实现代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>My first three.js app</title>
<style>
body { margin: 0; }
#info {
position: absolute;
top: 100px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
color: #fff;
}
</style>
</head>
<body>
<div id="info">Description</div>
<script src="./index_script/index_script_three.js"></script>
<script>
const renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
const camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 500 );
camera.position.set( 0, 0, 100 );
camera.lookAt( 0, 0, 0 );
const scene = new THREE.Scene();
//create a blue LineBasicMaterial
const material = new THREE.LineBasicMaterial( { color: 0xe4e4e4 } );
const points = [];
points.push( new THREE.Vector3( - 10, 0, 0 ) );
points.push( new THREE.Vector3( 0, 10, 0 ) );
points.push( new THREE.Vector3( 10, 0, 0 ) );
const geometry = new THREE.BufferGeometry().setFromPoints( points );
const line = new THREE.Line( geometry, material );
scene.add( line );
function animate() {
requestAnimationFrame( animate );
renderer.render( scene, camera );
};
animate();
</script>
</body>
</html>
实现效果
