Raytrace Demo

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Environment: CornellBox-Yellow&Blue CornellBox-Red&Green
Material: Diffuse Mirror Glossy  factor: 0 < < 1

Load preset scene:
Sphere Column   Sphere Pyramid   Sphere and Cube
Cube and Spheres   Table and Chair   Stacks

Load preset scene:  [del or backspace to remove]
Select Light   Add Sphere   Add Cube