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June 23, 2017 17:56
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recursion test case
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| instrs = 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| |
| test = create_path(instrs, len(instrs)); | |
| function create_path(instrs, leninstrs, angle=90, i=0, pos=[0,0], heading=90, prepend=[]) = | |
| (i >= leninstrs) ? | |
| concat([pos], prepend) : | |
| create_path(instrs, leninstrs, angle, i+1, | |
| ((instrs[i] == "F") ? pos+[cos(heading), sin(heading)] : pos), | |
| ((instrs[i] == "-") ? heading + 90 : (instrs[i] == "+") ? heading - 90 : heading), | |
| concat(((instrs[i] == "F") ? [pos] : []), prepend)); |
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