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78_Sine_Wave/javascript/sinewave.mjs

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+#!/usr/bin/env node
+
+import { println, tab } from '../../00_Common/javascript/common.mjs';
+
+println(tab(30), "SINE WAVE");
+println(tab(15), "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY");
+println("\n".repeat(4));
+
+// REMARKABLE PROGRAM BY DAVID AHL
+// Transliterated to Javascript by Les Orchard <me@lmorchard.com>
+
+let toggleWord = true;
+
+for (let step = 0; step < 40; step += 0.25) {
+  let indent = Math.floor(26 + 25 * Math.sin(step));
+  println(tab(indent), toggleWord ? "CREATIVE" : "COMPUTING");
+  toggleWord = !toggleWord;
+}