07、控制变量

创建日期：2024-07-08
更新日期：2025-01-12
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>07_控制变量</title>
    <link href="../css/index.css" rel="stylesheet" />
    <script src="../libs/three.js"></script>
    <script src="../libs/dat.gui.min.js"></script>
</head>
<body>
    <script>
        var scene = new THREE.Scene();

        var renderer = new THREE.WebGLRenderer();
        renderer.setClearColor(0x000000, 1.0);
        renderer.setSize(window.innerWidth, window.innerHeight);
        document.body.appendChild(renderer.domElement);

        var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 10000);
        camera.position.set(20, 20, 20);
        camera.lookAt(scene.position);

        var geometry = new THREE.BoxGeometry(10 * Math.random(), 10 * Math.random(), 10 * Math.random());
        var material = new THREE.MeshNormalMaterial();
        var box = new THREE.Mesh(geometry, material);
        box.name = 'Box';
        scene.add(box);

        // 控制变量
        var control = new function () {
            this.rotationSpeed = 0.005;
            this.scale = 1.0;
        };
        var gui = new dat.GUI();
        gui.add(control, 'rotationSpeed', -0.1, 0.1);
        gui.add(control, 'scale', 0.02, 2.0);

        var render = function () {
            requestAnimationFrame(render);
            box.rotation.x += control.rotationSpeed;
            box.rotation.y += control.rotationSpeed;
            box.rotation.z += control.rotationSpeed;
            box.scale.x = control.scale;
            box.scale.y = control.scale;
            box.scale.z = control.scale;
            renderer.render(scene, camera);
        }
        render();
    </script>
</body>
</html>
简介

一个来自三线小城市的程序员开发经验总结。
07、控制变量

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