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import * as THREE from three; //引入threejsconst renderer new THREE.WebGLRenderer();//创建渲染器
//设置渲染范围#xff0c;当前撑满全屏,屏幕左上角是…JavaScript 0基础只是照着官方文档临摹了下之后有时间再进行细节学习和功能封装。
import * as THREE from three; //引入threejsconst renderer new THREE.WebGLRenderer();//创建渲染器
//设置渲染范围当前撑满全屏,屏幕左上角是00
let width window.innerWidth;
let height window.innerHeight;
renderer.setSize(width, height);document.body.appendChild(renderer.domElement);
//配置相机,对应unity中 camer组件的相关设置
const camera new THREE.PerspectiveCamera(45,width/height,1,500);
camera.position.set(0,0,100);//设置相机位置对应unity中配置camer坐标
camera.lookAt(0,0,0);//设置相机一直朝向的坐标点对应unity中的相机观察中心点
//创建一个材质球
//const material new THREE.LineBasicMaterial({color:new THREE.Color(rgb(0, 100, 150))});//({color:0x0000ff});
const material new THREE.LineBasicMaterial( {color: new THREE.Color(rgb(0, 100, 150)),linewidth: 10,//官方文档告知 由于OpenGL Core Profile与 大多数平台上WebGL渲染器的限制无论如何设置该值线宽始终为1。linecap: bevel, //ignored by WebGLRendererlinejoin: bevel //ignored by WebGLRenderer
} );
//配置画线经过的点对应unity中的lineRenderer组件
//屏幕正中间是(0,0,0)
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));
points.push(new THREE.Vector3(0,-10,0));
points.push(new THREE.Vector3(-10,0,0));
//传入点 创建几何体
const geometry new THREE.BufferGeometry().setFromPoints(points);
//设置直线类型其他还没研究
const line new THREE.Line(geometry,material);//创建场景
const scene new THREE.Scene();
scene.add(line);//把线加入场景
renderer.render(scene,camera);//设置要渲染的场景和相机
