////////////////////////////////////////////////////////////////////////// //! 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(); }
////////////////////////////////////////////////////////////////////////// //! build a sphere ////////////////////////////////////////////////////////////////////////// void buildSphere(void) { Real32 Radius((Real32)(rand()%2)*0.5+0.5); Matrix m; //create OpenSG mesh GeometryRefPtr sphere; NodeRefPtr sphereNode = makeSphere(2, Radius); sphere = dynamic_cast<Geometry*>(sphereNode->getCore()); SimpleMaterialRefPtr sphere_mat = SimpleMaterial::create(); sphere_mat->setAmbient(Color3f(0.0,0.0,0.0)); sphere_mat->setDiffuse(Color3f(0.0,0.0,1.0)); sphere->setMaterial(sphere_mat); TransformRefPtr sphereTrans; NodeRefPtr sphereTransNode = makeCoredNode<Transform>(&sphereTrans); m.setIdentity(); Real32 randX = (Real32)(rand()%10)-5.0; Real32 randY = (Real32)(rand()%10)-5.0; m.setTranslate(randX, randY, 10.0); sphereTrans->setMatrix(m); //create ODE data PhysicsBodyRefPtr sphereBody = PhysicsBody::create(physicsWorld); sphereBody->setPosition(Vec3f(randX, randY, 10.0)); sphereBody->setAngularDamping(0.0001); sphereBody->setSphereMass(1.0,Radius); PhysicsSphereGeomRefPtr sphereGeom = PhysicsSphereGeom::create(); sphereGeom->setBody(sphereBody); sphereGeom->setSpace(physicsSpace); sphereGeom->setRadius(Radius); //add attachments sphereNode->addAttachment(sphereGeom); sphereTransNode->addAttachment(sphereBody); sphereTransNode->addChild(sphereNode); //add to SceneGraph spaceGroupNode->addChild(sphereTransNode); commitChanges(); }
////////////////////////////////////////////////////////////////////////// //! build a box ////////////////////////////////////////////////////////////////////////// PhysicsBodyRefPtr buildBox(Vec3f Dimensions, Pnt3f Position) { Matrix m; //create OpenSG mesh GeometryRefPtr box; NodeRefPtr boxNode = makeBox(Dimensions.x(), Dimensions.y(), Dimensions.z(), 1, 1, 1); box = dynamic_cast<Geometry*>(boxNode->getCore()); SimpleMaterialRefPtr box_mat = SimpleMaterial::create(); box_mat->setAmbient(Color3f(0.0,0.0,0.0)); box_mat->setDiffuse(Color3f(0.0,1.0 ,1.0)); box->setMaterial(box_mat); TransformRefPtr boxTrans; NodeRefPtr boxTransNode = makeCoredNode<Transform>(&boxTrans); m.setIdentity(); m.setTranslate(Position); boxTrans->setMatrix(m); //create ODE data PhysicsBodyRefPtr boxBody = PhysicsBody::create(physicsWorld); boxBody->setPosition(Vec3f(Position)); boxBody->setLinearDamping(0.001); boxBody->setAngularDamping(0.001); boxBody->setBoxMass(1.0,Dimensions.x(), Dimensions.y(), Dimensions.z()); PhysicsBoxGeomRefPtr boxGeom = PhysicsBoxGeom::create(); boxGeom->setBody(boxBody); boxGeom->setSpace(hashSpace); boxGeom->setLengths(Dimensions); //add attachments boxNode->addAttachment(boxGeom); boxTransNode->addAttachment(boxBody); boxTransNode->addChild(boxNode); //add to SceneGraph spaceGroupNode->addChild(boxTransNode); commitChanges(); return boxBody; }