2013-04-10 21:29:02 -07:00
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'R k ambient' =. 10 2 0.4
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light =. (% +/&.:*:) 30 30 _50
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pts =. (0&*^:(0={:))@:(,,(0>.(*:R)-+)&.*:)"0/~ i:15j200
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luminosity =. (>:ambient) %~ (ambient * * +/&.:*:"1 pts) + k^~ 0>. R%~ pts +/@:*"1 -light
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load 'viewmat'
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2015-11-18 06:14:39 +00:00
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torgb =. 256 #. [: <. 255 255 255 *"1 0 ]
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'rgb' viewmat torgb luminosity
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