Ejemplo n.º 1
0
        public void ConvexVsConvexCollision(CollisionObject body0,
                                            CollisionObject body1,
                                            CollisionShape shape0,
                                            CollisionShape shape1)
        {
            CollisionShape tmpShape0 = body0.GetCollisionShape();
            CollisionShape tmpShape1 = body1.GetCollisionShape();

            body0.InternalSetTemporaryCollisionShape(shape0);
            body1.InternalSetTemporaryCollisionShape(shape1);
#if DEBUG
            if (BulletGlobals.g_streamWriter != null && BulletGlobals.debugGimpactAlgo)
            {
                BulletGlobals.g_streamWriter.WriteLine("GImpactAglo::ConvexVsConvex");
            }
#endif

            m_resultOut.SetShapeIdentifiersA(m_part0, m_triface0);
            m_resultOut.SetShapeIdentifiersB(m_part1, m_triface1);

            CheckConvexAlgorithm(body0, body1);
            m_convex_algorithm.ProcessCollision(body0, body1, m_dispatchInfo, m_resultOut);

            body0.InternalSetTemporaryCollisionShape(tmpShape0);
            body1.InternalSetTemporaryCollisionShape(tmpShape1);
        }
Ejemplo n.º 2
0
        public void ShapeVsShapeCollision(
            CollisionObject body0,
            CollisionObject body1,
            CollisionShape shape0,
            CollisionShape shape1)
        {
            CollisionShape tmpShape0 = body0.GetCollisionShape();
            CollisionShape tmpShape1 = body1.GetCollisionShape();

            body0.InternalSetTemporaryCollisionShape(shape0);
            body1.InternalSetTemporaryCollisionShape(shape1);
#if DEBUG
            if (BulletGlobals.g_streamWriter != null && BulletGlobals.debugGimpactAlgo)
            {
                BulletGlobals.g_streamWriter.WriteLine("GImpactAglo::ShapeVsShape");
            }
#endif


            {
                CollisionAlgorithm algor = NewAlgorithm(body0, body1);
                // post :	checkManifold is called

                m_resultOut.SetShapeIdentifiersA(m_part0, m_triface0);
                m_resultOut.SetShapeIdentifiersB(m_part1, m_triface1);

                algor.ProcessCollision(body0, body1, m_dispatchInfo, m_resultOut);

                m_dispatcher.FreeCollisionAlgorithm(algor);
            }

            body0.InternalSetTemporaryCollisionShape(tmpShape0);
            body1.InternalSetTemporaryCollisionShape(tmpShape1);
        }
Ejemplo n.º 3
0
        public virtual void ProcessTriangle(IndexedVector3[] triangle, int partId, int triangleIndex)
        {
            if (!AabbUtil2.TestTriangleAgainstAabb2(triangle, ref m_aabbMin, ref m_aabbMax))
            {
                return;
            }

            //aabb filter is already applied!
            CollisionAlgorithmConstructionInfo ci = new CollisionAlgorithmConstructionInfo();

            ci.SetDispatcher(m_dispatcher);

            CollisionObject ob = m_triBody as CollisionObject;

            ///debug drawing of the overlapping triangles
            ///
#if false
            if (m_dispatchInfoPtr != null && m_dispatchInfoPtr.getDebugDraw() != null && ((m_dispatchInfoPtr.getDebugDraw().GetDebugMode() & DebugDrawModes.DBG_DrawWireframe) > 0))
            {
                IndexedVector3 color = new IndexedVector3(1, 1, 0);
                IndexedMatrix  tr    = ob.GetWorldTransform();

                IndexedVector3[] transformedTriangles = new IndexedVector3[3];
                IndexedVector3.Transform(triangle, ref tr, transformedTriangles);

                m_dispatchInfoPtr.getDebugDraw().DrawLine(ref transformedTriangles[0], ref transformedTriangles[1], ref color);
                m_dispatchInfoPtr.getDebugDraw().DrawLine(ref transformedTriangles[1], ref transformedTriangles[2], ref color);
                m_dispatchInfoPtr.getDebugDraw().DrawLine(ref transformedTriangles[2], ref transformedTriangles[0], ref color);
            }
#endif
            if (m_convexBody.GetCollisionShape().IsConvex())
            {
                using (TriangleShape tm = BulletGlobals.TriangleShapePool.Get())
                {
                    tm.Initialize(ref triangle[0], ref triangle[1], ref triangle[2]);
                    tm.SetMargin(m_collisionMarginTriangle);

                    CollisionShape tmpShape = ob.GetCollisionShape();
                    ob.InternalSetTemporaryCollisionShape(tm);

                    CollisionAlgorithm colAlgo = ci.GetDispatcher().FindAlgorithm(m_convexBody, m_triBody, m_manifoldPtr);
                    ///this should use the btDispatcher, so the actual registered algorithm is used
                    //		btConvexConvexAlgorithm cvxcvxalgo(m_manifoldPtr,ci,m_convexBody,m_triBody);

                    if (m_resultOut.GetBody0Internal() == m_triBody)
                    {
                        m_resultOut.SetShapeIdentifiersA(partId, triangleIndex);
                    }
                    else
                    {
                        m_resultOut.SetShapeIdentifiersB(partId, triangleIndex);
                    }

                    colAlgo.ProcessCollision(m_convexBody, m_triBody, m_dispatchInfoPtr, m_resultOut);
                    ci.GetDispatcher().FreeCollisionAlgorithm(colAlgo);
                    colAlgo = null;

                    ob.InternalSetTemporaryCollisionShape(tmpShape);
                }
            }
        }