[Aaronyang] 寫給自己的WPF4.5 筆記23 [3d互動與動畫 4/4]

weixin_34054866發表於2015-03-17
筆記3D動畫

效果圖預覽：

1. 3d中的命中測試

我新建了一個空的視窗，用zam做了一個長方體，深度很小。然後匯出xaml

<Viewport3D x:Name="ZAM3DViewport3D" ClipToBounds="true" Width="400" Height="300" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/interactivedesigner/2006" xmlns:c="http://schemas.openxmlformats.org/markup-compatibility/2006" c:Ignorable="d">
    <Viewport3D.Resources>
        <ResourceDictionary>
            <MaterialGroup x:Key="ER___Flat_06MR1" >
                <DiffuseMaterial>
                    <DiffuseMaterial.Brush>
                        <SolidColorBrush Color="#999999" Opacity="1.000000"/>
                    </DiffuseMaterial.Brush>
                </DiffuseMaterial>
            </MaterialGroup>
            <Transform3DGroup x:Key="SceneTR7" >
                <TranslateTransform3D OffsetX="0" OffsetY="0" OffsetZ="0"/>
                <ScaleTransform3D ScaleX="1" ScaleY="1" ScaleZ="1"/>
                <RotateTransform3D>
                    <RotateTransform3D.Rotation>
                        <AxisAngleRotation3D Angle="0" Axis="0 1 0"/>
                    </RotateTransform3D.Rotation>
                </RotateTransform3D>
                <TranslateTransform3D OffsetX="0" OffsetY="0" OffsetZ="0"/>
            </Transform3DGroup>
            <Transform3DGroup x:Key="立方體OR9TR8" >
                <TranslateTransform3D OffsetX="0" OffsetY="0" OffsetZ="0"/>
                <ScaleTransform3D ScaleX="1" ScaleY="1" ScaleZ="1"/>
                <RotateTransform3D>
                    <RotateTransform3D.Rotation>
                        <AxisAngleRotation3D Angle="0" Axis="0 1 0"/>
                    </RotateTransform3D.Rotation>
                </RotateTransform3D>
                <TranslateTransform3D OffsetX="-0.258329" OffsetY="0.0941457" OffsetZ="-0.662509"/>
            </Transform3DGroup>
            <MeshGeometry3D x:Key="立方體OR9GR10" 
                TriangleIndices="0,1,2 2,3,0 4,5,6 6,7,4 8,9,10 10,11,8 12,13,14 14,15,12 16,17,18 18,19,16 20,21,22 22,23,20 "
                Normals="0,0,-1 0,0,-1 0,0,-1 0,0,-1 0,0,1 0,0,1 0,0,1 0,0,1 0,-1,0 0,-1,0 0,-1,0 0,-1,0 1,0,0 1,0,0 1,0,0 1,0,0 0,1,0 0,1,0 0,1,0 0,1,0 -1,0,0 -1,0,0 -1,0,0 -1,0,0 "
                Positions="-0.66,-0.405,0 -0.66,0.405,0 0.66,0.405,0 0.66,-0.405,0 -0.66,-0.405,0 0.66,-0.405,0 0.66,0.405,0 -0.66,0.405,0 -0.66,-0.405,0 0.66,-0.405,0 0.66,-0.405,0 -0.66,-0.405,0 0.66,-0.405,0 0.66,0.405,0 0.66,0.405,0 0.66,-0.405,0 0.66,0.405,0 -0.66,0.405,0 -0.66,0.405,0 0.66,0.405,0 -0.66,0.405,0 -0.66,-0.405,0 -0.66,-0.405,0 -0.66,0.405,0 "
            />
        </ResourceDictionary>
    </Viewport3D.Resources>

    <Viewport3D.Camera>
        <PerspectiveCamera x:Name="前視OR6" FarPlaneDistance="10" LookDirection="0,0,-1" UpDirection="0,1,0" NearPlaneDistance="2" Position="0,0,2.38396" FieldOfView="39.5978" />
    </Viewport3D.Camera>

    <ModelVisual3D>
        <ModelVisual3D.Content>
            <Model3DGroup x:Name="Scene" Transform="{DynamicResource SceneTR7}"> <!-- 場景 (XAML Path = ) -->
                <AmbientLight Color="#333333" />
                <DirectionalLight Color="#FFFFFF" Direction="0.0397419,0.00265522,-0.999206" />
                <DirectionalLight Color="#FFFFFF" Direction="0.648078,0.0259535,-0.761131" />
                <Model3DGroup x:Name="立方體OR9" Transform="{DynamicResource 立方體OR9TR8}"> <!-- 立方體 (XAML Path = (Viewport3D.Children)[0].(ModelVisual3D.Content).(Model3DGroup.Children)[3]) -->
                    <GeometryModel3D x:Name="立方體OR9GR10" Geometry="{DynamicResource 立方體OR9GR10}" Material="{DynamicResource ER___Flat_06MR1}" BackMaterial="{DynamicResource ER___Flat_06MR1}"/>
                </Model3DGroup>
            </Model3DGroup>
        </ModelVisual3D.Content>
    </ModelVisual3D>
</Viewport3D>
View Code

我們給ModelVisual3D.Transform中的RotateTransform3D中的AxisAngleRotation3D加上一個名字axisRotation

 

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OK，到目前為止，WPF的基礎3D知識已經講完了，謝謝你的閱讀。

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