Roulette de décision

1,500 0 sergioarmijo30 Suivre

Remixer Ouvrir dans l'éditeur Plein écran Discuter Publiez votre code

Recommandé

23 October 2026

Jeu de tir Brotato Arena en HTML5 Canvas et CSS

21 July 2025

Formulaire de connexion HTML avec arrière-plan géométrique

18 August 2024

Animation de titre interactive

HTML

CSS

const canvas = document.getElementById('wheel');
const ctx = canvas.getContext('2d');
const spinBtn = document.getElementById('spin');
const generateBtn = document.getElementById('generate');
const numSegmentsInput = document.getElementById('numSegments');
const result = document.getElementById('result');

let segments = [];
let colors = [];
let startAngle = 0;
let arc = 0;
let spinAngle = 0;
let spinning = false;

function drawWheel() {
  const numSegments = segments.length;
  arc = (2 * Math.PI) / numSegments;

ctx.clearRect(0, 0, canvas.width, canvas.height);

for (let i = 0; i < numSegments; i++) {
    const angle = startAngle + i * arc;
    ctx.beginPath();
    ctx.moveTo(250, 250);
    ctx.arc(250, 250, 250, angle, angle + arc);
    ctx.fillStyle = colors[i];
    ctx.fill();
    ctx.save();

ctx.translate(250, 250);
    ctx.rotate(angle + arc / 2);
    ctx.textAlign = "right";
    ctx.fillStyle = "#000";
    ctx.font = "bold 20px Arial";
    ctx.fillText(segments[i], 230, 10);
    ctx.restore();
  }
}

function spinWheel() {
  if (spinning) return;
  spinning = true;
  result.textContent = '';

const spins = Math.floor(Math.random() * 5 + 5); // vueltas enteras
  const finalAngle = Math.random() * 2 * Math.PI;  // ángulo extra
  const totalRotation = spins * 2 * Math.PI + finalAngle;

const duration = 4000; // duración en ms
  const start = performance.now();

function animate(time) {
    const elapsed = time - start;
    const progress = Math.min(elapsed / duration, 1);
    // Ease-out con función cúbica
    const easedProgress = 1 - Math.pow(1 - progress, 3);
    startAngle = totalRotation * easedProgress;

drawWheel();

if (progress < 1) {
      requestAnimationFrame(animate);
    } else {
      spinning = false;
      const degrees = (startAngle * 180) / Math.PI + 90;
      const arcd = (arc * 180) / Math.PI;
      const index = Math.floor((360 - (degrees % 360)) / arcd) % segments.length;
      result.textContent = `¡Ganaste: ${segments[index]}!`;
    }
  }

requestAnimationFrame(animate);
}

generateBtn.addEventListener('click', generateWheel);
spinBtn.addEventListener('click', spinWheel);

generateWheel();

Comments 0

…