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W,N,t=540,200,0 def setup():size(W,W);noStroke();noiseSeed(15); def draw():global t;clear();[F(i/N*2./N-1,i%N*2./N-1,N/2,W/2)for i in range(N*N)];t+=.1 def F(x,y,s,o):n=1.5*noise(cos(mag(x,y)*4+t)+cos(atan2(x,y)*8));d=.4-mag(x,y,n);circle(x/d*s+o,y/d*s+o,d) #つぶやきProcessingpic.twitter.com/b0LuhDjzob