WildMagic 简单图元(一)

#include <Wm5WindowApplication3.h>

#include <Wm5VisualEffectInstance.h>

using namespace Wm5;

class MyFrame : public WindowApplication3

{

    WM5_DECLARE_INITIALIZE;

    WM5_DECLARE_TERMINATE;

public:

    MyFrame();

    virtual bool OnInitialize();

    virtual void OnTerminate();

    virtual void OnIdle();

private:

    NodePtr  mScene;

    Culler      mCuller;

};

WM5_REGISTER_INITIALIZE(MyFrame);

WM5_REGISTER_TERMINATE(MyFrame);

WM5_WINDOW_APPLICATION(MyFrame)

MyFrame::MyFrame()

    :WindowApplication3("Ocean", , , , , Float4(0.0, 0.0, 1.0, 1.0))

{

}

bool MyFrame::OnInitialize()

{

    if (!WindowApplication3::OnInitialize())

    {

        return false;

    }

   mCamera->SetFrustum(60.0f, GetAspectRatio(), 0.1f, 1000.0f);

    APoint camPosition(16.0f, 0.0f, 0.0f);

    AVector camDVector(-1.0f, 0.0f, 0.0f);

    AVector camUVector(0.0f, 0.0f, 1.0f);

    AVector camRVector = camDVector.Cross(camUVector);

    mCamera->SetFrame(camPosition, camDVector, camUVector, camRVector);

    mScene = new0 Node;

    VertexFormat * vFormat = VertexFormat::Create(,

                                                  VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, ,

                                                  VertexFormat::AU_COLOR, VertexFormat::AT_FLOAT3, );

    TriMesh * mesh = StandardMesh(vFormat).Rectangle(, , 16.0f, 16.0f);

    VisualEffectInstance * instance = VertexColor3Effect::CreateUniqueInstance();

    mesh->SetEffectInstance(instance);

    mScene->AttachChild(mesh);

    mScene->Update();

    mCuller.SetCamera(mCamera);

    mCuller.ComputeVisibleSet(mScene);

    InitializeCameraMotion(0.01f, 0.001f);

    InitializeObjectMotion(mScene);

    return true;

}

void MyFrame::OnTerminate()

{

    WindowApplication3::OnTerminate();

}

void MyFrame::OnIdle()

{

    MeasureTime();

    if (MoveCamera())

    {

        mCuller.ComputeVisibleSet(mScene);

    }

    if (MoveObject())

    {

        mScene->Update();

        mCuller.ComputeVisibleSet(mScene);

    }

    if (mRenderer->PreDraw())

    {

        mRenderer->ClearBuffers();

        mRenderer->Draw(mCuller.GetVisibleSet());

        DrawFrameRate(, GetHeight() - , Float4(0.0, 1.0, 0.0, 1.0));

        mRenderer->PostDraw();

        mRenderer->DisplayColorBuffer();

    }

    UpdateFrameCount();

}