let k,a=200;
let oldx=0;
let oldy=0;
function setup(){
cnv=createCanvas(windowWidth,windowHeight);
k=random(-20,20);
print(k);
fill(0);
angleMode(DEGREES);
background(240)
}
function draw(){
translate(width/2,height/2);
stroke(0);
t=frameCount;
p=random(-1,1);
if (p>0){
p=5;
}
if (p<0){
p=-5;
}
q=random(-1,1);
if (q>0){
q=5;
}
if (q<0){
q=-5;
}
x=oldx+p*cos(p+oldx*t)*cos(t+oldy);
y=oldy+q*cos(q+oldy*t)*sin(t+oldx);
if (x>width/2){
oldx=oldx-width;
x=x-width
}
if (x<-width/2){
oldx=oldx+width;
x=x+width
}
if (y>width/2){
oldy=oldy-width;
y=y-width
}
if (y<-width/2){
oldy=oldy+width;
y=y+width
}
line(oldy,oldx,y,x);
oldx=x;
oldy=y;
}