threejs-minecraft-22

// js/index.js
const animateBtn = document.getElementById( 'animate' );

animateBtn.addEventListener( 'click', function() {
    creeper.toggleAnimate();
});

// css/index.css
button#animate {
    z-index: 10;
    position: absolute;
}

<!-- index.html -->
<body>
    <button type="button" id="animate">Animate</button>
    <!-- ... -->
</body>

<!-- ... -->