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A comment on Notch is coding live again. Parent comment

Re:Notch is coding live again by ianl on Sunday August 21, 2011 @11:12AM (#2909337)
Its how he loads level data from image file using RGB values
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Re:Notch is coding live again by shabble on Sunday August 21, 2011 @12:38PM (#2909520)
I noticed a snippet fairly recently (last hour or so) using alpha values as an ID for switches and the things they're connected to (doors, etc).

So technically, it's RGBA values :)

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