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<?xml version="1.0"?>
<scene>
<Group>
<PerspectiveCamera name="camera0" from="-9.333145142 2.932261944 -3.125504494" to="-10.18498802 2.06202507 -5.499505043" up="0 1 0" fov="95"/>
<DirectionalLight>
<AffineSpace>
1 0 0 0
0 0 -1 0
0 1 -0.4 0
</AffineSpace>
<E>3 3 3</E>
</DirectionalLight>
<TriangleMesh>
<positions>
-20 0 -20
-20 0 +20
+20 0 +20
+20 0 -20
</positions>
<triangles>
0 2 1
0 3 2
</triangles>
<material>
<code>"OBJ"</code>
<parameters>
<float3 name="Kd">0.8 0.8 0.9</float3>
</parameters>
</material>
</TriangleMesh>
<!-- twisted varying radius loop -->
<Transform>
<AffineSpace translate="-10 1 -4"/>
<Curves basis="bezier" type="normal_oriented" tessellation_rate="16">
<positions>
-2 0 0 0.1
5 3 0 0.2
-5 3 0 0.2
2 0 -1 0.1
</positions>
<normals>
0 1 0
0 0 1
0 0 0
0 0 0
</normals>
<indices>
0
</indices>
<material>
<code>"OBJ"</code>
<parameters>
<float3 name="Kd">1 0 0</float3>
</parameters>
</material>
</Curves>
</Transform>
</Group>
</scene>
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