Merge pull request #5313 from JetStarBlues/improveNoLightsExample

Improve clarity of `noLights()` example

Author: stalgiag

src/webgl/light.js

@@ -861,25 +861,30 @@ p5.prototype.spotLight = function(
  *   createCanvas(100, 100, WEBGL);
  * }
  * function draw() {
- *   background(0);
+ *   background(200);
  *   noStroke();
  *
- *   ambientLight(150, 0, 0);
- *   translate(-25, 0, 0);
- *   ambientMaterial(250);
- *   sphere(20);
+ *   ambientLight(255, 0, 0);
+ *   translate(-30, 0, 0);
+ *   ambientMaterial(255);
+ *   sphere(13);
  *
  *   noLights();
- *   ambientLight(0, 150, 0);
- *   translate(50, 0, 0);
- *   ambientMaterial(250);
- *   sphere(20);
+ *   translate(30, 0, 0);
+ *   ambientMaterial(255);
+ *   sphere(13);
+ *
+ *   ambientLight(0, 255, 0);
+ *   translate(30, 0, 0);
+ *   ambientMaterial(255);
+ *   sphere(13);
  * }
  * </code>
  * </div>
  *
  * @alt
- * Two spheres showing different colors
+ * Three white spheres. Each appears as a different
+ * color due to lighting.
  */
 p5.prototype.noLights = function() {
   this._assert3d('noLights');