PhysicsBodyUnrecPtr buildBox(const Pnt3f& Position, const Vec3f& Dimensions, const Color3f& Color, Node* const spaceGroupNode, PhysicsWorld* const physicsWorld, PhysicsHashSpace* const physicsSpace) { Matrix m; //create OpenSG mesh GeometryUnrecPtr box; NodeUnrecPtr boxNode = makeBox(Dimensions.x(), Dimensions.y(), Dimensions.z(), 1, 1, 1); box = dynamic_cast<Geometry*>(boxNode->getCore()); SimpleMaterialUnrecPtr box_mat = SimpleMaterial::create(); box_mat->setAmbient(Color3f(0.0,0.0,0.0)); box_mat->setDiffuse(Color); box->setMaterial(box_mat); TransformUnrecPtr boxTrans; NodeUnrecPtr boxTransNode = makeCoredNode<Transform>(&boxTrans); m.setIdentity(); m.setTranslate(Position); boxTrans->setMatrix(m); //create ODE data PhysicsBodyUnrecPtr boxBody = PhysicsBody::create(physicsWorld); boxBody->setPosition(Vec3f(Position)); boxBody->setBoxMass(1.0,Dimensions.x(), Dimensions.y(), Dimensions.z()); boxBody->setLinearDamping(0.0001); boxBody->setAngularDamping(0.0001); PhysicsBoxGeomUnrecPtr boxGeom = PhysicsBoxGeom::create(); boxGeom->setBody(boxBody); boxGeom->setSpace(physicsSpace); boxGeom->setLengths(Dimensions); //add attachments boxNode->addAttachment(boxGeom); boxTransNode->addAttachment(boxBody); boxTransNode->addChild(boxNode); //add to SceneGraph spaceGroupNode->addChild(boxTransNode); return boxBody; }
////////////////////////////////////////////////////////////////////////// //! build a box ////////////////////////////////////////////////////////////////////////// PhysicsBodyUnrecPtr buildBox(void) { Vec3f Lengths((Real32)(rand()%2)+1.0, (Real32)(rand()%2)+1.0, (Real32)(rand()%2)+1.0); Matrix m; //create OpenSG mesh GeometryUnrecPtr box; NodeUnrecPtr boxNode = makeBox(Lengths.x(), Lengths.y(), Lengths.z(), 1, 1, 1); box = dynamic_cast<Geometry*>(boxNode->getCore()); SimpleMaterialUnrecPtr box_mat = SimpleMaterial::create(); box_mat->setAmbient(Color3f(0.0,0.0,0.0)); box_mat->setDiffuse(Color3f(0.0,1.0 ,0.0)); box->setMaterial(box_mat); TransformUnrecPtr boxTrans; NodeUnrecPtr boxTransNode = makeCoredNode<Transform>(&boxTrans); m.setIdentity(); Real32 randX = (Real32)(rand()%10)-5.0; Real32 randY = (Real32)(rand()%10)-5.0; m.setTranslate(randX, randY, 10.0); boxTrans->setMatrix(m); //create ODE data PhysicsBodyUnrecPtr boxBody = PhysicsBody::create(physicsWorld); boxBody->setPosition(Vec3f(randX, randY, 10.0)); boxBody->setBoxMass(1.0, Lengths.x(), Lengths.y(), Lengths.z()); PhysicsBoxGeomUnrecPtr boxGeom = PhysicsBoxGeom::create(); boxGeom->setBody(boxBody); boxGeom->setSpace(physicsSpace); boxGeom->setLengths(Lengths); //add attachments boxNode->addAttachment(boxGeom); boxTransNode->addAttachment(boxBody); boxTransNode->addChild(boxNode); //add to SceneGraph spaceGroupNode->addChild(boxTransNode); commitChanges(); return boxBody; }