02、画线

创建日期:2024-07-08
更新日期:2024-07-08
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>02.画线</title>
    <link href="css/common.css" rel="stylesheet" />
    <script src="js/three.js"></script>
</head>
<body>
    <script>
        var renderer = new THREE.WebGLRenderer();
        renderer.setSize(window.innerWidth, window.innerHeight);
        document.body.appendChild(renderer.domElement);

        var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 500);
        camera.position.set(0, 0, 100);
        camera.lookAt(new THREE.Vector3(0, 0, 0));

        var scene = new THREE.Scene();

        //create a blue LineBasicMaterial
        var material = new THREE.LineBasicMaterial({ color: 0x0000ff });
        var geometry = new THREE.Geometry();
        geometry.vertices.push(new THREE.Vector3(-10, 0, 0));
        geometry.vertices.push(new THREE.Vector3(0, 10, 0));
        geometry.vertices.push(new THREE.Vector3(10, 0, 0));

        var line = new THREE.Line(geometry, material);

        scene.add(line);
        renderer.render(scene, camera);
    </script>
</body>
</html>