedNodes)
{
int triangleIndex = node.Data.TriangleIndex;
MeshTriangle triangleInfo = _mesh.GetTriangle(triangleIndex);
var modelVerts = triangleInfo.Vertices;
for (int ptIndex = 0; ptIndex < modelVerts.Length; ++ptIndex)
{
int vertIndex = triangleInfo.GetVertIndex(ptIndex);
if (usedIndices.Contains(vertIndex))
{
continue;
}
Vector3 modelVert = modelVerts[ptIndex];
if (BoxMath.ContainsPoint(modelVert, modelOBB.Center, modelOBB.Size, modelOBB.Rotation))
{
overlappedVerts.Add(modelVert);
usedIndices.Add(vertIndex);
}
}
}
return(overlappedVerts);
}
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;
}
}
}
private void UpdateExtrudeSliderTransforms()
{
Vector3 center = BoxCenter;
Quaternion rotation = BoxRotation;
_leftExtrude.StartPosition = BoxMath.CalcBoxFaceCenter(center, _boxSize, rotation, BoxFace.Left);
_leftExtrude.SetDirection(-BoxRight);
_rightExtrude.StartPosition = BoxMath.CalcBoxFaceCenter(center, _boxSize, rotation, BoxFace.Right);
_rightExtrude.SetDirection(BoxRight);
_upExtrude.StartPosition = BoxMath.CalcBoxFaceCenter(center, _boxSize, rotation, BoxFace.Top);
_upExtrude.SetDirection(BoxUp);
_bottomExtrude.StartPosition = BoxMath.CalcBoxFaceCenter(center, _boxSize, rotation, BoxFace.Bottom);
_bottomExtrude.SetDirection(-BoxUp);
_backExtrude.StartPosition = BoxMath.CalcBoxFaceCenter(center, _boxSize, rotation, BoxFace.Front);
_backExtrude.SetDirection(-BoxLook);
_frontExtrude.StartPosition = BoxMath.CalcBoxFaceCenter(center, _boxSize, rotation, BoxFace.Back);
_frontExtrude.SetDirection(BoxLook);
}
private List <AABB> BuildVertOverlapAABBs(GameObject gameObject, Sprite sprite, RTMesh rtMesh)
{
if (sprite == null && rtMesh == null)
{
return(new List <AABB>());
}
const float overlapAmount = 0.2f;
float halfOverlapAmount = overlapAmount * 0.5f;
AABB modelAABB = sprite != null?ObjectBounds.CalcSpriteModelAABB(gameObject) : rtMesh.AABB;
Vector3 modelAABBSize = modelAABB.Size;
List <BoxFace> modelAABBFaces = BoxMath.AllBoxFaces;
const float sizeEps = 0.001f;
Vector3[] overlapAABBSizes = new Vector3[modelAABBFaces.Count];
overlapAABBSizes[(int)BoxFace.Left] = new Vector3(overlapAmount, modelAABBSize.y + sizeEps, modelAABBSize.z + sizeEps);
overlapAABBSizes[(int)BoxFace.Right] = new Vector3(overlapAmount, modelAABBSize.y + sizeEps, modelAABBSize.z + sizeEps);
overlapAABBSizes[(int)BoxFace.Bottom] = new Vector3(modelAABBSize.x + sizeEps, overlapAmount, modelAABBSize.z + sizeEps);
overlapAABBSizes[(int)BoxFace.Top] = new Vector3(modelAABBSize.x + sizeEps, overlapAmount, modelAABBSize.z + sizeEps);
overlapAABBSizes[(int)BoxFace.Back] = new Vector3(modelAABBSize.x + sizeEps, modelAABBSize.y + sizeEps, overlapAmount);
overlapAABBSizes[(int)BoxFace.Front] = new Vector3(modelAABBSize.x + sizeEps, modelAABBSize.y + sizeEps, overlapAmount);
var overlapAABBs = new List <AABB>();
for (int boxFaceIndex = 0; boxFaceIndex < modelAABBFaces.Count; ++boxFaceIndex)
{
BoxFace modelAABBFace = modelAABBFaces[boxFaceIndex];
Vector3 faceCenter = BoxMath.CalcBoxFaceCenter(modelAABB.Center, modelAABB.Size, Quaternion.identity, modelAABBFace);
Vector3 faceNormal = BoxMath.CalcBoxFaceNormal(modelAABB.Center, modelAABB.Size, Quaternion.identity, modelAABBFace);
Vector3 overlapCenter = faceCenter - faceNormal * halfOverlapAmount;
overlapAABBs.Add(new AABB(overlapCenter, overlapAABBSizes[boxFaceIndex]));
}
return(overlapAABBs);
}
public static bool Raycast(Ray ray, out float t, Vector3 coneBaseCenter, float coneBaseRadius, float coneHeight, Quaternion coneRotation, ConeEpsilon epsilon = new ConeEpsilon())
{
t = 0.0f;
Ray coneSpaceRay = ray.InverseTransform(Matrix4x4.TRS(coneBaseCenter, coneRotation, Vector3.one));
float xzAABBSize = coneBaseRadius * 2.0f;
Vector3 aabbSize = new Vector3(xzAABBSize, coneHeight + epsilon.VertEps * 2.0f, xzAABBSize);
if (!BoxMath.Raycast(coneSpaceRay, Vector3.up * coneHeight * 0.5f, aabbSize, Quaternion.identity))
{
return(false);
}
// We will first perform a preliminary check to see if the ray intersects the bottom cap of the cone.
// This is necessary because the cone equation views the cone as infinite (i.e. no bottom cap), and
// if we didn't perform this check, we would never be able to tell when the bottom cap was hit.
float rayEnter;
Plane bottomCapPlane = new Plane(-Vector3.up, Vector3.zero);
if (bottomCapPlane.Raycast(coneSpaceRay, out rayEnter))
{
// If the ray intersects the plane of the bottom cap, we will calculate the intersection point
// and if it lies inside the cone's bottom cap area, it means we have a valid intersection. We
// store the t value and then return true.
Vector3 intersectionPoint = coneSpaceRay.origin + coneSpaceRay.direction * rayEnter;
if (intersectionPoint.magnitude <= coneBaseRadius)
{
t = rayEnter;
return(true);
}
}
// We need this for the calculation of the quadratic coefficients
float ratioSquared = coneBaseRadius / coneHeight;
ratioSquared *= ratioSquared;
// Calculate the coefficients.
// Note: The cone equation which was used is: (X^2 + Z^2) / ratioSquared = (Y - coneHeight)^2.
// Where X, Y and Z are the coordinates of the point along the ray: (Origin + Direction * t).xyz
float a = coneSpaceRay.direction.x * coneSpaceRay.direction.x + coneSpaceRay.direction.z * coneSpaceRay.direction.z - ratioSquared * coneSpaceRay.direction.y * coneSpaceRay.direction.y;
float b = 2.0f * (coneSpaceRay.origin.x * coneSpaceRay.direction.x + coneSpaceRay.origin.z * coneSpaceRay.direction.z - ratioSquared * coneSpaceRay.direction.y * (coneSpaceRay.origin.y - coneHeight));
float c = coneSpaceRay.origin.x * coneSpaceRay.origin.x + coneSpaceRay.origin.z * coneSpaceRay.origin.z - ratioSquared * (coneSpaceRay.origin.y - coneHeight) * (coneSpaceRay.origin.y - coneHeight);
// The intersection happnes only if the quadratic equation has solutions
float t1, t2;
if (MathEx.SolveQuadratic(a, b, c, out t1, out t2))
{
// Make sure the ray does not intersect the cone only from behind
if (t1 < 0.0f && t2 < 0.0f)
{
return(false);
}
// Make sure we are using the smallest positive t value
if (t1 < 0.0f)
{
float temp = t1;
t1 = t2;
t2 = temp;
}
t = t1;
// Make sure the intersection point does not sit below the cone's bottom cap or above the cone's cap
Vector3 intersectionPoint = coneSpaceRay.origin + coneSpaceRay.direction * t;
if (intersectionPoint.y < -epsilon.VertEps || intersectionPoint.y > coneHeight + epsilon.VertEps)
{
t = 0.0f;
return(false);
}
// The intersection point is valid
return(true);
}
// If we reached this point, it means the ray does not intersect the cone in any way
return(false);
}
public static bool RaycastTriangular(Ray ray, out float t, Vector3 baseCenter,
float baseWidth, float baseDepth, float topWidth, float topDepth, float height, Quaternion prismRotation)
{
t = 0.0f;
if (baseWidth == 0.0f || baseDepth == 0.0f ||
topWidth == 0.0f || topDepth == 0.0f || height == 0.0f)
{
return(false);
}
baseWidth = Mathf.Abs(baseWidth);
baseDepth = Mathf.Abs(baseDepth);
topWidth = Mathf.Abs(topWidth);
topDepth = Mathf.Abs(topDepth);
ray = ray.InverseTransform(Matrix4x4.TRS(baseCenter, prismRotation, Vector3.one));
// Since the raycast calculations can be quite expensive for a prism, we will
// first check if the ray intersects its AABB to quickly return false if no
// intersection is found. If the ray does not intersect the AABB it can not
// possibly intersect the prism.
Vector3 aabbSize = Vector3.Max(new Vector3(baseWidth, height, baseDepth), new Vector3(topWidth, height, topDepth));
if (!BoxMath.Raycast(ray, Vector3.up * height * 0.5f, aabbSize, Quaternion.identity))
{
return(false);
}
List <Vector3> cornerPoints = CalcTriangPrismCornerPoints(Vector3.zero, baseWidth, baseDepth, topWidth, topDepth, height, Quaternion.identity);
Vector3 baseLeftPt = cornerPoints[(int)TriangularPrismCorner.BaseLeft];
Vector3 baseRightPt = cornerPoints[(int)TriangularPrismCorner.BaseRight];
Vector3 baseForwardPt = cornerPoints[(int)TriangularPrismCorner.BaseForward];
Vector3 topLeftPt = cornerPoints[(int)TriangularPrismCorner.TopLeft];
Vector3 topRightPt = cornerPoints[(int)TriangularPrismCorner.TopRight];
Vector3 topForwardPt = cornerPoints[(int)TriangularPrismCorner.TopForward];
List <float> tValues = new List <float>(5);
// Base triangle
float rayEnter;
if (TriangleMath.Raycast(ray, out rayEnter, baseLeftPt, baseRightPt, baseForwardPt))
{
tValues.Add(rayEnter);
}
// Top triangle
if (TriangleMath.Raycast(ray, out rayEnter, topLeftPt, topForwardPt, topRightPt))
{
tValues.Add(rayEnter);
}
// Back face
List <Vector3> facePoints = new List <Vector3>(4)
{
baseLeftPt, topLeftPt, topRightPt, baseRightPt
};
Vector3 faceNormal = Vector3.Cross((facePoints[1] - facePoints[0]), facePoints[3] - facePoints[0]).normalized;
if (PolygonMath.Raycast(ray, out rayEnter, facePoints, false, faceNormal))
{
tValues.Add(rayEnter);
}
// Left face
// facePoints[0] = baseLeftPt;
facePoints[1] = baseForwardPt;
facePoints[2] = topForwardPt;
facePoints[3] = topLeftPt;
faceNormal = Vector3.Cross((facePoints[1] - facePoints[0]), facePoints[3] - facePoints[0]).normalized;
if (PolygonMath.Raycast(ray, out rayEnter, facePoints, false, faceNormal))
{
tValues.Add(rayEnter);
}
// Right face
facePoints[0] = baseRightPt;
facePoints[1] = topRightPt;
// facePoints[2] = topForwardPt;
facePoints[3] = baseForwardPt;
faceNormal = Vector3.Cross((facePoints[1] - facePoints[0]), facePoints[3] - facePoints[0]).normalized;
if (PolygonMath.Raycast(ray, out rayEnter, facePoints, false, faceNormal))
{
tValues.Add(rayEnter);
}
if (tValues.Count == 0)
{
return(false);
}
tValues.Sort(delegate(float t0, float t1) { return(t0.CompareTo(t1)); });
t = tValues[0];
return(true);
}
public override void OnGizmoAttemptHandleDragBegin(int handleId)
{
if (OwnsHandle(handleId))
{
_scaleFromCenter = Hotkeys.EnableCenterPivot.IsActive();
_scaleDragWorkData.DragOrigin = BoxCenter;
if (handleId == _leftTick.HandleId)
{
_scaleDragWorkData.Axis = -BoxRight;
_scaleDragWorkData.AxisIndex = 0;
_scaleDragWorkData.SnapStep = Settings3D.XSnapStep;
_scaleDragWorkData.EntityScale = _targetHierarchyTransform.lossyScale.x;
_scalePivot = BoxMath.CalcBoxFaceCenter(BoxCenter, _boxSize, BoxRotation, BoxFace.Right);
}
else
if (handleId == _rightTick.HandleId)
{
_scaleDragWorkData.Axis = BoxRight;
_scaleDragWorkData.AxisIndex = 0;
_scaleDragWorkData.SnapStep = Settings3D.XSnapStep;
_scaleDragWorkData.EntityScale = _targetHierarchyTransform.lossyScale.x;
_scalePivot = BoxMath.CalcBoxFaceCenter(BoxCenter, _boxSize, BoxRotation, BoxFace.Left);
}
else
if (handleId == _topTick.HandleId)
{
_scaleDragWorkData.Axis = BoxUp;
_scaleDragWorkData.AxisIndex = 1;
_scaleDragWorkData.SnapStep = Settings3D.YSnapStep;
_scaleDragWorkData.EntityScale = _targetHierarchyTransform.lossyScale.y;
_scalePivot = BoxMath.CalcBoxFaceCenter(BoxCenter, _boxSize, BoxRotation, BoxFace.Bottom);
}
else
if (handleId == _bottomTick.HandleId)
{
_scaleDragWorkData.Axis = -BoxUp;
_scaleDragWorkData.AxisIndex = 1;
_scaleDragWorkData.SnapStep = Settings3D.YSnapStep;
_scaleDragWorkData.EntityScale = _targetHierarchyTransform.lossyScale.y;
_scalePivot = BoxMath.CalcBoxFaceCenter(BoxCenter, _boxSize, BoxRotation, BoxFace.Top);
}
else
if (handleId == _frontTick.HandleId)
{
_scaleDragWorkData.Axis = -BoxLook;
_scaleDragWorkData.AxisIndex = 2;
_scaleDragWorkData.SnapStep = Settings3D.ZSnapStep;
_scaleDragWorkData.EntityScale = _targetHierarchyTransform.lossyScale.z;
_scalePivot = BoxMath.CalcBoxFaceCenter(BoxCenter, _boxSize, BoxRotation, BoxFace.Back);
}
else
if (handleId == _backTick.HandleId)
{
_scaleDragWorkData.Axis = BoxLook;
_scaleDragWorkData.AxisIndex = 2;
_scaleDragWorkData.SnapStep = Settings3D.ZSnapStep;
_scaleDragWorkData.EntityScale = _targetHierarchyTransform.lossyScale.z;
_scalePivot = BoxMath.CalcBoxFaceCenter(BoxCenter, _boxSize, BoxRotation, BoxFace.Front);
}
if (_scaleFromCenter)
{
_scalePivot = BoxCenter;
}
_scaleDrag.SetWorkData(_scaleDragWorkData);
if (BoxUsage == Usage.ObjectScale && _targetHierarchyTransform != null)
{
_dragBeginTargetTransformSnapshot.Snapshot(_targetHierarchyTransform);
}
}
}
public bool IntersectsOBB(OBB otherOBB)
{
return(BoxMath.BoxIntersectsBox(_center, _size, _rotation, otherOBB.Center, otherOBB.Size, otherOBB.Rotation));
}
public Vector3 GetClosestPoint(Vector3 point)
{
return(BoxMath.CalcBoxPtClosestToPt(point, _center, _size, _rotation));
}
public List <Vector3> GetCornerPoints()
{
return(BoxMath.CalcBoxCornerPoints(_center, _size, _rotation));
}
public List <Vector3> GetCornerPoints()
{
return(BoxMath.CalcBoxCornerPoints(_center, _size, Quaternion.identity));
}
public override bool Raycast(Ray ray, out float t)
{
return(BoxMath.Raycast(ray, out t, _center, _size, _rotation, _epsilon));
}
public bool ContainsPoint(Vector3 point)
{
return(BoxMath.ContainsPoint(point, _center, _size, _rotation, _epsilon));
}
public bool Initialize(GameObject gameObject)
{
if (gameObject == null || _gameObject != null)
{
return(false);
}
Mesh mesh = gameObject.GetMesh();
Sprite sprite = gameObject.GetSprite();
if (mesh == null && sprite == null)
{
return(false);
}
bool useMesh = true;
if (mesh == null)
{
useMesh = false;
}
RTMesh rtMesh = null;
if (useMesh)
{
Renderer meshRenderer = gameObject.GetMeshRenderer();
if (meshRenderer == null || !meshRenderer.enabled)
{
useMesh = false;
}
rtMesh = RTMeshDb.Get.GetRTMesh(mesh);
if (rtMesh == null)
{
useMesh = false;
}
}
if (rtMesh == null && sprite == null)
{
return(false);
}
List <AABB> vertOverlapAABBs = BuildVertOverlapAABBs(gameObject, useMesh ? null : sprite, useMesh ? rtMesh : null);
if (vertOverlapAABBs.Count == 0)
{
return(false);
}
AABB modelAABB = useMesh ? rtMesh.AABB : ObjectBounds.CalcSpriteModelAABB(gameObject);
var aabbFaces = BoxMath.AllBoxFaces;
_gameObject = gameObject;
if (useMesh)
{
foreach (var aabbFace in aabbFaces)
{
AABB overlapAABB = vertOverlapAABBs[(int)aabbFace];
List <Vector3> overlappedVerts = rtMesh.OverlapModelVerts(overlapAABB);
Plane facePlane = BoxMath.CalcBoxFacePlane(modelAABB.Center, modelAABB.Size, Quaternion.identity, aabbFace);
overlappedVerts = facePlane.ProjectAllPoints(overlappedVerts);
_snapAreaBounds[(int)aabbFace] = new AABB(overlappedVerts);
_snapAreaDesc[(int)aabbFace] = BoxMath.GetBoxFaceAreaDesc(_snapAreaBounds[(int)aabbFace].Size, aabbFace);
}
}
else
{
foreach (var aabbFace in aabbFaces)
{
if (aabbFace != BoxFace.Front && aabbFace != BoxFace.Back)
{
AABB overlapAABB = vertOverlapAABBs[(int)aabbFace];
List <Vector3> overlappedVerts = ObjectVertexCollect.CollectModelSpriteVerts(sprite, overlapAABB);
Plane facePlane = BoxMath.CalcBoxFacePlane(modelAABB.Center, modelAABB.Size, Quaternion.identity, aabbFace);
overlappedVerts = facePlane.ProjectAllPoints(overlappedVerts);
_snapAreaBounds[(int)aabbFace] = new AABB(overlappedVerts);
_snapAreaDesc[(int)aabbFace] = BoxMath.GetBoxFaceAreaDesc(_snapAreaBounds[(int)aabbFace].Size, aabbFace);
}
else
{
_snapAreaBounds[(int)aabbFace] = AABB.GetInvalid();
_snapAreaDesc[(int)aabbFace] = BoxFaceAreaDesc.GetInvalid();
}
}
}
return(true);
}
public Vector3 GetFaceCenter(BoxFace boxFace)
{
return(BoxMath.CalcBoxFaceCenter(_center, _size, _rotation, boxFace));
}
public bool ContainsPoint(Vector3 point)
{
return(BoxMath.ContainsPoint(point, _center, _size, Quaternion.identity));
}
public static bool Raycast(Ray ray, out float t, Vector3 baseCenter, float baseWidth, float baseDepth, float height, Quaternion rotation)
{
t = 0.0f;
ray = ray.InverseTransform(Matrix4x4.TRS(baseCenter, rotation, Vector3.one));
Vector3 aabbSize = new Vector3(baseWidth, height, baseDepth);
if (!BoxMath.Raycast(ray, Vector3.up * height * 0.5f, aabbSize, Quaternion.identity))
{
return(false);
}
List <float> tValues = new List <float>(5);
Plane basePlane = new Plane(Vector3.up, Vector3.zero);
float rayEnter = 0.0f;
if (basePlane.Raycast(ray, out rayEnter) &&
QuadMath.Contains3DPoint(ray.GetPoint(rayEnter), false, baseCenter, baseWidth, baseDepth, Vector3.right, Vector3.forward))
{
tValues.Add(rayEnter);
}
float halfWidth = 0.5f * baseWidth;
float halfDepth = 0.5f * baseDepth;
Vector3 tipPosition = Vector3.up * height;
Vector3 p0 = tipPosition;
Vector3 p1 = Vector3.right * halfWidth - Vector3.forward * halfDepth;
Vector3 p2 = p1 - Vector3.right * baseWidth;
Plane trianglePlane = new Plane(p0, p1, p2);
if (trianglePlane.Raycast(ray, out rayEnter) &&
TriangleMath.Contains3DPoint(ray.GetPoint(rayEnter), false, p0, p1, p2))
{
tValues.Add(rayEnter);
}
p0 = tipPosition;
p1 = Vector3.right * halfWidth + Vector3.forward * halfDepth;
p2 = p1 - Vector3.forward * baseDepth;
trianglePlane = new Plane(p0, p1, p2);
if (trianglePlane.Raycast(ray, out rayEnter) &&
TriangleMath.Contains3DPoint(ray.GetPoint(rayEnter), false, p0, p1, p2))
{
tValues.Add(rayEnter);
}
p0 = tipPosition;
p1 = -Vector3.right * halfWidth + Vector3.forward * halfDepth;
p2 = p1 + Vector3.right * baseWidth;
trianglePlane = new Plane(p0, p1, p2);
if (trianglePlane.Raycast(ray, out rayEnter) &&
TriangleMath.Contains3DPoint(ray.GetPoint(rayEnter), false, p0, p1, p2))
{
tValues.Add(rayEnter);
}
p0 = tipPosition;
p1 = -Vector3.right * halfWidth - Vector3.forward * halfDepth;
p2 = p1 + Vector3.forward * baseDepth;
trianglePlane = new Plane(p0, p1, p2);
if (trianglePlane.Raycast(ray, out rayEnter) &&
TriangleMath.Contains3DPoint(ray.GetPoint(rayEnter), false, p0, p1, p2))
{
tValues.Add(rayEnter);
}
if (tValues.Count == 0)
{
return(false);
}
tValues.Sort(delegate(float t0, float t1) { return(t0.CompareTo(t1)); });
t = tValues[0];
return(true);
}
public void Transform(Matrix4x4 transformMatrix)
{
BoxMath.TransformBox(_center, _size, transformMatrix, out _center, out _size);
}
public void SetFaceCenter(BoxFace boxFace, Vector3 newCenter)
{
Vector3 currentFaceCenter = BoxMath.CalcBoxFaceCenter(_center, _size, _rotation, boxFace);
Center = newCenter + (_center - currentFaceCenter);
}
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);
}
