Fundamentals of Computational Visual Form (Fall 2008)

Code

void setup (){
  size (300,300);
  background (255);
}

void draw (){
  noStroke ();
  int x1 = 50;
  int y1 = 50;
  int w1 = 100;
  int h1 = 100;
  int x2 = 150;
  int y2 = 150;
  int w2 = 100;
  int h2 = 100;
  boolean insideBox1 = (mouseX >=x1 && mouseX<=x1+w1 && mouseY>=y1 && mouseY<=y1+h1);
  boolean insideBox2 = (mouseX >=x2 && mouseX<=x2+w2 && mouseY>=y2 && mouseY<=y2+h2);
  if (insideBox1) {
    fill (255,0,0);
    rect (x1,y1,w1,h1);
  } 
  else {
    fill (0);
    rect (x1,y1,w1,h1);
  }
  if (insideBox2) {
    fill (255,0,0);
    rect (x2,y2,w2,h2);
  } 
  else {
    fill (0);
    rect (x2,y2,w2,h2);
  }
}