three实现三维路上过马路避让汽车游戏代码-html代码-BFW代码库

代码语言：html
所属分类：游戏
代码描述：three实现三维路上过马路避让汽车游戏代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">

    <style>
        @import url('css.css');
    
    body {
      margin: 0;
      font-family: 'Press Start 2P', cursive;
      font-size: 2em;
      color: white;
    }
    button {
      outline: none;
      cursor: pointer;
    }
    #counter {
      position: absolute;
      top: 20px;
      right: 20px;
    }
    #end {
      position: absolute;
      min-width: 100%;
      min-height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      visibility: hidden;
    }
    #end button {
      background-color: red;
      padding: 20px 50px 20px 50px;
      font-family: inherit;
      font-size: inherit;
    }
    #controlls {
      position: absolute;
      min-width: 100%;
      min-height: 100%;
      display: flex;
      align-items: flex-end;
      justify-content: center;
    }
    #controlls div {
      margin-bottom: 20px;
      font-size: 0;
      max-width: 180px;
    }
    #controlls button {
      width: 50px;
      font-family: inherit;
      font-size: 30px;
      border: 3px solid white;
      color: white;
      background-color: transparent;
      margin: 5px;
    }
    #controlls button:first-of-type {
      width: 170px;
    }
    </style>
</head>

<body>
    <div id="counter">0</div>
    <div id="controlls">
        <div>
            <button id="forward">↑</button>
            <button id="left">←</button>
            <button id="backward">↓</button>
            <button id="right">→</button>
        </div>
    </div>
    <div id="end">
        <button id="retry">Retry</button>
    </div>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.92.js"></script>
    <script>
        const counterDOM = document.getElementById('counter');  
const endDOM = document.getElementById('end');  

const scene = new THREE.Scene();

const distance = 500;
const camera = new THREE.OrthographicCamera( window.innerWidth/-2, window.innerWidth/2, window.innerHeight / 2, window.innerHeight / -2, 0.1, 10000 );

camera.rotation.x = 50*Math.PI/180;
camera.rotation.y = 20*Math.PI/180;
camera.rotation.z = 10*Math.PI/180;

const initialCameraPositionY = -Math.tan(camera.rotation.x)*distance;
const initialCameraPositionX = Math.tan(camera.rotation.y)*Math.sqrt(distance**2 + initialCameraPositionY**2);
camera.position.y = initialCameraPositionY;
camera.position.x = initialCameraPositionX;
camera.position.z = distance;

const zoom = 2;

const chickenSize = 15;

const positionWidth = 42;
const columns = 17;
const boardWidth = positionWidth*columns;

const stepTime = 200; // Miliseconds it takes for the chicken to take a step forward, backward, left or right

let lanes;
let currentLane;
let currentColumn;

let previousTimestamp;
let startMoving;
let moves;
let stepStartTimestamp;

const carFrontTexture = new Texture(40,80,[{x: 0, y: 10, w: 30, h: 60 }]);
const carBackTexture = new Texture(40,80,[{x: 10, y: 10, w: 30, h: 60 }]);
const carRightSideTexture = new Texture(110,40,[{x: 10, y: 0, w: 50, h: 30 }, {x: 70, y: 0, w: 30, h: 30 }]);
const carLeftSideTexture = new Texture(110,40,[{x: 10, y: 10, w: 50, h: 30 }, {x: 70, y: 10, w: 30, h: 30 }]);

const truckFrontTexture = new Texture(30,30,[{x: 15, y: 0, w: 10, h: 30 }]);
const truckRightSideTexture = new Texture(25,30,[{x: 0, y: 15, w: 10, h: 10 }]);
const truckLeftSideTexture = new Texture(25,30,[{x: 0, y: 5, w: 10, h: 10 }]);

const generateLanes = () => [-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9].map((index) => {
    const lane = new Lane(index);
    lane.mesh.position.y = index*positionWidth*zoom;
    scene.add( lane.mesh );
    return lane;
}).filter((lane) => lane.index >= 0);

const addLane = () => {
    const index = lanes.length;
    const lane = new Lane(index);
    lane.mesh.position.y = index*positionWidth*zoom;
    scene.add(lane.mesh);
    lanes.push(lane);
}

const chicken = new Chicken();
scene.add( chicken );

const laneTypes = ['car', 'truck', 'forest'];
const laneSpeeds = [2, 2.5, 3];
const vechicleColors = [0xa52523, 0xbdb638, 0x78b14b];
const threeHeights = [20,45,60];

const initaliseValues = () => {
    lanes = generateLanes()

    currentLane = 0;
    currentColumn = Math.floor(columns/2);

    previousTimestamp = null;

    startMoving = false;
    moves = [];
    stepStartTimestamp;

    chicken.position.x = 0;
    chicken.position.y = 0;

    camera.position.y = initialCameraPositionY;
    camera.position.x = initialCameraPositionX;
}

initaliseValues();

const renderer = new THREE.WebGLRenderer({
  alpha: true,
  antialias: true
});
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.PCFSoftShadowMap;
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );

hemiLight = new THREE.HemisphereLight(0xffffff, 0xffffff, 0.6);
scene.add(hemiLight)

dirLight = new THREE.DirectionalLight(0xffffff, 0.6);
dirLight.position.set(-100, -100, 200);
dirLight.castShadow = true;
scene.add(dirLight);

dirLight.shadow.mapSize.width = 2048;
dirLight.shadow.mapSize.height = 2048;
var d = 500;
dirLight.shadow.camera.left = - d;
dirLight.shadow.camera.right = d;
dirLight.shadow.camera.top = d;
dirLight.shadow.camera.bottom = - d;

// var helper = new THREE.CameraHelper( dirLight.shadow.camera );
// var helper = new THREE.CameraHelper( camera );
// scene.add(helper)

backLight = new THREE.DirectionalLight(0x000000, .4);
backLight.position.set(200, 200, 50);
backLight.castShadow = true;
scene.add(backLight)

function Texture(width, height, rects) {
    const canvas = document.createElement( "canvas" );
    canvas.width = width;
    canvas.height = height;
    const context = canvas.getContext( "2d" );
    context.fillStyle = "#ffffff";
    context.fillRect( 0, 0, width, height );
    context.fillStyle = "rgba(0,0,0,0.6)";  
    rects.forEach(rect => {
      context.fillRect(rect.x, rect.y, rect.w, rect.h);
    });
    return new THREE.CanvasTexture(canvas);
}

function Wheel() {
    const wheel = new THREE.Mesh( 
      new THREE.BoxBufferGeometry( 12*zoom, 33*zoom, 12*zoom ), 
      new THREE.MeshLambertMaterial( { color: 0x333333, flatShading: true } ) 
    );
    wheel.position.z = 6*zoom;
    return wheel;
}

function Car() {
  const car = new THREE.Group();
  const color = vechicleColors[Math.floor(Math.random() * vechicleColors.length)];
  
  const main = new THREE.Mesh(
    new THREE.BoxBufferGeometry( 60*zoom, 30*zoom, 15*zoom ), 
    new THREE.MeshPhongMaterial( { color, flatShading: true } )
  );
  main.position.z = 12*zoom;
  main.castShadow = true;
  main.receiveShadow = true;
  car.add(main)
  
  const cabin = new THREE.Mesh(
    new THREE.BoxBufferGeometry( 33*zoom, 24*zoom, 12*zoom ), 
    [
      new THREE.MeshPhongMaterial( { color: 0xcccccc, flatShading: true, map: carBackTexture } ),
      new THREE.MeshPhongMaterial( { color: 0xcccccc, flatShading: true, map: carFrontTexture } ),
      new THREE.MeshPhongMaterial( { color: 0xcccccc, flatShading: true, map: carRightSideTexture } ),
      new THREE.MeshPhongMaterial( { color: 0xcccccc, flatShading: true, map: carLeftSideTexture } ),
      new THREE.MeshPhongMaterial( { color: 0xcccccc, flatShading: true } ), // top
      new THREE.MeshPhongMaterial( { color: 0xcccccc, flatShading: true } ) // bottom
    ]
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