Vonal: Variation on a theme by Victor Vasarely
int NUM=24,k;
float t, h;
void setup(){
size(600,600); colorMode(HSB,360,100,100);
t=-1; int i; k=0; noStroke(); h=240;
}
void draw(){
float x1,x2,y1,y2;
int i=0;color swap; h=(h+0.03)%360;
background(h,60,((i+k)%2)*(100));
t+=0.01;
for(i=1;i<=NUM;i++){
fill(h,60,((i+k)%2)*(80+20*cos(2*PI*i/(NUM*1.0))));
x1=width/(NUM*1.0)/2*(t+i); x2=width-x1;
y1=width/2/log(NUM+1)*(log(NUM+1)-log(NUM+1-(t+i)));
y2=width-width/2/log(NUM+1)*log(1+t+i);
rect(x1,y1,x2-x1,y2-y1);
}
if(t>0){t--; k++;}
}
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