Cleaning examples for Beta launch

java/examples/Basics/Arrays/Array/Array.pde

@@ -25,19 +25,25 @@ void setup() {
 
 void draw() {
 
+  int y1 = 0;
+  int y2 = height/3;
   for (int i = 0; i < width; i++) {
     stroke(coswave[i]*255);
-    line(i, 0, i, height/3);
+    line(i, y1, i, y2);
   }
 
+  y1 = y2;
+  y2 = y1 + y1;
   for (int i = 0; i < width; i++) {
     stroke(coswave[i]*255 / 4);
-    line(i, height/3, i, height/3*2);
+    line(i, y1, i, y2);
   }
-
+  
+  y1 = y2;
+  y2 = height;
   for (int i = 0; i < width; i++) {
     stroke(255 - coswave[i]*255);
-    line(i, height/3*2, i, height);
+    line(i, y1, i, y2);
   }
   
 }

java/examples/Basics/Arrays/Array2D/Array2D.pde

@@ -27,6 +27,10 @@ void setup() {
 
 void draw() {
   background(0);
+  // This embedded loop skips over values in the arrays based on
+  // the spacer variable, so there are more values in the array
+  // than are drawn here. Change the value of the spacer variable
+  // to change the density of the points
   for (int y = 0; y < height; y += spacer) {
     for (int x = 0; x < width; x += spacer) {
       stroke(distances[x][y]);

java/examples/Basics/Arrays/ArrayObjects/ArrayObjects.pde

@@ -2,8 +2,6 @@
  * Array Objects. 
  * 
  * Demonstrates the syntax for creating an array of custom objects. 
- * 
- * Updated 26 February 2010.
  */
 
 int unit = 40;
@@ -12,7 +10,6 @@ Module[] mods;
 
 void setup() {
   size(640, 360);
-  background(176);
   noStroke();
   int wideCount = width / unit;
   int highCount = height / unit;