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function draw_roulette(nb_person, x, y){
let chart = document.getElementById("roulette")
let angle = 0;
for (let i=0; i < 1; i++){
let coo_arr = new Array(250 - 50 * Math.cos(2 * Math.PI / nb_person), 200 - 50 * Math.sin(2 * Math.PI / nb_person));
let new_path = document.createElement("path");
new_path.setAttribute('fill', 'green');
new_path.setAttribute('d', "M 200 200 A 50 50 0 0 1 " + coo_arr[0] + " " + coo_arr[1] + " L 250 200 Z");
chart.appendChild(new_path);
chart.innerHTML += ' ';
console.log(new_path.getAttribute('d'));
}
};