/**
 * Circles
 *
 * Math for artists who now need to program
 * ITP DriveBy, 10/2/2008
 * Elie Zananiri - ez@silentlycrashing.net
 */

//----------------------------
// variables
int centerX;
int centerY;
int radius = 50;

//----------------------------
void setup() {
  // set up the applet
  size(300, 300);
  smooth();
  frameRate(30);
  noCursor();
  stroke(0); 
}

//----------------------------
void draw() {
  background(255);
  
  // draw a circle manually
  fill(#176C21);
  centerX = width/4;
  centerY = height/2;
  beginShape();
  for (int i=0; i < 360; i += 1) {
    float offsetX = radius * cos(radians(i));
    float offsetY = radius * sin(radians(i));
    vertex(centerX + offsetX, centerY + offsetY);
  }
  endShape();
  
  // draw a circle using the built-in function
  fill(#1E2995);
  centerX = width*3/4;
  centerY = height/2;
  ellipse(centerX, centerY, radius*2, radius*2);
}