int squareSize = 40;

void setup() {
  size(400, 400);
  background(255);
  strokeWeight(3);
  myDrawing();
}

void myDrawing() {
  int centerX = 100;
  int centerY = 180;

  println("I am here");
  fill(200, 100, 100);
  drawRect(centerX, centerY);

  centerX = 250;
  centerY = 300;
  fill(100, 200, 100);
  drawRect(centerX, centerY);

  centerX = 320;
  centerY = 60;

  fill(100, 100, 200);
  drawRect(centerX, centerY);
  
  drawRect(240,60);
  drawRect(random(width),random(height));

}

void drawRect(float localX, float localY) {
  rect(localX-squareSize/2.0, localY-squareSize/2.0, 
       squareSize, squareSize);
  println("localX " +  localX + " lY " + localY);
  point(localX, localY); 
}