Simple updates

Author: REAS

Basics/Color/Hue/Hue.pde

@@ -2,8 +2,9 @@
  * Hue. 
  * 
  * Hue is the color reflected from or transmitted through an object 
- * and is typically referred to as the name of the color (red, blue, yellow, etc.) 
- * Move the cursor vertically over each bar to alter its hue. 
+ * and is typically referred to as the name of the color such as 
+ * red, blue, or yellow. In this example, move the cursor vertically 
+ * over each bar to alter its hue. 
  */
 
 int barWidth = 20;

Basics/Image/RequestImage/RequestImage.pde

@@ -4,7 +4,7 @@
  * 
  * Shows how to use the requestImage() function with preloader animation. 
  * The requestImage() function loads images on a separate thread so that 
- * the sketch does not freeze while they load. It's useful when you are
+ * the sketch does not freeze while they load. It's useful when you are 
  * loading large images. These images are small for a quick download, but 
  * try it with your own huge images to get the full effect. 
  */

Basics/Lights/Spot/Spot.pde

@@ -4,8 +4,6 @@
  * Move the mouse the change the position and concentation
  * of a blue spot light. 
  */
- 
-int concentration = 600; // Try values 1 -> 10000
 
 void setup() {
   size(640, 360, P3D);
@@ -24,8 +22,8 @@ void draw() {
   spotLight(204, 153, 0, 360, 160, 600, 0, 0, -1, PI/2, 600); 
 
   // Moving spotlight that follows the mouse
-  spotLight(102, 153, 204, 360, mouseY, 600, 0, 0, -1, PI/2, 600); 
-  
-  translate(width/2, height/2, 0); 
-  sphere(120); 
-}
+  spotLight(102, 153, 204, 360, mouseY, 600, 0, 0, -1, PI/2, 600);
+
+  translate(width/2, height/2, 0);
+  sphere(120);
+}