/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://accdf12.sketchpad.cc/sp/pad/view/ro.Qq5r-OUS1W9/rev.15
 * 
 * authors: 
 *   Eugeni Lee
 *   Michael Kontopoulos

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



//Creating a class and using it in setup/draw. The BASICS.
 
//Declare a Smiley object
Smiley guy;
void setup(){
  size(300,300);
  smooth();
  //Initialize Smiley Object (by calling the constructor)
  guy = new Smiley(); 
}
void draw(){
  background(0);
   
  //Call methods on the object.
  guy.display();
   
  println(guy.xpos + ", " + guy.ypos); //Cool! You can access class fields with the "dot operator"
}
 
 
class Smiley{
   //Class "Fields" (variables)
   float xpos, ypos;
    
   //Constructor
   Smiley(){
      xpos = width/2;
      ypos = height/2;
   }
    
   //Class "Methods" (functions)
   void display(){
       pushMatrix();
        
       translate(xpos, ypos);
        
       ellipse(0,0, 100,100);
       ellipse(-10,-10, 5,5);
       ellipse(10, -10, 5,5);
       arc(0,0, 75,75, radians(15), radians(165));
       popMatrix();
   }
}