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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Babylon.js Game Example</title>
<script src="https://cdn.babylonjs.com/babylon.js"></script>
<script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
<style>
canvas {
width: 100%;
height: 100%;
touch-action: none;
}
</style>
</head>
<body>
<canvas id="renderCanvas"></canvas>
<script>
window.addEventListener('DOMContentLoaded', function () {
var canvas = document.getElementById('renderCanvas');
var engine = new BABYLON.Engine(canvas, true);
var createScene = function () {
var scene = new BABYLON.Scene(engine);
// Create a camera
var camera = new BABYLON.ArcRotateCamera("Camera", 0, 0, 10, BABYLON.Vector3.Zero(), scene);
// Create a light
var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene);
// Create an array to hold the spheres
var spheres = [];
// Create a fountain of spheres that follow the mouse
canvas.addEventListener('mousemove', function (event) {
// Create a new sphere
var sphere = BABYLON.MeshBuilder.CreateSphere("sphere", {diameter: Math.random() * 2 + 0.5}, scene);
sphere.position = new BABYLON.Vector3(Math.random() * 4 - 2, Math.random() * 4 - 2, Math.random() * 4 - 2);
spheres.push(sphere);
// Follow the mouse with the spheres
var ray = scene.createPickingRay(event.clientX, event.clientY, BABYLON.Matrix.Identity(), camera);
var pickInfo = scene.pickWithRay(ray, function (mesh) { return mesh == sphere; });
if (pickInfo.hit) {
sphere.position.copyFrom(pickInfo.pickedPoint);
}
// Animate the spheres
var animation = new BABYLON.Animation("myAnimation", "position.y", 30, BABYLON.Animation.ANIMATIONTYPE_FLOAT, BABYLON.Animation.ANIMATIONLOOPMODE_CYCLE);
var keys = [];
keys.push({frame: 0, value: sphere.position.y});
keys.push({frame: 50, value: sphere.position.y + 2});
keys.push({frame: 100, value: sphere.position.y});
animation.setKeys(keys);
sphere.animations.push(animation);
scene.beginAnimation(sphere, 0, 100, true);
});
return scene;
}
var scene = createScene();
engine.runRenderLoop(function () {
scene.render();
});
window.addEventListener('resize', function () {
engine.resize();
});
});
</script>
</body>
</html>
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