Function Example - OpenProcessing

mySketch
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//using a function to draw a face
void setup() {
  size(800, 400);
}
void draw() {
  background(#57796A);
  
  drawFace(width/2, 200);
  
  //for (int i = 100; i< width - 100; i+=20) {
  //  drawFace( i, 150);
  //}
}
void drawFace(float x, float y) {
  fill(#E3CF32);
  ellipse(x, y, 190, 190);
  drawEyes(x, y);
  drawMouth(x, y);
}
void drawEyes(float x, float y) {
  fill(0);
  ellipse(x-50, y-30, 25, 25);
  ellipse(x+50, y-30, 25, 25);
}
void drawMouth(float x, float y) {
  noFill();
  arc(x, y, 130, 100, PI/7, PI-PI/7);
}