//Dave Bunnell
//In this version the bubbles are drawn with randomly varying colors and alpha. While the mousebutton 
//is pressed, the bubbles clear but when released they leave trails.

BubbleX [] bubbles= new BubbleX [10];

void setup() {
  size(1200,1000);
  frameRate(5);
  smooth();
  background(255);
  //initialize each of the bubbles with xpos, ypos, and speed
  for (int i=0; i<bubbles.length; i++) {
  bubbles[i]=new BubbleX(width/10*i,1600,50);
  }//end of for loop
   
      
}//end of setup

void draw() {
  if (mousePressed)
  background(255);
  for (int i=0; i<bubbles.length; i++) {
 bubbles[i].move();
 bubbles[i].display();
 }//end of for loop
 }//end of draw