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<scene>
<!----------------------material--------------->
<material id="backWallMaterial">
<diffuse>
<albedo value="0.5 0.5 0.5"/>
</diffuse>
</material>
<material id="ceilingMaterial">
<diffuse>
<albedo value="0.5 0.5 0.5"/>
</diffuse>
</material>
<material id="floorMaterial">
<diffuse>
<albedo value="0.3 0.3 0.3"/>
</diffuse>
</material>
<material id="leftWallMaterial">
<diffuse>
<albedo value="0.5 0.0 0.0"/>
</diffuse>
</material>
<material id="rightWallMaterial">
<diffuse>
<albedo value="0.0 0.5 0.0"/>
</diffuse>
</material>
<material id="yellowCubeMaterial">
<diffuse>
<albedo value="0.5 0.5 0.0"/>
</diffuse>
</material>
<material id="greenCubeMaterial">
<diffuse>
<albedo value="0.0 0.7 0.0"/>
</diffuse>
</material>
<!---------------------------Shapes---------------------->
<triangleMesh id="plane">
<triangle>
<vertex v="+1.0 +0.0 -1.0"/>
<vertex v="-1.0 +0.0 -1.0"/>
<vertex v="-1.0 +0.0 +1.0"/>
<vertex v="+1.0 +0.0 +1.0"/>
</triangle>
</triangleMesh>
<!------------------------Scene Graphs-------------------->
<sceneGraphNode>
<!-------------FLOOR------------------>
<sceneGraphNode>
<transformation>
<translation offset="0.0 -1.0 0.0"/>
</transformation>
<triangleMesh ref="plane"/>
<material ref="floorMaterial"/>
</sceneGraphNode>
<!-----------CEILING------------------>
<sceneGraphNode>
<transformation>
<translation offset="0.0 +1.0 0.0"/>
<rotationX angle="180"/>
</transformation>
<triangleMesh ref="plane"/>
<material ref="ceilingMaterial"/>
</sceneGraphNode>
<!-----------BACK WALL---------------->
<sceneGraphNode>
<transformation>
<translation offset="0.0 0.0 -1.0"/>
<rotationX angle="90"/>
</transformation>
<triangleMesh ref="plane"/>
<material ref="backWallMaterial"/>
</sceneGraphNode>
<!-----------RIGHT WALL---------------->
<sceneGraphNode>
<transformation>
<translation offset="-1.0 0.0 0.0"/>
<rotationZ angle="-90"/>
</transformation>
<triangleMesh ref="plane"/>
<material ref="rightWallMaterial"/>
</sceneGraphNode>
<!-----------LEFT WALL--------------->
<sceneGraphNode>
<transformation>
<translation offset="1.0 0.0 0.0"/>
<rotationZ angle="90"/>
</transformation>
<triangleMesh ref="plane"/>
<material ref="leftWallMaterial"/>
</sceneGraphNode>
</sceneGraphNode>
<!----------------------------Scene----------------------->
<camera eye="0.0 0.0 0.0" up="0.0 -1.0 0.0" view="0.0 0.0 -1.0" fov="30.0" width="256" height="256" auto="true"/>
<light type="point" position="0.0 -0.99995 0.0" power="100.0 100.0 100.0"/>
<!-------------------------Rendering---------------------->
<intersector type="bvh"/>
<renderer type="pathtracing" samplesPerPixel="16" directOnly="false"/>
</scene>
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