WPF : 3D 最简单的WPF 3D

<Window x:Class="SimplestWpf3D.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="300" Width="300">
    <Grid>
        <Viewport3D>
            <!--Camera-->
            <Viewport3D.Camera>
                <PerspectiveCamera />
            </Viewport3D.Camera>
            
            <!--Lights and Objects in the Children-->
            <Viewport3D.Children>                
                <!--Light-->
                <ModelVisual3D>
                    <ModelVisual3D.Content>
                        <DirectionalLight Color="White" Direction="0,1,-1"/>
                    </ModelVisual3D.Content>
                </ModelVisual3D>
                
                <!--Object-->
                <ModelVisual3D>
                    <ModelVisual3D.Content>
                        <GeometryModel3D>
                            <GeometryModel3D.Geometry>
                                <MeshGeometry3D Positions="-1 0 -8, 1 0 -8, 0 1 -8"/>
                            </GeometryModel3D.Geometry>
                            <GeometryModel3D.Material>
                                <DiffuseMaterial Brush="Red" />
                            </GeometryModel3D.Material>
                        </GeometryModel3D>
                    </ModelVisual3D.Content>
                </ModelVisual3D>
            </Viewport3D.Children> 
        </Viewport3D>
    </Grid>
</Window>