// Dartmouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 14 | Sketch 1
// Based on Greenberg Appendix A-13

BoxSpring[] springs = new BoxSpring[50];

void setup()
{
  size(400,300);
  smooth();
  noStroke();
  background(0);
  rectMode(CENTER);
  
  // Evenly space the springs across the window,
  // with a bit of margin (25 on each side)
  float boxW = (width-50.0)/springs.length, boxH=50;
  float x0 = 25 + boxW/2.0;
  for (int i=0; i<springs.length; i++)
    springs[i] = new BoxSpring(boxW*i+x0,height/2, boxW,boxH); 
}

void draw()
{
  background(0);
  // Our usual convention: draw and update each object
  for (int i=0; i<springs.length; i++) springs[i].draw();
  for (int i=0; i<springs.length; i++) springs[i].update();
}