React Physics 3d，凸网格形状问题

问题描述

我对反应物理学的凸网格形状有疑问。发生冲突时，断言maxDotProduct> = decimal（0.0）失败。

reactphysics3d::Transform TempTransform(DFEPhysicsTransform::DFETransformToRPT(*LevelMeshes[i]->MeshTransform));
                    reactphysics3d::PolygonVertexArray::PolygonFace* polygonFaces = new reactphysics3d::PolygonVertexArray::PolygonFace[TempPhysicsMesh->FaceSizes.size()];
                    reactphysics3d::PolygonVertexArray::PolygonFace* face = polygonFaces;

                    // FaceSizes.size() is how many non-triangulated faces the mesh contains.

                    unsigned int BaseCounter = 0;
                    for (int i = 0; i < TempPhysicsMesh->FaceSizes.size(); i++)
                    {
                        face->indexBase = BaseCounter;
                        face->nbVertices = TempPhysicsMesh->FaceSizes[i]; // FaceSizes stores how many vertices there are per face,so that is what we set nbVertices to.
                        BaseCounter += TempPhysicsMesh->FaceSizes[i]; // Each index describes on vertex,so we increase the index base by the amount of vertices in this face.
                        face++;
                    }

                    // FaceVertices contains the vertices of the mesh in float form,:. sizeof(float) * 3.
                    // FaceIndices contains the index data directly loaded from a wavefront .obj file,with not triangulation.
                    // GetVerticesCount(),get the amount of whole vertices the mesh has. As in a vec3.
                    // SetupPhysicsMesh is my own function,which creates the convex mesh shape,using createConvexMeshShape.

                    reactphysics3d::PolygonVertexArray* polygonVertexArray = new reactphysics3d::PolygonVertexArray(TempPhysicsMesh->GetVerticesCount(),&(TempPhysicsMesh->FaceVertices[0]),3* sizeof(float),&(TempPhysicsMesh->FaceIndices[0]),sizeof(unsigned int),TempPhysicsMesh->FaceSizes.size(),polygonFaces,reactphysics3d::PolygonVertexArray::VertexDataType::VERTEX_FLOAT_TYPE,reactphysics3d::PolygonVertexArray::IndexDataType::INDEX_INTEGER_TYPE);
                    reactphysics3d::PolyhedronMesh* polyhedronMesh = SystemGlobalVars->GlobalPhysicsCommon->createPolyhedronMesh(polygonVertexArray);
                    TempPhysicsMesh->SetupPhysicsMesh(TempTransform,RPCS_ConvexMeshShape,DFECollisionShapeParams::SetConvexMeshShapeData(polyhedronMesh,DFEPhysicsTransform::GlmVec3ToVector3(std::get<glm::vec3>(ConvU::DecodeVector(6,3,TempEntityData[j].second)))),TempDataItems[3].DecodeInt(),DFEPOCM_ALL,SystemGlobalVars->GlobalPhysicsWorld,SystemGlobalVars->GlobalPhysicsCommon);

感谢您的帮助。

解决方法

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