anim_scale_0_00.x3d source
<?xml version="1.0" encoding="UTF-8"?>

<X3D>
<Scene>
<Viewpoint position='-5 0 5' orientation='0 -1 0 0.78' description='"initial"'/>

<NavigationInfo
type='"EXAMINE"'
/>

<!-- 背景 -->
<Background
skyColor='1 1 1'
/>

<!-- 箱 -->
<Shape>
<Appearance>
<Material/>
<ImageTexture
url='"map.gif"'
/>
<TextureTransform DEF='TT' center='-0.5 -0.5'/>
</Appearance>
<Box/>
</Shape>

<!-- タイムセンサー -->
<TimeSensor DEF='TiS' cycleInterval='25' loop='TRUE'/>

<!-- 拡大縮小アニメーション -->
<PositionInterpolator2D DEF='PI2D'
key='0 0.25 0.5 0.75 1'
keyValue='2.6 2.6
5 5
2.6 2.6
0.2 0.2
2.6 2.6
'
/>

<ROUTE fromNode='TiS' fromField='fraction_changed' toNode='PI2D' toField='set_fraction'/>
<ROUTE fromNode='PI2D' fromField='value_changed' toNode='TT' toField='scale'/>
</Scene>
</X3D>