Week 3.2. exercise

w3_2_functions/sorting.js

@@ -0,0 +1,55 @@
+// Main
+const N = 10;
+let strips = [];
+
+function setup() {
+  createCanvas(400, 300);
+  strips = createStrips(N);
+
+  // TODO sort the strips by luminance
+}
+
+function draw() {
+  background(0);
+  noStroke();
+  const h = height / strips.length;
+
+  // TODO draw the strips
+}
+
+// HELPERS
+
+/**
+ *
+ * @typedef {{red:number, green:number, blue:number}}  Color
+ */
+
+/**
+ * createRndColorStrip
+ * @returns Color
+ */
+function createRndColorStrip() {
+  return {
+    red: Math.floor(Math.random() * 255),
+    green: Math.floor(Math.random() * 255),
+    blue: Math.floor(Math.random() * 255),
+  };
+}
+
+/**
+ * getLuminance -- get luminance given an array of Color
+ * @param {Color} strip
+ * @returns number
+ */
+function getLuminance(strip) {
+  // TODO
+}
+
+/**
+ * createStrips -- create an array of random colors
+ * @param {number} n
+ * @returns Color[]
+ */
+function createStrips(n) {
+  // TODO
+}