Diff: Display.cpp

Revision:

17:1c52ff51c028

Parent:

16:8d158d39d438

--- a/Display.cpp	Mon May 01 17:04:13 2017 +0000
+++ b/Display.cpp	Tue May 02 14:02:25 2017 +0000
@@ -93,7 +93,7 @@
   for (int _a = 0; _a < 8; ++_a)
         {
     //printf("for loop (a):- %d\n",a);
-    _drawArc(lcd, _a);
+    _drawArc(lcd, _a); //run through _drawArc function drawing octant specific to a value
     lcd.refresh();
     float Brightness = ctrl.pot_value(); //set brightness to petentiometer value
     lcd.setBrightness(0.0);         
@@ -101,7 +101,7 @@
     //printf("Wait used:- %3.2f\n",_w);
     wait(_w); 
     lcd.setBrightness(Brightness); //Variable brightness will change with petentiometer value
-    wait(_w);  
+    wait(_w); //changes after every circle is drawn to make the game more exciting.
          }
  
    }   
@@ -116,6 +116,9 @@
     _x0 = 42; 
     _y0 = 24;
 
+//the algorithm below is a modified version of the midpoint circle algorithm from: 
+//https://en.wikipedia.org/wiki/Midpoint_circle_algorithm    
+    
     while(_x >= _y) { 
     
     switch(_a) {