FrameBegin 1
	Format 400 300 1
	PixelSamples 4 4	
	ShadingInterpolation "smooth"
	Display "Baking AO" "framebuffer" "rgba"  # render image to buffer
	Projection "perspective" "fov" 22
	//Exposure 1.0 2.2
	Translate 0 -0.5 8
	Rotate -40 1 0 0
	Rotate -20 0 1 0 

	WorldBegin	
		ShadingRate 10 # to avoid too many values in occ cache file
		Attribute "visibility" "trace" 1  # make objects visible to eye
		Attribute "trace" "bias" 0.005

		Surface "occsurfwrite" "filename" "scene.ocf" "samples" 1024 
		Attribute "irradiance" "filemode" "w" "handle" "scene.ocf"
		color [ 1 1 1 ]
		
		# White ground plane
		AttributeBegin	
			Polygon "P" [ -5 0 5  5 0 5  5 0 -5  -5 0 -5 ]
		AttributeEnd
	
		# sphere
		AttributeBegin
			Translate -0.7 0.5 0
			Sphere 0.5 -0.5 0.5 360
		AttributeEnd

		# box
		AttributeBegin
			Translate 0.3 0.01 0
			Rotate -30 0 1 0
			Polygon "P" [ 0 0 0  0 0 1  0 1 1  0 1 0 ] # left side
			Polygon "P" [ 1 1 0  1 1 1  1 0 1  1 0 0 ] # right side
			Polygon "P" [ 0 1 0  1 1 0  1 0 0  0 0 0 ] # front side
			Polygon "P" [ 0 0 1  1 0 1  1 1 1  0 1 1 ] # back side
			Polygon "P" [ 0 1 1  1 1 1  1 1 0  0 1 0 ] # top
		AttributeEnd
	WorldEnd
FrameEnd