////////////////////////////////////////////////////////////////////////// //! trimesh defined by filenode will be loaded ////////////////////////////////////////////////////////////////////////// void buildTriMesh(void) { NodeRefPtr tri = cloneTree(TriGeometryBase); if(tri!=NULL) { GeometryRefPtr triGeo = dynamic_cast<Geometry*>(tri->getCore()); Matrix m; SimpleMaterialRefPtr tri_mat = SimpleMaterial::create(); tri_mat->setAmbient(Color3f(0.1,0.1,0.2)); tri_mat->setDiffuse(Color3f(1.0,0.1,0.7)); triGeo->setMaterial(tri_mat); TransformRefPtr triTrans; NodeRefPtr triTransNode = makeCoredNode<Transform>(&triTrans); m.setIdentity(); Real32 randX = (Real32)(rand()%10)-5.0; Real32 randY = (Real32)(rand()%10)-5.0; m.setTranslate(randX, randY, 18.0); triTrans->setMatrix(m); //create ODE data Vec3f GeometryBounds(calcMinGeometryBounds(triGeo)); PhysicsBodyRefPtr triBody = PhysicsBody::create(physicsWorld); triBody->setPosition(Vec3f(randX, randY, 18.0)); triBody->setLinearDamping(0.0001); triBody->setAngularDamping(0.0001); triBody->setBoxMass(1.0,GeometryBounds.x(), GeometryBounds.y(), GeometryBounds.z()); PhysicsGeomRefPtr triGeom; if(true) { triGeom = PhysicsTriMeshGeom::create(); triGeom->setBody(triBody); //add geom to space for collision triGeom->setSpace(physicsSpace); //set the geometryNode to fill the ode-triMesh NodeRefPtr TorusGeometryNode(makeTorus(0.55, 1.05, 6, 6)); dynamic_pointer_cast<PhysicsTriMeshGeom>(triGeom)->setGeometryNode(TorusGeometryNode); } //add attachments tri->addAttachment(triGeom); triTransNode->addAttachment(triBody); //add to SceneGraph triTransNode->addChild(tri); spaceGroupNode->addChild(triTransNode); } else { SLOG << "Could not read MeshData!" << endLog; } commitChanges(); }