tattoo.pde

float a , b , c , t , x , y , z ;
 
void setup() {
    size(800,800) ;
    smooth();
    frameRate(300) ;
    noFill() ;
    fill(0) ;
    background(0) ;
    
    a = random(0.0,15.0) ;
    b = random(0,30.0) ;
    c = random(0,10) / random(0,5.0) ;
    t = 0.005 ;
    x = .1 ;
    y = 0 ;
    z = 0 ;
}
 
void draw() {
    float ox, oy, oz , dx , dy , dz , nx , ny , nz;
    ox = x;
    oy = y;
    oz = z;

    
 
    dx = a*(y - x);
    dy = b*x - y - x*z;
    dz = x*y - c*z;
    t = noise(dx,dy,dz)/10 ;
    x += t*dx;
    y += t*dy;
    z += t*dz;
     
     
    float tx1 = map(x, -30, 30, 0, width);
    float ty1 = map(z, 0, 60, height, 0);
    float tx2 = map(ox, -30, 30, 0, width);
    float ty2 = map(oz, 0, 60, height, 0);
 
    stroke(255);
    line(tx1, ty1, tx2, ty2);
}

void keyReleased()
{
 if (key==' ') setup();
}