WPF 3D 翻盘抽奖程序

由于需要做几个抽奖程序，是抽奖程序，做的酷炫华丽必不可少。不太熟悉flash，因此放弃；如果用silverlight做，需要在网页中呈现，不方便，放弃；自己熟悉的技术只有Winform和WPF了。做了一番之后，发现要想用Winform实现比较酷炫华丽的效果真的很困难，而WPF相对简单多了。既然做就做成最酷的，用立方体呈现翻盘，表面布上卡通画的纹理，鼠标移动到立方体上，立方体旋转，触发声音，用徐徐展开的画卷并伴随着音乐呈现结果是个不错的创意。
最终结果如图：


展开后如图：


XAML定义按钮模板实现立方体按钮。
按钮触发后改变按钮样式并禁用按钮。
核心代码：

<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>