function draw_roulette(nb_person, x, y, r, names){ console.log(names); let chart = document.getElementById("roulette").querySelector('g'); let starting_coo = new Array(x, y + r); let text_coo = new Array(starting_coo[0] + (r/2), starting_coo[1]); 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"); let text = document.createElement("text"); text.innerText = names[i]; text.setAttribute("x", text_coo[0]); text.setAttribute("y", text_coo[1]); text.setAttribute("textLength", r/2); text.setAttribute('text-anchor', 'middle'); text.setAttribute("font-size", r/5) text.setAttribute("stroke-width", "1"); text.setAttribute("transform", "rotate("+(360)/nb_person*(i+0.5)+", "+center[0]+", "+center[1]+")"); chart.appendChild(new_path); chart.appendChild(text); chart.innerHTML += ' '; console.log(new_path.getAttribute('d')); starting_coo = coo_arr } }; function rotate(nb_person){ let angle = Math.floor(Math.random()*15)*360 + (Math.random()*nb_person)*360/nb_person; return new Promise((resolve, reject) => { let i = 0; let interval = setInterval(() => { if (i >= angle){ document.getElementById('roulette').style.transform = 'rotate('+angle+'deg)'; clearInterval(interval); resolve() } else { i += 9; console.log(i); document.getElementById('roulette').style.transform = 'rotate('+i+'deg)'; } }, 5); }) };