function draw_roulette(nb_person, x, y, r){
	let chart = document.getElementById("roulette").querySelector('g');
	let starting_coo= new Array(x, y + r);
	let center = new Array(x + r, y + r);
	let angle = 0;
	for (let i=0; i < nb_person; i++){
		let coo_arr = new Array(center[0] - r * Math.cos(2 * Math.PI / nb_person * (i+1)), center[1] - r * Math.sin(2 * Math.PI / nb_person * (i+1)));
		let new_path = document.createElement("path");
		new_path.setAttribute('fill', 'green');
		new_path.setAttribute('d', "M " + starting_coo[0] + " " + starting_coo[1] + " A " + r + " " + r " 0 0 1 " + coo_arr[0] + " " + coo_arr[1] + " L " + center[0] + " " + center[1] + " Z");
		chart.appendChild(new_path);
		chart.innerHTML += ' ';
		console.log(new_path.getAttribute('d'));

		starting_coo = coo_arr
	}
};