import traer.physics.*;

ParticleSystem physics;
ParticleSystem physics2;

Vector particles;
Vector particles2;
Particle last;
Particle last2;
float angle=0;

void sprayOne(int i)
{
  float angle = random( -PI, PI );
  float x = cos(angle);
  float y = sin(angle*i);
  float v = 5;
  float f = radians(float(i));
  float fx,fy,fz;
  
  fx=sin(f)*100.0f;
  fy=cos(f)*100.0f;
  fz=sin(f)*20.0f;
  Particle p = physics.makeParticle(1, fx,fy, fz );
  p.setVelocity( x*v,v*y,x*v );
  particles.add( p );
  if ( last != null )
    physics.makeSpring( p, last, 0.01, 0.001, 0 );
  last = p;
  
  p = physics2.makeParticle(1, fx,fy, fz );
  p.setVelocity( x*v,v*y,x*v );
  particles2.add( p );
  if ( last2 != null )
    physics2.makeSpring( p, last2, 0.01, 0.001, 0 );
  last2 = p;
  
}


void setup()
{
  colorMode(RGB, 100);
  size( 800, 500 );
  smooth();
//  framerate( 100 );
  noFill();
  strokeWeight( .1 );
  background(94,92,91);
//  noLoop();
  

  physics2 = new ParticleSystem( 0.01,0.005 );
  physics = new ParticleSystem( 0.0, 0.00001 );
  particles = new Vector();
  particles2 = new Vector();

  physics.clear();
  physics2.clear();
  particles.clear();
  particles2.clear();
//  stroke(0,100);
  last = null;
  for ( int i = 0; i <= 360; i++ )
    sprayOne(i);    
}






void draw()
{
  
  physics.advanceTime( 0.5 );
  physics2.advanceTime( 0.5 );

    stroke( 40,0,0,60);
    beginShape(LINE_STRIP);
    for ( int i = 0; i < particles.size(); ++i )
    {
      Particle p = (Particle)particles.get( i );
      curveVertex( 350+p.position().x(), 250+p.position().y() );
       last = p;      
    }
    endShape();
      stroke( 94,92,91,60);
    beginShape(LINE_LOOP);
    for ( int i = 0; i < particles2.size(); ++i )
    {
      Particle p = (Particle)particles2.get( i );
      curveVertex( 350+p.position().x(), 250+p.position().y() );
       last = p;      
    }
    endShape();    
}