// Dartmouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 14 | Sketch 3
// Using same Spring from Sketch 2
// Based on R&F 50-17

Spring[] springs = new Spring[30];

void setup()
{
  size(200,600);
  smooth();
  background(0);
  strokeWeight(3);

  // Construct springs at center horizontally, equally spaced vertically
  for (int i=0; i<springs.length; i++)
    springs[i] = new Spring(width/2, i*height/springs.length);
}

void draw()
{
  background(0);
  
  for (int i=0; i<springs.length; i++)
    springs[i].draw();
  
  // Recenter first spring at the mouse
  springs[0].update(mouseX,mouseY);
  // Recenter each following spring at preceding spring
  for (int i=1; i<springs.length; i++)
    springs[i].update(springs[i-1].x, springs[i-1].y);
}