public virtual void DoSelfCollision(CollisionDetectedHandler collision) { if (!selfCollision) { return; } FPVector point, normal; FP penetration; for (int i = 0; i < points.Count; i++) { queryList.Clear(); this.dynamicTree.Query(queryList, ref points[i].boundingBox); for (int e = 0; e < queryList.Count; e++) { Triangle t = this.dynamicTree.GetUserData(queryList[e]); if (!(t.VertexBody1 == points[i] || t.VertexBody2 == points[i] || t.VertexBody3 == points[i])) { if (XenoCollide.Detect(points[i].Shape, t, ref points[i].orientation, ref FPMatrix.InternalIdentity, ref points[i].position, ref FPVector.InternalZero, out point, out normal, out penetration)) { int nearest = CollisionSystem.FindNearestTrianglePoint(this, queryList[e], ref point); collision(points[i], points[nearest], point, point, normal, penetration); } } } } }
private void DetectSoftSoft(SoftBody body1, SoftBody body2) { List <int> my = potentialTriangleLists.GetNew(); List <int> other = potentialTriangleLists.GetNew(); body1.dynamicTree.Query(other, my, body2.dynamicTree); for (int i = 0; i < other.Count; i++) { SoftBody.Triangle myTriangle = body1.dynamicTree.GetUserData(my[i]); SoftBody.Triangle otherTriangle = body2.dynamicTree.GetUserData(other[i]); FPVector point, normal; FP penetration; bool result; result = XenoCollide.Detect(myTriangle, otherTriangle, ref FPMatrix.InternalIdentity, ref FPMatrix.InternalIdentity, ref FPVector.InternalZero, ref FPVector.InternalZero, out point, out normal, out penetration); if (result) { int minIndexMy = FindNearestTrianglePoint(body1, my[i], ref point); int minIndexOther = FindNearestTrianglePoint(body2, other[i], ref point); RaiseCollisionDetected(body1.VertexBodies[minIndexMy], body2.VertexBodies[minIndexOther], ref point, ref point, ref normal, penetration); } } my.Clear(); other.Clear(); potentialTriangleLists.GiveBack(my); potentialTriangleLists.GiveBack(other); }
private void DetectSoftRigid(RigidBody rigidBody, SoftBody softBody) { if (rigidBody.Shape is Multishape) { Multishape ms = (rigidBody.Shape as Multishape); ms = ms.RequestWorkingClone(); TSBBox transformedBoundingBox = softBody.BoundingBox; transformedBoundingBox.InverseTransform(ref rigidBody.position, ref rigidBody.orientation); int msLength = ms.Prepare(ref transformedBoundingBox); List <int> detected = potentialTriangleLists.GetNew(); softBody.dynamicTree.Query(detected, ref rigidBody.boundingBox); foreach (int i in detected) { SoftBody.Triangle t = softBody.dynamicTree.GetUserData(i); FPVector point, normal; FP penetration; bool result; for (int e = 0; e < msLength; e++) { ms.SetCurrentShape(e); result = XenoCollide.Detect(ms, t, ref rigidBody.orientation, ref FPMatrix.InternalIdentity, ref rigidBody.position, ref FPVector.InternalZero, out point, out normal, out penetration); if (result) { int minIndex = FindNearestTrianglePoint(softBody, i, ref point); RaiseCollisionDetected(rigidBody, softBody.VertexBodies[minIndex], ref point, ref point, ref normal, penetration); } } } detected.Clear(); potentialTriangleLists.GiveBack(detected); ms.ReturnWorkingClone(); } else { List <int> detected = potentialTriangleLists.GetNew(); softBody.dynamicTree.Query(detected, ref rigidBody.boundingBox); foreach (int i in detected) { SoftBody.Triangle t = softBody.dynamicTree.GetUserData(i); FPVector point, normal; FP penetration; bool result; result = XenoCollide.Detect(rigidBody.Shape, t, ref rigidBody.orientation, ref FPMatrix.InternalIdentity, ref rigidBody.position, ref FPVector.InternalZero, out point, out normal, out penetration); if (result) { int minIndex = FindNearestTrianglePoint(softBody, i, ref point); RaiseCollisionDetected(rigidBody, softBody.VertexBodies[minIndex], ref point, ref point, ref normal, penetration); } } detected.Clear(); potentialTriangleLists.GiveBack(detected); } }
private void DetectRigidRigid(RigidBody body1, RigidBody body2) { bool b1IsMulti = (body1.Shape is Multishape); bool b2IsMulti = (body2.Shape is Multishape); bool speculative = speculativeContacts || (body1.EnableSpeculativeContacts || body2.EnableSpeculativeContacts); FPVector point, normal; FP penetration; if (!b1IsMulti && !b2IsMulti) { if (XenoCollide.Detect(body1.Shape, body2.Shape, ref body1.orientation, ref body2.orientation, ref body1.position, ref body2.position, out point, out normal, out penetration)) { //normal = JVector.Up; //UnityEngine.Debug.Log("FINAL --- >>> normal: " + normal); FPVector point1, point2; FindSupportPoints(body1, body2, body1.Shape, body2.Shape, ref point, ref normal, out point1, out point2); RaiseCollisionDetected(body1, body2, ref point1, ref point2, ref normal, penetration); } else if (speculative) { FPVector hit1, hit2; if (GJKCollide.ClosestPoints(body1.Shape, body2.Shape, ref body1.orientation, ref body2.orientation, ref body1.position, ref body2.position, out hit1, out hit2, out normal)) { FPVector delta = hit2 - hit1; if (delta.sqrMagnitude < (body1.sweptDirection - body2.sweptDirection).sqrMagnitude) { penetration = delta * normal; if (penetration < FP.Zero) { RaiseCollisionDetected(body1, body2, ref hit1, ref hit2, ref normal, penetration); } } } } //UnityEngine.Debug.Log("-----------------------: " + normal); } else if (b1IsMulti && b2IsMulti) { Multishape ms1 = (body1.Shape as Multishape); Multishape ms2 = (body2.Shape as Multishape); ms1 = ms1.RequestWorkingClone(); ms2 = ms2.RequestWorkingClone(); TSBBox transformedBoundingBox = body2.boundingBox; transformedBoundingBox.InverseTransform(ref body1.position, ref body1.orientation); int ms1Length = ms1.Prepare(ref transformedBoundingBox); transformedBoundingBox = body1.boundingBox; transformedBoundingBox.InverseTransform(ref body2.position, ref body2.orientation); int ms2Length = ms2.Prepare(ref transformedBoundingBox); if (ms1Length == 0 || ms2Length == 0) { ms1.ReturnWorkingClone(); ms2.ReturnWorkingClone(); return; } for (int i = 0; i < ms1Length; i++) { ms1.SetCurrentShape(i); for (int e = 0; e < ms2Length; e++) { ms2.SetCurrentShape(e); if (XenoCollide.Detect(ms1, ms2, ref body1.orientation, ref body2.orientation, ref body1.position, ref body2.position, out point, out normal, out penetration)) { FPVector point1, point2; FindSupportPoints(body1, body2, ms1, ms2, ref point, ref normal, out point1, out point2); RaiseCollisionDetected(body1, body2, ref point1, ref point2, ref normal, penetration); } else if (speculative) { FPVector hit1, hit2; if (GJKCollide.ClosestPoints(ms1, ms2, ref body1.orientation, ref body2.orientation, ref body1.position, ref body2.position, out hit1, out hit2, out normal)) { FPVector delta = hit2 - hit1; if (delta.sqrMagnitude < (body1.sweptDirection - body2.sweptDirection).sqrMagnitude) { penetration = delta * normal; if (penetration < FP.Zero) { RaiseCollisionDetected(body1, body2, ref hit1, ref hit2, ref normal, penetration); } } } } } } ms1.ReturnWorkingClone(); ms2.ReturnWorkingClone(); } else { RigidBody b1, b2; if (body2.Shape is Multishape) { b1 = body2; b2 = body1; } else { b2 = body2; b1 = body1; } Multishape ms = (b1.Shape as Multishape); ms = ms.RequestWorkingClone(); TSBBox transformedBoundingBox = b2.boundingBox; transformedBoundingBox.InverseTransform(ref b1.position, ref b1.orientation); int msLength = ms.Prepare(ref transformedBoundingBox); if (msLength == 0) { ms.ReturnWorkingClone(); return; } for (int i = 0; i < msLength; i++) { ms.SetCurrentShape(i); if (XenoCollide.Detect(ms, b2.Shape, ref b1.orientation, ref b2.orientation, ref b1.position, ref b2.position, out point, out normal, out penetration)) { FPVector point1, point2; FindSupportPoints(b1, b2, ms, b2.Shape, ref point, ref normal, out point1, out point2); if (useTerrainNormal && ms is TerrainShape) { (ms as TerrainShape).CollisionNormal(out normal); FPVector.Transform(ref normal, ref b1.orientation, out normal); } else if (useTriangleMeshNormal && ms is TriangleMeshShape) { (ms as TriangleMeshShape).CollisionNormal(out normal); FPVector.Transform(ref normal, ref b1.orientation, out normal); } RaiseCollisionDetected(b1, b2, ref point1, ref point2, ref normal, penetration); } else if (speculative) { FPVector hit1, hit2; if (GJKCollide.ClosestPoints(ms, b2.Shape, ref b1.orientation, ref b2.orientation, ref b1.position, ref b2.position, out hit1, out hit2, out normal)) { FPVector delta = hit2 - hit1; if (delta.sqrMagnitude < (body1.sweptDirection - body2.sweptDirection).sqrMagnitude) { penetration = delta * normal; if (penetration < FP.Zero) { RaiseCollisionDetected(b1, b2, ref hit1, ref hit2, ref normal, penetration); } } } } } ms.ReturnWorkingClone(); } }