WEBLEB
Inicio
Editora de código
Iniciar sesión
Pro
Español
English
Français
Español
Ruleta de decisiones
1078
sergioarmijo30
Abrir en el editor
Publica tu código
2
Recomendado
4 September 2025
Fragmento HTML de animación de puerta de habitación CSS
24 July 2024
Plantilla de sitio web de aplicaciones
12 August 2025
Fragmento de código de animación de corazón CSS
HTML
Copy
Ruleta de Decisiones
Ruleta de Decisiones
Número de opciones:
Generar Ruleta
Girar
CSS
Copy
body { font-family: Arial, sans-serif; text-align: center; background: #222; color: #fff; } label, input, button { margin: 10px; font-size: 18px; } .wheel-container { position: relative; margin: 40px auto; width: 500px; height: 500px; } .pointer { position: absolute; top: 0; left: 50%; width: 0; height: 0; border-left: 20px solid transparent; border-right: 20px solid transparent; border-bottom: 40px solid red; transform: translateX(-50%); z-index: 2; } canvas { border-radius: 50%; background: #fff; }
JS
Copy
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 randomColor() { const r = Math.floor(Math.random() * 200 + 30); const g = Math.floor(Math.random() * 200 + 30); const b = Math.floor(Math.random() * 200 + 30); return `rgb(${r}, ${g}, ${b})`; } 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 generateWheel() { const numSegments = parseInt(numSegmentsInput.value); segments = []; colors = []; for (let i = 1; i <= numSegments; i++) { segments.push(`Opción ${i}`); colors.push(randomColor()); } drawWheel(); } 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();