#include "svg.h"

void dia(int i, double ka, double kb){
    if(i<=0) return;
    
    quadrilateral(WIDTH/2.0,    HEIGHT/2.0+ka,
                  WIDTH/2.0+kb, HEIGHT/2.0,
                  WIDTH/2.0,    HEIGHT/2.0-ka,
                  WIDTH/2.0-kb, HEIGHT/2.0);
    
    dia(i-1, ka+2, kb+17);
}

int main(void){
    start();
    rulers();
    stroke(0x5fa4f7);
    strokeWeight(0.7);
    noFill();
    dia(10, 30, 20);
    
    finish();
    return 0;
}