Added index and js file.

public/sketch.js

@@ -0,0 +1,32 @@
+let angle = 0;
+let w = 24;
+
+function setup() {
+   createCanvas(400, 400, WEBGL);
+}
+
+function draw() {
+   background(175);
+   ortho();
+   directionalLight(255, 255, 255, 0, -1, 0);
+
+   translate(0, 50, -50);
+   rotateX(PI / 8);
+
+   rectMode(CENTER);
+
+   let offset = 0;
+   for (let x = 0; x < width; x += w) {
+      push();
+      let a = angle + offset;
+      let h = map(sin(a), -1, 1, 0, 100);
+      translate(x - width / 2, 0, 0);
+      ambientMaterial(255);
+      box(w, h, w);
+      //rect(x - width / 2 + w / 2, 0, w - 2, h);
+      offset += 0.1;
+      pop();
+   }
+
+   angle += 0.1;
+}