/*Simulation project for Golan Levin's I.A.C.D 2012
copywrite 2012 Zack Jacobson-Weaver...Uses ToxicLibs
extensively!  Toxiclibs.org
 
 Reset the whole show
 Increase the "heat" of the environment: excess of 
    15,000 deg F threatens catastrophic failure!
*/
 
import toxi.physics2d.constraints.*;
import toxi.physics2d.behaviors.*;
import toxi.physics2d.*;
 
import toxi.geom.*;
 
List  springs;
 
VisibleRectConstraint [] rects = new VisibleRectConstraint[20] ;
 
PFont font;
 
// number of particles for string
float STRING_RES = 80;
// number particles for ball
int BALL_RES=24;
// ball size
int BALL_RADIUS=60;
 
// squared snap distance for mouse selection
float SNAP_DIST = 20 * 20;
 
VerletPhysics2D physics;
VerletParticle2D selectedParticle;
 
float stn,rl;
int temp;
 
void setup() {
  size(680,480);
  springs = new ArrayList ();
  temp = 0;
  initPhysics();
 
}
 
void draw() {
  // 1st update
  physics.update();
  // then drawing
  background(255);
  // draw all springs
  for (int i=0; i 0) {
      VerletParticle2D q=physics.particles.get(i-1);
      VerletSpring2D s=new VerletSpring2D(p,q,delta*0.8,0.8);
      physics.addSpring(s);
      springs.add(s);
 
    }
  }
  // lock 1st & last particles
  physics.particles.get(0).lock();
  physics.particles.get(physics.particles.size()-1).lock();
 
for (int i =0; i < rects.length; i++){
  Rect R = new Rect(i*width/rects.length,random(height/4, height), width/rects.length,width/rects.length/2);
  VisibleRectConstraint r = new VisibleRectConstraint(R);
  VerletPhysics2D.addConstraintToAll(r,physics.particles);
  rects[i] = r;
  }
}

class VisibleRectConstraint extends RectConstraint {
 
  public VisibleRectConstraint(Rect r) {
    super(r);
  }
 
  public void draw() {
 
    stroke(184);
    strokeWeight(2);
    noFill();
    rect(rect.x, rect.y, rect.width, rect.height);
  }
}