96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
import * as T from 'three';
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import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';
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export function Scene(inSettings)
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{
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const renderer = new T.WebGLRenderer({canvas:document.querySelector(inSettings.DOM)});
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const scene = new T.Scene();
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const camera = new T.PerspectiveCamera(80, 2, 0.1, 100);
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const light = new T.DirectionalLight(0xFFFFFF, 1);
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const controls = new OrbitControls(camera, renderer.domElement);
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let dirty = false;
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const Screen = {
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Dirty:false,
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Drag:0,
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Down:false,
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Ray:new T.Raycaster(),
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Mouse:new T.Vector2(),
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Camera:camera,
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Event:null,
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Update:e=>
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{
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Screen.Event = e;
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Screen.Dirty = true;
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Screen.Mouse.x = ( e.clientX / renderer.domElement.clientWidth ) * 2 - 1;
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Screen.Mouse.y = - ( e.clientY / renderer.domElement.clientHeight ) * 2 + 1;
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Screen.Ray.setFromCamera( Screen.Mouse, Screen.Camera );
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},
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HandleMove:e=>
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{
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Screen.Drag = Screen.Down ? 2 : 0;
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Screen.Update(e);
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},
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HandlePress:e=>
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{
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Screen.Down = true;
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Screen.Drag = 1;
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Screen.Update(e);
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},
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HandleRelease:e=>
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{
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Screen.Down = false;
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Screen.Drag = 0;
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Screen.Update(e);
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}
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};
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renderer.domElement.addEventListener("pointermove", Screen.HandleMove);
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renderer.domElement.addEventListener("pointerdown", Screen.HandlePress);
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renderer.domElement.addEventListener("pointerup", Screen.HandleRelease);
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const update = inTime =>
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{
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let timeNew = new Date();
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let timeDelta = timeNew - inTime;
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let delta = timeDelta * 0.001;
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inSettings.Update(scene, Screen, delta);
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Screen.Dirty = false;
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controls.update();
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dirty = true;
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setTimeout(()=>update(timeNew), 50);
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}
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const render = inTime =>
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{
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if(dirty)
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{
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renderer.render(scene, camera);
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dirty = false;
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}
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requestAnimationFrame(render);
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}
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const resize = () =>
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{
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let canvas = renderer.domElement;
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camera.aspect = canvas.clientWidth / canvas.clientHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(canvas.clientWidth, canvas.clientHeight, false);
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};
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scene.add(light);
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light.position.set(-1, 2, 4);
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camera.position.set(-1, 2, -1);
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camera.lookAt(new T.Vector3(0,0,0));
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controls.update();
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inSettings.Init(scene);
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window.addEventListener("resize", resize);
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resize();
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render(0);
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update(new Date());
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}; |