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import * as THREE from './build/three.module.js';
import Stats from './build/stats.js';
import { STLLoader } from './build/stl.js';
let container, stats;
let camera, cameraTarget, scene, renderer;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 1, 30 );
camera.position.set( 0, 0.85, 0 );
cameraTarget = new THREE.Vector3( 0, - 0.25, 0 );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x72645b );
scene.fog = new THREE.Fog( 0x72645b, 2, 15 );
const plane = new THREE.Mesh(
new THREE.PlaneGeometry( 40, 40 ),
new THREE.MeshPhongMaterial( { color: 0x999999, specular: 0x101010 } )
);
plane.rotation.x = - Math.PI / 2;
plane.position.y = - 0.5;
scene.add( plane );
plane.receiveShadow = true;
const loader = new STLLoader();
const material = new THREE.MeshPhongMaterial( { color: 0xAAAAAA, specular: 0x111111, shininess: 200 } );
loader.load( './model/bysj.stl', function ( geometry ) {
const mesh = new THREE.Mesh( geometry, material );
mesh.position.set( 0, - 0.18, - 0.1 );
mesh.rotation.set( - Math.PI / 2, 0, 0 );
mesh.scale.set( 0.008, 0.008, 0.008 );
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add( mesh );
} );
scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );
addShadowedLight( 1, 1, 1, 0xffffff, 1.35 );
addShadowedLight( 0.5, 1, - 1, 0xffaa00, 1 );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.outputEncoding = THREE.sRGBEncoding;
renderer.shadowMap.enabled = true;
container.appendChild( renderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
window.addEventListener( 'resize', onWindowResize );
}
function addShadowedLight( x, y, z, color, intensity ) {
const directionalLight = new THREE.DirectionalLight( color, intensity );
directionalLight.position.set( x, y, z );
scene.add( directionalLight );
directionalLight.castShadow = true;
const d = 1;
directionalLight.shadow.camera.left = - d;
directionalLight.shadow.camera.right = d;
directionalLight.shadow.camera.top = d;
directionalLight.shadow.camera.bottom = - d;
directionalLight.shadow.camera.near = 1;
directionalLight.shadow.camera.far = 4;
directionalLight.shadow.bias = - 0.002;
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
const timer = Date.now() * 0.0005;
camera.position.x = Math.cos( timer ) * 3;
camera.position.z = Math.sin( timer ) * 3;
camera.lookAt( cameraTarget );
renderer.render( scene, camera );
}
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