Method CreateScene

GTE/Samples/Graphics/WireMesh/WireMeshWindow3.cpp:72–109

}

bool WireMeshWindow3::CreateScene()
{
    std::string vsPath = mEnvironment.GetPath(mEngine->GetShaderName("WireMesh.vs"));
    std::string psPath = mEnvironment.GetPath(mEngine->GetShaderName("WireMesh.ps"));
    std::string gsPath = mEnvironment.GetPath(mEngine->GetShaderName("WireMesh.gs"));
    auto program = mProgramFactory->CreateFromFiles(vsPath, psPath, gsPath);
    if (!program)
    {
        return false;
    }

    auto parameters = std::make_shared<ConstantBuffer>(3 * sizeof(Vector4<float>), false);
    auto* data = parameters->Get<Vector4<float>>();
    data[0] = { 0.0f, 0.0f, 1.0f, 1.0f };  // mesh color
    data[1] = { 0.0f, 0.0f, 0.0f, 1.0f };  // edge color
    data[2] = { static_cast<float>(mXSize), static_cast<float>(mYSize), 0.0f, 0.0f };
    program->GetVertexShader()->Set("WireParameters", parameters);
    program->GetPixelShader()->Set("WireParameters", parameters);
    program->GetGeometryShader()->Set("WireParameters", parameters);

    auto cbuffer = std::make_shared<ConstantBuffer>(sizeof(Matrix4x4<float>), true);
    program->GetVertexShader()->Set("PVWMatrix", cbuffer);

    auto effect = std::make_shared<VisualEffect>(program);

    VertexFormat vformat;
    vformat.Bind(VASemantic::POSITION, DF_R32G32B32_FLOAT, 0);
    MeshFactory mf;
    mf.SetVertexFormat(vformat);
    mMesh = mf.CreateSphere(16, 16, 1.0f);
    mMesh->SetEffect(effect);

    mPVWMatrices.Subscribe(mMesh->worldTransform, cbuffer);

    mTrackBall.Attach(mMesh);
    mTrackBall.Update();
    return true;
}