Updates to the new Map example and add it to the main list

REAS · REAS · commit 080be4f7d117 · 2015-09-16T15:08:17.000-07:00
diff --git a/content/examples/Basics/Math/Map/Map.pde b/content/examples/Basics/Math/Map/Map.pde
@@ -1,6 +1,6 @@
 /**
  * Map.
- *
+ * 
  * Use the map() function to take any number and scale it to a new number 
  * that is more useful for the project that you are working on. For example, use the
  * numbers from the mouse position to control the size or color of a shape. 
@@ -15,10 +15,9 @@ void setup() {
 
 void draw() {
   background(0);
-  // mouseX has a min of 0 and a max of 640 (the width of the window)
-  // here we are scaling that variable from 0 to 640 to a number between 0 and 255
+  // Scale the mouseX value from 0 to 640 to a range between 0 and 175
   float c = map(mouseX, 0, width, 0, 175);
-  // here we are scaling that same variable to a range between 40 and 440
+  // Scale the mouseX value from 0 to 640 to a range between 40 and 300
   float d = map(mouseX, 0, width, 40, 300);
   fill(255, c, 0);
   ellipse(width/2, height/2, d, d);   
