コード例 #1
0
//////////////////////////////////////////////////////////////////////////
//! 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();
}
コード例 #2
0
//////////////////////////////////////////////////////////////////////////
//! build a ship
//////////////////////////////////////////////////////////////////////////
PhysicsBodyRefPtr buildShip(Vec3f Dimensions, Pnt3f Position)
{
    Real32 Radius(osgMax(Dimensions.x(), Dimensions.y())/2.0f);
    Real32 Length(Dimensions.z() - 2.0f*Radius);

    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(1.0,1.0 ,0.0));
        box->setMaterial(box_mat);
    TransformRefPtr boxTrans;
    NodeRefPtr boxTransNode = makeCoredNode<Transform>(&boxTrans);
    m.setIdentity();
    m.setTranslate(Position - Vec3f(0.0f,0.0f,0.5f*Dimensions.z()));
        boxTrans->setMatrix(m);

        for(UInt32 i(0) ; i<box->getPositions()->size() ; ++i)
        {
            box->getPositions()->setValue<Pnt3f>(box->getPositions()->getValue<Pnt3f>(i) + Vec3f(0.0,0.0,Dimensions.z()/2.0f),i);
        }


    //create ODE data

    PhysicsBodyRefPtr CapsuleBody = PhysicsBody::create(physicsWorld);
        CapsuleBody->setPosition(Vec3f(Position - Vec3f(0.0f,0.0f,0.5f*Dimensions.z())));
        CapsuleBody->setLinearDamping(0.01);
        CapsuleBody->setMaxAngularSpeed(0.0);
    CapsuleBody->setCapsuleMass(1.0,3,Radius, Length);

    PhysicsCapsuleGeomRefPtr CapsuleGeom = PhysicsCapsuleGeom::create();
        CapsuleGeom->setBody(CapsuleBody);
        CapsuleGeom->setOffsetPosition(Vec3f(0.0f,0.0f,0.5f*Dimensions.z()));
        CapsuleGeom->setSpace(hashSpace);
        CapsuleGeom->setRadius(Radius);
        CapsuleGeom->setLength(Length);

    //add attachments
        boxNode->addAttachment(CapsuleGeom);
        boxTransNode->addAttachment(CapsuleBody);
        boxTransNode->addChild(boxNode);

    //add to SceneGraph
        spaceGroupNode->addChild(boxTransNode);

    commitChanges();

    return CapsuleBody;
}
コード例 #3
0
//////////////////////////////////////////////////////////////////////////
//! 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;
}