t=0,draw=a=>{for(t||(createCanvas(W=720,W),noFill(H=W/2)),background(0),translate(H,H),y=0;y<1;y+=.01)stroke(255,128*y*y,255*y,192),y1=y*H+H*(sin((y+t)*TAU)-.5),y2=y*H+H*(cos((y+t)*TAU)-.5),line(-H,y1,H,y2);t+=.001};// #つぶやきProcessing #Processing