degoldschmidt_generative-art/01-random_walk/a_simple_random_walk_empty/a_simple_random_walk_empty.pde
// simple random walk
// author: dennis goldschmidt
// date: 11 Aug 2017
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// Simple random walk in 4 directions
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// 1) Define your canvas
// 2) Define your update rules (random)
// 3) Which variables do you need
// 4) How to draw the walk trajectory?