C++ Zone::SetBoundingBox方法代码示例

void RTTScene::CreateScene()
{
	rttScene_ = new Scene(context_);
	rttScene_->CreateComponent<Octree>();

	Node* zoneNode = rttScene_->CreateChild("Zone");
	Zone* zone = zoneNode->CreateComponent<Zone>();
	zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
	zone->SetAmbientColor(Color(0.05f, 0.1f, 0.15f));
	zone->SetFogColor(Color(0.1f, 0.2f, 0.3f));
	zone->SetFogStart(10.0f);
	zone->SetFogEnd(100.0f);

	//用来指定ViewPort时的定位
	rttCameraNode_ = rttScene_->CreateChild("Camera");
	Camera* camera = rttCameraNode_->CreateComponent<Camera>();
	
	Light* light = rttCameraNode_->CreateComponent<Light>();
	light->SetLightType(LIGHT_POINT);

	renderTexture = new Texture2D(context_);
	//设置当前场景的ViewPort
	renderTexture->SetSize(_width,_height,Graphics::GetRGBFormat(),TEXTURE_RENDERTARGET);
	RenderSurface* surface = renderTexture->GetRenderSurface();
	renderTexture->SetFilterMode(FILTER_BILINEAR);

	Viewport* rttViewPort = new Viewport(context_,rttScene_,camera);
	surface->SetViewport(0,rttViewPort);
}

void SceneReplication::CreateScene()
{
    scene_ = new Scene(context_);

    // Create scene content on the server only
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    // Create octree and physics world with default settings. Create them as local so that they are not needlessly replicated
    // when a client connects
    scene_->CreateComponent<Octree>(LOCAL);
    scene_->CreateComponent<PhysicsWorld>(LOCAL);

    // All static scene content and the camera are also created as local, so that they are unaffected by scene replication and are
    // not removed from the client upon connection. Create a Zone component first for ambient lighting & fog control.
    Node* zoneNode = scene_->CreateChild("Zone", LOCAL);
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.1f, 0.1f, 0.1f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);

    // Create a directional light without shadows
    Node* lightNode = scene_->CreateChild("DirectionalLight", LOCAL);
    lightNode->SetDirection(Vector3(0.5f, -1.0f, 0.5f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetColor(Color(0.2f, 0.2f, 0.2f));
    light->SetSpecularIntensity(1.0f);

    // Create a "floor" consisting of several tiles. Make the tiles physical but leave small cracks between them
    for (int y = -20; y <= 20; ++y)
    {
        for (int x = -20; x <= 20; ++x)
        {
            Node* floorNode = scene_->CreateChild("FloorTile", LOCAL);
            floorNode->SetPosition(Vector3(x * 20.2f, -0.5f, y * 20.2f));
            floorNode->SetScale(Vector3(20.0f, 1.0f, 20.0f));
            StaticModel* floorObject = floorNode->CreateComponent<StaticModel>();
            floorObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
            floorObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));

            RigidBody* body = floorNode->CreateComponent<RigidBody>();
            body->SetFriction(1.0f);
            CollisionShape* shape = floorNode->CreateComponent<CollisionShape>();
            shape->SetBox(Vector3::ONE);
        }
    }

    // Create the camera. Limit far clip distance to match the fog
    // The camera needs to be created into a local node so that each client can retain its own camera, that is unaffected by
    // network messages. Furthermore, because the client removes all replicated scene nodes when connecting to a server scene,
    // the screen would become blank if the camera node was replicated (as only the locally created camera is assigned to a
    // viewport in SetupViewports() below)
    cameraNode_ = scene_->CreateChild("Camera", LOCAL);
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);

    // Set an initial position for the camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}

void LuaIntegration::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    scene_ = new Scene(context_);

    // Create the Octree component to the scene so that drawable objects can be rendered. Use default volume
    // (-1000, -1000, -1000) to (1000, 1000, 1000)
    scene_->CreateComponent<Octree>();

    // Create a Zone component into a child scene node. The Zone controls ambient lighting and fog settings. Like the Octree,
    // it also defines its volume with a bounding box, but can be rotated (so it does not need to be aligned to the world X, Y
    // and Z axes.) Drawable objects "pick up" the zone they belong to and use it when rendering; several zones can exist
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    // Set same volume as the Octree, set a close bluish fog and some ambient light
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.05f, 0.1f, 0.15f));
    zone->SetFogColor(Color(0.1f, 0.2f, 0.3f));
    zone->SetFogStart(10.0f);
    zone->SetFogEnd(100.0f);
    
    // Create randomly positioned and oriented box StaticModels in the scene
    const unsigned NUM_OBJECTS = 2000;
    for (unsigned i = 0; i < NUM_OBJECTS; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        boxNode->SetPosition(Vector3(Random(200.0f) - 100.0f, Random(200.0f) - 100.0f, Random(200.0f) - 100.0f));
        // Orient using random pitch, yaw and roll Euler angles
        boxNode->SetRotation(Quaternion(Random(360.0f), Random(360.0f), Random(360.0f)));
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        
        // Add our custom Rotator script object (using the LuaScriptInstance C++ component to instantiate / store it) which will
        // rotate the scene node each frame, when the scene sends its update event
        LuaScriptInstance* instance = boxNode->CreateComponent<LuaScriptInstance>();
        instance->CreateObject("LuaScripts/Rotator.lua", "Rotator");
        
        // Call the script object's "SetRotationSpeed" function.
        WeakPtr<LuaFunction> function = instance->GetScriptObjectFunction("SetRotationSpeed");
        if (function && function->BeginCall(instance))
        {
            function->PushUserType(Vector3(10.0f, 20.0f, 30.0f), "Vector3");
            function->EndCall();
        }
    }
    
    // Create the camera. Let the starting position be at the world origin. As the fog limits maximum visible distance, we can
    // bring the far clip plane closer for more effective culling of distant objects
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(100.0f);
    
    // Create a point light to the camera scene node
    Light* light = cameraNode_->CreateComponent<Light>();
    light->SetLightType(LIGHT_POINT);
    light->SetRange(30.0f);
}

void Labyrinth::CreateScene()
{
    // ADDED
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // TODO vzdialenost kamery podla rozlisenia obrazovky
    
    // Create scene subsystem components
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<PhysicsWorld>();
    scene_->CreateComponent<DebugRenderer>();
    
    // Create camera and define viewport. We will be doing load / save, so it's convenient to create the camera outside the scene,
    // so that it won't be destroyed and recreated, and we don't have to redefine the viewport on load
    // TODO treb vytunit poziciu kamery a jej rotaciu
    cameraNode_ = new Node(context_);
    cameraNode_->SetName("cameraNode");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);
    // aby to vyzeralo ako 2.5D treba prepnut ortho na true
    /*camera->SetOrthographic(false);
    cameraNode_->SetPosition(Vector3(10, 90, 10));
    cameraNode_->SetRotation(Quaternion(75, 0, 0));
    GetSubsystem<Renderer>()->SetViewport(0, new Viewport(context_, scene_, camera));*/
    
    camera->SetOrthographic(false);
    cameraNode_->SetPosition(Vector3(0, 10, 0));
    cameraNode_->SetRotation(Quaternion(90, 0, 0));
    
   
    
    // Create static scene content. First create a zone for ambient lightning and fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(1000.0f);
    zone->SetFogEnd(1000.0f);
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));

    // Create a directional light with cascaded shadow mapping
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.3f, -0.5f, 0.425f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
    light->SetSpecularIntensity(1.0f);
    
    // ------------------------------------------
    
    CreateFloor(20, 14);
}

void AnimatingScene::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // Create the Octree component to the scene so that drawable objects can be rendered. Use default volume
    // (-1000, -1000, -1000) to (1000, 1000, 1000)
    scene_->CreateComponent<Octree>();
    
    // Create a Zone component into a child scene node. The Zone controls ambient lighting and fog settings. Like the Octree,
    // it also defines its volume with a bounding box, but can be rotated (so it does not need to be aligned to the world X, Y
    // and Z axes.) Drawable objects "pick up" the zone they belong to and use it when rendering; several zones can exist
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    // Set same volume as the Octree, set a close bluish fog and some ambient light
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.05f, 0.1f, 0.15f));
    zone->SetFogColor(Color(0.1f, 0.2f, 0.3f));
    zone->SetFogStart(10.0f);
    zone->SetFogEnd(100.0f);
    
    // Create randomly positioned and oriented box StaticModels in the scene
    const unsigned NUM_OBJECTS = 2000;
    for (unsigned i = 0; i < NUM_OBJECTS; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        boxNode->SetPosition(Vector3(Random(200.0f) - 100.0f, Random(200.0f) - 100.0f, Random(200.0f) - 100.0f));
        // Orient using random pitch, yaw and roll Euler angles
        boxNode->SetRotation(Quaternion(Random(360.0f), Random(360.0f), Random(360.0f)));
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        
        // Add our custom Rotator component which will rotate the scene node each frame, when the scene sends its update event.
        // The Rotator component derives from the base class LogicComponent, which has convenience functionality to subscribe
        // to the various update events, and forward them to virtual functions that can be implemented by subclasses. This way
        // writing logic/update components in C++ becomes similar to scripting.
        // Now we simply set same rotation speed for all objects
        Rotator* rotator = boxNode->CreateComponent<Rotator>();
        rotator->SetRotationSpeed(Vector3(10.0f, 20.0f, 30.0f));
    }
    
    // Create the camera. Let the starting position be at the world origin. As the fog limits maximum visible distance, we can
    // bring the far clip plane closer for more effective culling of distant objects
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(100.0f);
    
    // Create a point light to the camera scene node
    Light* light = cameraNode_->CreateComponent<Light>();
    light->SetLightType(LIGHT_POINT);
    light->SetRange(30.0f);
}

	void Sample::CreateScene()
	{
		ResourceCache* cache = GetSubsystem<ResourceCache>();

		scene_ = new Scene(context_);


		sceneHierarchyWindow_->SetScene(scene_);
		// Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
		// Also create a DebugRenderer component so that we can draw debug geometry
		scene_->CreateComponent<Octree>();
		scene_->CreateComponent<DebugRenderer>();

		// Create a Zone component for ambient lighting & fog control
		Node* zoneNode = scene_->CreateChild("Zone");
		Zone* zone = zoneNode->CreateComponent<Zone>();
		zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
		zone->SetAmbientColor(Color(0.5f, 0.5f, 0.5f));
		zone->SetFogStart(100.0f);
		zone->SetFogEnd(300.0f);

		// Create a directional light without shadows
		Node* lightNode = scene_->CreateChild("DirectionalLight");
		lightNode->SetDirection(Vector3(0.5f, -1.0f, 0.5f));
		Light* light = lightNode->CreateComponent<Light>();
		light->SetLightType(LIGHT_DIRECTIONAL);
		light->SetColor(Color(0.2f, 0.2f, 0.2f));
		light->SetSpecularIntensity(1.0f);

		// Create a "floor" consisting of several tiles
		for (int y = -5; y <= 5; ++y)
		{
			for (int x = -5; x <= 5; ++x)
			{
				Node* floorNode = scene_->CreateChild("FloorTile");
				floorNode->SetPosition(Vector3(x * 20.5f, -0.5f, y * 20.5f));
				floorNode->SetScale(Vector3(20.0f, 1.0f, 20.f));
				StaticModel* floorObject = floorNode->CreateComponent<StaticModel>();
				floorObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
				floorObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
			}
		}

		// Create the camera. Limit far clip distance to match the fog
		camNode_ = scene_->CreateChild("Camera");
		Camera* camera = camNode_->CreateComponent<Camera>();
		camera->SetFarClip(1300.0f);

		// Set an initial position for the camera scene node above the plane
		camNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
	}

/// Setup the screen UI
void GameEconomicGameClient::SetupScreenUI(void)
{
    /// Create a new scene UI
    scenePlayerUI_= new Scene(context_);
    scenePlayerUI_-> CreateComponent<Octree>();
    scenePlayerUI_-> CreateComponent<DebugRenderer>();

    /// Add a lightdelightNode
    Node* lightNode = scenePlayerUI_->CreateChild("uidirectionallight");
    lightNode->SetDirection(Vector3(0.0f, .8f, 3.20f)); /// The direction vector does not need to be normalized
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);

    /// Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scenePlayerUI_->CreateChild("uizone");
    Zone* zone = zoneNode->CreateComponent<Zone>();

    Vector3 boundingBoxMin(-20.0f,-20.0f,-20.0f);
    Vector3 boundingBoxMax(20.0f,20.0f,20.0f);

    /// change bounding box to something more accurate
    zone->SetBoundingBox(BoundingBox(boundingBoxMin,boundingBoxMax));
    zone->SetFogColor(Color(.08f, .08f, .08f));
    zone->SetFogStart(10.0f);
    zone->SetFogEnd(20.0f);
    zone->SetHeightFog (false);

    /// Add Camera
    Node * cameraNodePlayerUI_ = scenePlayerUI_->CreateChild("uicamera");
    cameraNodePlayerUI_->CreateComponent<Camera>();

    /// Set an initial position for the camera scene node above the plane
    cameraNodePlayerUI_->SetPosition(Vector3(0.0f, 0.8f, 3.0f));

    Node * emptyNode= scenePlayerUI_->CreateChild("uiempty");
    emptyNode->SetPosition(Vector3(0.0f,0.73f,0.0f));

    /// Create character node;
    Node * characterNode= scenePlayerUI_->CreateChild("Character");
    characterNode->SetPosition(Vector3(0.0f,0.0f,0.0f));

    cameraNodePlayerUI_ -> LookAt(Vector3(emptyNode->GetPosition()));
    lightNode -> Rotate(Quaternion(.398377,0.854323,0.141073,-0.302532));
}

void MultipleViewports::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    // Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();
    
    // Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));
    
    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);
    
    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
    // Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));

    // Create some mushrooms
    const unsigned NUM_MUSHROOMS = 240;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
    {
        Node* mushroomNode = scene_->CreateChild("Mushroom");
        mushroomNode->SetPosition(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));
        mushroomNode->SetRotation(Quaternion(0.0f, Random(360.0f), 0.0f));
        mushroomNode->SetScale(0.5f + Random(2.0f));
        StaticModel* mushroomObject = mushroomNode->CreateComponent<StaticModel>();
        mushroomObject->SetModel(cache->GetResource<Model>("Models/Mushroom.mdl"));
        mushroomObject->SetMaterial(cache->GetResource<Material>("Materials/Mushroom.xml"));
        mushroomObject->SetCastShadows(true);
    }
    
    // Create randomly sized boxes. If boxes are big enough, make them occluders
    const unsigned NUM_BOXES = 20;
    for (unsigned i = 0; i < NUM_BOXES; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        float size = 1.0f + Random(10.0f);
        boxNode->SetPosition(Vector3(Random(80.0f) - 40.0f, size * 0.5f, Random(80.0f) - 40.0f));
        boxNode->SetScale(size);
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        boxObject->SetCastShadows(true);
        if (size >= 3.0f)
            boxObject->SetOccluder(true);
    }
    
    // Create the cameras. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);
    
    // Parent the rear camera node to the front camera node and turn it 180 degrees to face backward
    // Here, we use the angle-axis constructor for Quaternion instead of the usual Euler angles
    rearCameraNode_ = cameraNode_->CreateChild("RearCamera");
    rearCameraNode_->Rotate(Quaternion(180.0f, Vector3::UP));
    Camera* rearCamera = rearCameraNode_->CreateComponent<Camera>();
    rearCamera->SetFarClip(300.0f);
    // Because the rear viewport is rather small, disable occlusion culling from it. Use the camera's
    // "view override flags" for this. We could also disable eg. shadows or force low material quality
    // if we wanted
    rearCamera->SetViewOverrideFlags(VO_DISABLE_OCCLUSION);
    
    // Set an initial position for the front camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}

void DynamicGeometry::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    scene_ = new Scene(context_);

    // Create the Octree component to the scene so that drawable objects can be rendered. Use default volume
    // (-1000, -1000, -1000) to (1000, 1000, 1000)
    scene_->CreateComponent<Octree>();

    // Create a Zone for ambient light & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetFogColor(Color(0.2f, 0.2f, 0.2f));
    zone->SetFogStart(200.0f);
    zone->SetFogEnd(300.0f);

    // Create a directional light
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(-0.6f, -1.0f, -0.8f)); // The direction vector does not need to be normalized
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetColor(Color(0.4f, 1.0f, 0.4f));
    light->SetSpecularIntensity(1.5f);

    // Get the original model and its unmodified vertices, which are used as source data for the animation
    Model* originalModel = cache->GetResource<Model>("Models/Box.mdl");
    if (!originalModel)
    {
        ATOMIC_LOGERROR("Model not found, cannot initialize example scene");
        return;
    }
    // Get the vertex buffer from the first geometry's first LOD level
    VertexBuffer* buffer = originalModel->GetGeometry(0, 0)->GetVertexBuffer(0);
    const unsigned char* vertexData = (const unsigned char*)buffer->Lock(0, buffer->GetVertexCount());
    if (vertexData)
    {
        unsigned numVertices = buffer->GetVertexCount();
        unsigned vertexSize = buffer->GetVertexSize();
        // Copy the original vertex positions
        for (unsigned i = 0; i < numVertices; ++i)
        {
            const Vector3& src = *reinterpret_cast<const Vector3*>(vertexData + i * vertexSize);
            originalVertices_.Push(src);
        }
        buffer->Unlock();

        // Detect duplicate vertices to allow seamless animation
        vertexDuplicates_.Resize(originalVertices_.Size());
        for (unsigned i = 0; i < originalVertices_.Size(); ++i)
        {
            vertexDuplicates_[i] = i; // Assume not a duplicate
            for (unsigned j = 0; j < i; ++j)
            {
                if (originalVertices_[i].Equals(originalVertices_[j]))
                {
                    vertexDuplicates_[i] = j;
                    break;
                }
            }
        }
    }
    else
    {
        ATOMIC_LOGERROR("Failed to lock the model vertex buffer to get original vertices");
        return;
    }

    // Create StaticModels in the scene. Clone the model for each so that we can modify the vertex data individually
    for (int y = -1; y <= 1; ++y)
    {
        for (int x = -1; x <= 1; ++x)
        {
            Node* node = scene_->CreateChild("Object");
            node->SetPosition(Vector3(x * 2.0f, 0.0f, y * 2.0f));
            StaticModel* object = node->CreateComponent<StaticModel>();
            SharedPtr<Model> cloneModel = originalModel->Clone();
            object->SetModel(cloneModel);
            // Store the cloned vertex buffer that we will modify when animating
            animatingBuffers_.Push(SharedPtr<VertexBuffer>(cloneModel->GetGeometry(0, 0)->GetVertexBuffer(0)));
        }
    }

    // Finally create one model (pyramid shape) and a StaticModel to display it from scratch
    // Note: there are duplicated vertices to enable face normals. We will calculate normals programmatically
    {
        const unsigned numVertices = 18;

        float vertexData[] = {
            // Position             Normal
            0.0f, 0.5f, 0.0f,       0.0f, 0.0f, 0.0f,
            0.5f, -0.5f, 0.5f,      0.0f, 0.0f, 0.0f,
            0.5f, -0.5f, -0.5f,     0.0f, 0.0f, 0.0f,

            0.0f, 0.5f, 0.0f,       0.0f, 0.0f, 0.0f,
            -0.5f, -0.5f, 0.5f,     0.0f, 0.0f, 0.0f,
            0.5f, -0.5f, 0.5f,      0.0f, 0.0f, 0.0f,

            0.0f, 0.5f, 0.0f,       0.0f, 0.0f, 0.0f,
//.........这里部分代码省略.........

void Urho3DTemplate::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    scene_ = new Scene(context_);

    //Create octree, use default volume (-1000, -1000, -1000) to (1000,1000,1000)
    //Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();

    //Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));

    //Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);

    //Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));

    //Set cascade splits at 10, 50, 200 world unitys, fade shadows at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));

    //Create some mushrooms
    const unsigned NUM_MUSHROOMS = 100;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
        CreateMushroom(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));

    //Create randomly sized boxes. If boxes are big enough make them occluders
    const unsigned NUM_BOXES = 20;
    for (unsigned i = 0; i <NUM_BOXES; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        float size = 1.0f + Random(10.0f);
        boxNode->SetPosition(Vector3(Random(80.0f) - 40.0f, size * 0.5f, Random(80.0f) - 40.0f));
        boxNode->SetScale(size);
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        boxObject->SetCastShadows(true);
        if (size >= 3.0f)
            boxObject->SetOccluder(true);
    }

    //Create Jack node that will follow the path
    jackNode_ = scene_->CreateChild("Jack");
    jackNode_->SetPosition(Vector3(-5.0f, 0.0f, 20.0f));
    AnimatedModel* modelObject = jackNode_->CreateComponent<AnimatedModel>();
    modelObject->SetModel(cache->GetResource<Model>("Model/Jack.mdl"));
    modelObject->SetMaterial(cache->GetResource<Material>("Materials/Jack.xml"));
    modelObject->SetCastShadows(true);

    //Create the camera. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);

    //Set an initial position for the camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}

void Ragdolls::CreateScene()
{
    ResourceCache* cache = GetContext()->m_ResourceCache.get();

    scene_ = new Scene(GetContext());

    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    // Create a physics simulation world with default parameters, which will update at 60fps. Like the Octree must
    // exist before creating drawable components, the PhysicsWorld must exist before creating physics components.
    // Finally, create a DebugRenderer component so that we can draw physics debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<PhysicsWorld>();
    scene_->CreateComponent<DebugRenderer>();

    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);

    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
    // Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));

    {
        // Create a floor object, 500 x 500 world units. Adjust position so that the ground is at zero Y
        Node* floorNode = scene_->CreateChild("Floor");
        floorNode->SetPosition(Vector3(0.0f, -0.5f, 0.0f));
        floorNode->SetScale(Vector3(500.0f, 1.0f, 500.0f));
        StaticModel* floorObject = floorNode->CreateComponent<StaticModel>();
        floorObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        floorObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));

        // Make the floor physical by adding RigidBody and CollisionShape components
        RigidBody* body = floorNode->CreateComponent<RigidBody>();
        // We will be spawning spherical objects in this sample. The ground also needs non-zero rolling friction so that
        // the spheres will eventually come to rest
        body->SetRollingFriction(0.15f);
        CollisionShape* shape = floorNode->CreateComponent<CollisionShape>();
        // Set a box shape of size 1 x 1 x 1 for collision. The shape will be scaled with the scene node scale, so the
        // rendering and physics representation sizes should match (the box model is also 1 x 1 x 1.)
        shape->SetBox(Vector3::ONE);
    }

    // Create animated models
    for (int z = -1; z <= 1; ++z)
    {
        for (int x = -4; x <= 4; ++x)
        {
            Node* modelNode = scene_->CreateChild("Jack");
            modelNode->SetPosition(Vector3(x * 5.0f, 0.0f, z * 5.0f));
            modelNode->SetRotation(Quaternion(0.0f, 180.0f, 0.0f));
            AnimatedModel* modelObject = modelNode->CreateComponent<AnimatedModel>();
            modelObject->SetModel(cache->GetResource<Model>("Models/Jack.mdl"));
            modelObject->SetMaterial(cache->GetResource<Material>("Materials/Jack.xml"));
            modelObject->SetCastShadows(true);
            // Set the model to also update when invisible to avoid staying invisible when the model should come into
            // view, but does not as the bounding box is not updated
            modelObject->SetUpdateInvisible(true);

            // Create a rigid body and a collision shape. These will act as a trigger for transforming the
            // model into a ragdoll when hit by a moving object
            RigidBody* body = modelNode->CreateComponent<RigidBody>();
            // The Trigger mode makes the rigid body only detect collisions, but impart no forces on the
            // colliding objects
            body->SetTrigger(true);
            CollisionShape* shape = modelNode->CreateComponent<CollisionShape>();
            // Create the capsule shape with an offset so that it is correctly aligned with the model, which
            // has its origin at the feet
            shape->SetCapsule(0.7f, 2.0f, Vector3(0.0f, 1.0f, 0.0f));

            // Create a custom component that reacts to collisions and creates the ragdoll
            modelNode->CreateComponent<CreateRagdoll>();
        }
    }

    // Create the camera. Limit far clip distance to match the fog. Note: now we actually create the camera node outside
    // the scene, because we want it to be unaffected by scene load / save
    cameraNode_ = new Node(GetContext());
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->setFarClipDistance(300.0f);

    // Set an initial position for the camera scene node above the floor
    cameraNode_->SetPosition(Vector3(0.0f, 3.0f, -20.0f));
}

void Navigation::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    // Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();
    
    // Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));
    
    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);
    
    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.0001f, 0.5f));
    // Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
    
    // Create some mushrooms
    const unsigned NUM_MUSHROOMS = 100;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
        CreateMushroom(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));
    
    // Create randomly sized boxes. If boxes are big enough, make them occluders
    const unsigned NUM_BOXES = 20;
    for (unsigned i = 0; i < NUM_BOXES; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        float size = 1.0f + Random(10.0f);
        boxNode->SetPosition(Vector3(Random(80.0f) - 40.0f, size * 0.5f, Random(80.0f) - 40.0f));
        boxNode->SetScale(size);
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        boxObject->SetCastShadows(true);
        if (size >= 3.0f)
            boxObject->SetOccluder(true);
    }
    
    // Create a NavigationMesh component to the scene root
    NavigationMesh* navMesh = scene_->CreateComponent<NavigationMesh>();
    // Create a Navigable component to the scene root. This tags all of the geometry in the scene as being part of the
    // navigation mesh. By default this is recursive, but the recursion could be turned off from Navigable
    scene_->CreateComponent<Navigable>();
    // Add padding to the navigation mesh in Y-direction so that we can add objects on top of the tallest boxes
    // in the scene and still update the mesh correctly
    navMesh->SetPadding(Vector3(0.0f, 10.0f, 0.0f));
    // Now build the navigation geometry. This will take some time. Note that the navigation mesh will prefer to use
    // physics geometry from the scene nodes, as it often is simpler, but if it can not find any (like in this example)
    // it will use renderable geometry instead
    navMesh->Build();
    
    // Create the camera. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);
    
    // Set an initial position for the camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}

void Water::CreateScene()
{
    ResourceCache* cache = GetContext()->m_ResourceCache.get();

    scene_ = new Scene(GetContext());

    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    scene_->CreateComponent<Octree>();

    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(1.0f, 1.0f, 1.0f));
    zone->SetFogStart(500.0f);
    zone->SetFogEnd(750.0f);

    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
    light->SetSpecularIntensity(0.5f);
    // Apply slightly overbright lighting to match the skybox
    light->SetColor(Color(1.2f, 1.2f, 1.2f));

    // Create skybox. The Skybox component is used like StaticModel, but it will be always located at the camera, giving the
    // illusion of the box planes being far away. Use just the ordinary Box model and a suitable material, whose shader will
    // generate the necessary 3D texture coordinates for cube mapping
    Node* skyNode = scene_->CreateChild("Sky");
    skyNode->SetScale(500.0f); // The scale actually does not matter
    Skybox* skybox = skyNode->CreateComponent<Skybox>();
    skybox->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
    skybox->SetMaterial(cache->GetResource<Material>("Materials/Skybox.xml"));

    // Create heightmap terrain
    Node* terrainNode = scene_->CreateChild("Terrain");
    terrainNode->SetPosition(Vector3(0.0f, 0.0f, 0.0f));
    Terrain* terrain = terrainNode->CreateComponent<Terrain>();
    terrain->SetPatchSize(64);
    terrain->SetSpacing(Vector3(2.0f, 0.5f, 2.0f)); // Spacing between vertices and vertical resolution of the height map
    terrain->SetSmoothing(true);
    terrain->SetHeightMap(cache->GetResource<Image>("Textures/HeightMap.png"));
    terrain->SetMaterial(cache->GetResource<Material>("Materials/Terrain.xml"));
    // The terrain consists of large triangles, which fits well for occlusion rendering, as a hill can occlude all
    // terrain patches and other objects behind it
    terrain->SetOccluder(true);

    // Create 1000 boxes in the terrain. Always face outward along the terrain normal
    unsigned NUM_OBJECTS = 1000;
    for (unsigned i = 0; i < NUM_OBJECTS; ++i)
    {
        Node* objectNode = scene_->CreateChild("Box");
        Vector3 position(Random(2000.0f) - 1000.0f, 0.0f, Random(2000.0f) - 1000.0f);
        position.y_ = terrain->GetHeight(position) + 2.25f;
        objectNode->SetPosition(position);
        // Create a rotation quaternion from up vector to terrain normal
        objectNode->SetRotation(Quaternion(Vector3(0.0f, 1.0f, 0.0f), terrain->GetNormal(position)));
        objectNode->SetScale(5.0f);
        StaticModel* object = objectNode->CreateComponent<StaticModel>();
        object->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        object->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        object->SetCastShadows(true);
    }
    Node* shipNode = scene_->CreateChild("Ship");
    shipNode->SetPosition(Vector3(0.0f, 4.6f, 0.0f));
    //shipNode->SetRotation(Quaternion(0.0f, Random(360.0f), 0.0f));
    shipNode->SetScale(0.5f + Random(2.0f));
    StaticModel* shipObject = shipNode->CreateComponent<StaticModel>();
    shipObject->SetModel(cache->GetResource<Model>("Models/ship04.mdl"));
    shipObject->SetMaterial(0,cache->GetResource<Material>("Materials/ship04_Material0.xml"));
    shipObject->SetMaterial(1,cache->GetResource<Material>("Materials/ship04_Material1.xml"));
    shipObject->SetMaterial(2,cache->GetResource<Material>("Materials/ship04_Material2.xml"));
    shipObject->SetCastShadows(true);

    // Create a water plane object that is as large as the terrain
    waterNode_ = scene_->CreateChild("Water");
    waterNode_->SetScale(Vector3(2048.0f, 1.0f, 2048.0f));
    waterNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
    StaticModel* water = waterNode_->CreateComponent<StaticModel>();
    water->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    water->SetMaterial(cache->GetResource<Material>("Materials/Water.xml"));
    // Set a different viewmask on the water plane to be able to hide it from the reflection camera
    water->SetViewMask(0x80000000);

    // Create the camera. Set far clip to match the fog. Note: now we actually create the camera node outside
    // the scene, because we want it to be unaffected by scene load / save
    cameraNode_ = new Node(GetContext());
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->setFarClipDistance(750.0f);

    // Set an initial position for the camera scene node above the ground
    cameraNode_->SetPosition(Vector3(0.0f, 7.0f, -20.0f));
}

void CharacterDemo::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    scene_ = new Scene(context_);

    // Create scene subsystem components
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<PhysicsWorld>();

    // Create camera and define viewport. We will be doing load / save, so it's convenient to create the camera outside the scene,
    // so that it won't be destroyed and recreated, and we don't have to redefine the viewport on load
    cameraNode_ = new Node(context_);
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);
    GetSubsystem<Renderer>()->SetViewport(0, new Viewport(context_, scene_, camera));

    // Create static scene content. First create a zone for ambient lighting and fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));

    // Create a directional light with cascaded shadow mapping
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.3f, -0.5f, 0.425f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
    light->SetSpecularIntensity(0.5f);

    // Create the floor object
    Node* floorNode = scene_->CreateChild("Floor");
    floorNode->SetPosition(Vector3(0.0f, -0.5f, 0.0f));
    floorNode->SetScale(Vector3(200.0f, 1.0f, 200.0f));
    StaticModel* object = floorNode->CreateComponent<StaticModel>();
    object->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
    object->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));

    RigidBody* body = floorNode->CreateComponent<RigidBody>();
    // Use collision layer bit 2 to mark world scenery. This is what we will raycast against to prevent camera from going
    // inside geometry
    body->SetCollisionLayer(2);
    CollisionShape* shape = floorNode->CreateComponent<CollisionShape>();
    shape->SetBox(Vector3::ONE);

    // Create mushrooms of varying sizes
    const unsigned NUM_MUSHROOMS = 60;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
    {
        Node* objectNode = scene_->CreateChild("Mushroom");
        objectNode->SetPosition(Vector3(Random(180.0f) - 90.0f, 0.0f, Random(180.0f) - 90.0f));
        objectNode->SetRotation(Quaternion(0.0f, Random(360.0f), 0.0f));
        objectNode->SetScale(2.0f + Random(5.0f));
        StaticModel* object = objectNode->CreateComponent<StaticModel>();
        object->SetModel(cache->GetResource<Model>("Models/Mushroom.mdl"));
        object->SetMaterial(cache->GetResource<Material>("Materials/Mushroom.xml"));
        object->SetCastShadows(true);

        RigidBody* body = objectNode->CreateComponent<RigidBody>();
        body->SetCollisionLayer(2);
        CollisionShape* shape = objectNode->CreateComponent<CollisionShape>();
        shape->SetTriangleMesh(object->GetModel(), 0);
    }

    // Create movable boxes. Let them fall from the sky at first
    const unsigned NUM_BOXES = 100;
    for (unsigned i = 0; i < NUM_BOXES; ++i)
    {
        float scale = Random(2.0f) + 0.5f;

        Node* objectNode = scene_->CreateChild("Box");
        objectNode->SetPosition(Vector3(Random(180.0f) - 90.0f, Random(10.0f) + 10.0f, Random(180.0f) - 90.0f));
        objectNode->SetRotation(Quaternion(Random(360.0f), Random(360.0f), Random(360.0f)));
        objectNode->SetScale(scale);
        StaticModel* object = objectNode->CreateComponent<StaticModel>();
        object->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        object->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        object->SetCastShadows(true);

        RigidBody* body = objectNode->CreateComponent<RigidBody>();
        body->SetCollisionLayer(2);
        // Bigger boxes will be heavier and harder to move
        body->SetMass(scale * 2.0f);
        CollisionShape* shape = objectNode->CreateComponent<CollisionShape>();
        shape->SetBox(Vector3::ONE);
    }
}

void GameApplication::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    // Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();
    
    // Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    //planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/dikuang.mdl"));

	Material* material = cache->GetResource<Material>("Materials/Water.xml");

    planeObject->SetMaterial(material);	//dikuang
	
    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.3f, 0.3f, 0.3f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);
    
    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.2f, -0.5f, -0.1f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
//	light->SetSpecularIntensity(3);
	light->SetBrightness(1);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.0001f, 0.5f));
    // Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));

	InitGridModels();
    
    // Create the camera. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
	//float fZoom = camera->GetFov();
	//camera->SetFov(fZoom);

    camera->SetFarClip(300.0f);
    
    // Set an initial position for the camera scene node above the plane
	cameraNode_->SetPosition(Vector3(0.2318,7.5248,-0.2721));
	yaw_ = 0.10003410;
	pitch_ = 90;

 //   cameraNode_->SetPosition(Vector3(5.0f, 5.0f, -15.0f));
	//pitch_ = 19;
	cameraNode_->SetRotation(Quaternion(pitch_, yaw_, 0.0f));
}