XT

<?xml version="1.0" encoding="utf-8"?>

<Canvas width="300" height="600">

  <Parameter>

    <Variable name="Radius" value="1" desc="半径" />

    <Variable name="Height" value="2" desc="高度" />

  </Parameter>

  <Scene>

  	<Scene position="0,0,0" rotation="0" layer="1" >

		  <Polygon fill="#FF0000" line="#FFFFFF" layer="1" position="150,150" >

					<Vertex coordinate="-100,0"/>

					<Vertex coordinate="100,0"/>

					<Vertex coordinate="100,100"/>

					<Vertex coordinate="-100,100"/>

		  </Polygon>

  	</Scene>

	  <Circle position="150,100" radius="100" />

	  <Rect fill="#FF0000" line="#FFFFFF" layer="1" position="50,50" width="200" height="100" />

	  <Polyline line="#FFFFFF00" layer="1">

				<Vertex coordinate="0,0"/>

				<Vertex coordinate="300,0"/>

	  </Polyline>

	  <Label text="s0" position="150,100"/>

  </Scene>

</Canvas>