WPF 3D 翻盤抽獎程式

由於需要做幾個抽獎程式，是抽獎程式，做的酷炫華麗必不可少。不太熟悉flash，因此放棄；如果用silverlight做，需要在網頁中呈現，不方便，放棄；自己熟悉的技術只有Winform和WPF了。做了一番之後，發現要想用Winform實現比較酷炫華麗的效果真的很困難，而WPF相對簡單多了。既然做就做成最酷的，用立方體呈現翻盤，表面布上卡通畫的紋理，滑鼠移動到立方體上，立方體旋轉，觸發聲音，用徐徐展開的畫卷並伴隨著音樂呈現結果是個不錯的創意。
最終結果

展開後

XAML定義按鈕模板實現立方體按鈕。
按鈕觸發後改變按鈕樣式並禁用按鈕。
核心代碼：<Viewport3D>
    <Viewport3D.Camera>
        <PerspectiveCamera Position="2.9,2.9,2.9" LookDirection="-1,-1,-1" />
    </Viewport3D.Camera>
    <Viewport3D.Children>
        <ModelVisual3D>
            <ModelVisual3D.Content>
                <DirectionalLight Direction="-0.3,-0.4,-0.5" />
            </ModelVisual3D.Content>
        </ModelVisual3D>
        <ModelVisual3D>
            <ModelVisual3D.Transform>
                <RotateTransform3D>
                    <RotateTransform3D.Rotation>
                        <AxisAngleRotation3D Axis="0,1,0" Angle="0" />
                    </RotateTransform3D.Rotation>
                </RotateTransform3D>
            </ModelVisual3D.Transform>
            <ModelVisual3D.Content>
                <GeometryModel3D>
                    <GeometryModel3D.Material>
                        <DiffuseMaterial>
                            <DiffuseMaterial.Brush>
                                <VisualBrush ViewportUnits="Absolute" Transform="1,0,0,-1,0,1">
                                    <VisualBrush.Visual>
                                        <Border Background="{Binding Path=Background, RelativeSource='{RelativeSource TemplatedParent}'}">
                                            <Label Content="{Binding Path=Content, RelativeSource='{RelativeSource TemplatedParent}'}" />
                                        </Border>
                                    </VisualBrush.Visual>
                                </VisualBrush>
                            </DiffuseMaterial.Brush>
                        </DiffuseMaterial>
                    </GeometryModel3D.Material>
                    <GeometryModel3D.Geometry>
                        <MeshGeometry3D
                Positions="1,1,-1 1,-1,-1 -1,-1,-1 -1,1,-1 1,1,1 -1,1,1 -1,-1,1 1,-1,1 1,1,-1 1,1,1 1,-1,1 1,-1,-1 1,-1,-1 1,-1,1 -1,-1,1 -1,-1,-1 -1,-1,-1 -1,-1,1 -1,1,1 -1,1,-1 1,1,1 1,1,-1 -1,1,-1 -1,1,1"
                TriangleIndices="0 1 2 0 2 3 4 5 6 4 6 7 8 9 10 8 10 11 12 13 14 12 14 15 16 17 18 16 18 19 20 21 22 20 22 23"
                TextureCoordinates="0,1 0,0 1,0 1,1 1,1 -0,1 0,-0 1,0 1,1 -0,1 0,-0 1,0 1,0 1,1 -0,1 0,-0 -0,0 1,-0 1,1 0,1 1,-0 1,1 0,1 -0,0"/>
                    </GeometryModel3D.Geometry>
                </GeometryModel3D>
            </ModelVisual3D.Content>
        </ModelVisual3D>
    </Viewport3D.Children>
</Viewport3D>