用Three.js写h5小游戏-飞机大战
- 博主的话
- 运行图片
- 目录路径!
- index.html
博主的话
Three.js是js的一个3D引擎，比较复杂。比如光是Three.js就附带了100多个js插件，没有大毅力是学不下来的。最近比较浮躁，打算停止对Three.js的学习。做的3D飞机大战也停止不做了。我把目前做好的部分的代码贴出来。希望对大家有所用处。
游戏完成度：做了背景、飞机、子弹、子弹循环以及消失
贴图只能在服务器环境下显示，或者在下载了配置文件的Google浏览器也可以运行
运行图片
目录路径
index.html
<html>
<head>
<title>one</title>
<script src="JS/three.min.js" type="text/javascript"></script>
<script src="JS/jquery-3.3.1.min.js" type="text/javascript"></script>
<style>
body{
margin: 0;
overflow: hidden;
}
</style>
</head>
<body >
<div id="WebGL-output">
</div>
</body>
<script>
//声明对象
var containerX=115,containerY=50; //容器,飞机活动范围
var camera; //相机
var scene; //场景
var renderer; //渲染器
var airPlane,planeX=0,planeY=50,planeSpeed=1;
init(); //初始化
animate();
/* 场景 */
function initScene() {
scene = new THREE.Scene();
//scene.fog=new THREE.Fog(0xffffff,0.015,100);//雾化效果
}
/* 相机 */
function initCamera() {
camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 10000);
camera.position.set(0,200, 0);
camera.lookAt(new THREE.Vector3(0, 0, 0));
}
/* 渲染器 */
function initRender() {
renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setClearColor(new THREE.Color(0xEEEEEE));//背景颜色
document.body.appendChild(renderer.domElement);
renderer.shadowMapEnabled = true;
}
/* 灯光 */
function initLight() {
scene.add(new THREE.AmbientLight(0x0c0c0c));//环境光，不产生阴影，弱化阴影，给场景提供一些其他的颜色
let spotLight = new THREE.SpotLight(0xffffff);//聚光灯，类似台灯
spotLight.position.set(-100, 200, 0);
spotLight.castShadow = true; // 让光源产生阴影
let spotLight2 = new THREE.SpotLight(0xffffff);
spotLight2.position.set(800, 800, 800);
scene.add(spotLight);
scene.add(spotLight2);
}
/*************************函数封装部分****************************/
function GetTexture(imgUrl,wNum,hNum){//设置贴图的图片和重复频率
var textureGrass = THREE.ImageUtils.loadTexture(imgUrl);
textureGrass.wrapS = THREE.RepeatWrapping;
textureGrass.wrapT = THREE.RepeatWrapping;
textureGrass.repeat.set(wNum, hNum);
return textureGrass;
}
function checkBullet(p){
if(p!=null)
{
p.bullet.rotation.z=step;
p.bulletY-=planeSpeed/2;
p.bullet.position.z=p.bulletY;
if(p.bulletY<=-45)
{
scene.remove(p.bullet);
p=null;
}
}
}
/*********************************************************************/
function AirPlane() {
this.mesh = new THREE.Object3D();
// 这里要做的是一个驾驶舱
var geomCockpit = new THREE.BoxGeometry(80,50,50,1,1,1);
var matCockpit = new THREE.MeshPhongMaterial({color:0x74983E, shading:THREE.FlatShading,map: GetTexture('fontPic/bg.jpg',1,1)});
geomCockpit.vertices[4].y-=10;
geomCockpit.vertices[4].z+=20;
geomCockpit.vertices[5].y-=10;
geomCockpit.vertices[5].z-=20;
geomCockpit.vertices[6].y+=20;
geomCockpit.vertices[6].z+=20;
geomCockpit.vertices[7].y+=20;
geomCockpit.vertices[7].z-=20;
var cockpit = new THREE.Mesh(geomCockpit, matCockpit);
cockpit.castShadow = true;
cockpit.receiveShadow = true;
this.mesh.add(cockpit);
// 还要有引擎盖
var geomEngine = new THREE.BoxGeometry(20,50,50,1,1,1);
var matEngine = new THREE.MeshPhongMaterial({color:0xBCB46B, shading:THREE.FlatShading});
var engine = new THREE.Mesh(geomEngine, matEngine);
engine.position.x = 40;
engine.castShadow = true;
engine.receiveShadow = true;
this.mesh.add(engine);
// 做个尾巴吧
var geomTailPlane = new THREE.BoxGeometry(15,20,5,1,1,1);
var matTailPlane = new THREE.MeshPhongMaterial({color:0xff0000, shading:THREE.FlatShading});
var tailPlane = new THREE.Mesh(geomTailPlane, matTailPlane);
tailPlane.position.set(-35,25,0);
tailPlane.castShadow = true;
tailPlane.receiveShadow = true;
this.mesh.add(tailPlane);
// 机翼当然少不了，用长长的矩形穿过机身，多么美妙！
var geomSideWing = new THREE.BoxGeometry(40,8,150,1,1,1);
var matSideWing = new THREE.MeshPhongMaterial({color:0x74983E, shading:THREE.FlatShading,map: GetTexture('fontPic/plane1.jpg',1,5)});
var sideWing = new THREE.Mesh(geomSideWing, matSideWing);
sideWing.castShadow = true;
sideWing.receiveShadow = true;
this.mesh.add(sideWing);
// 飞机前端旋转的螺旋桨
var geomPropeller = new THREE.BoxGeometry(20,10,10,1,1,1);
var matPropeller = new THREE.MeshPhongMaterial({color:0xff0000, shading:THREE.FlatShading});
this.propeller = new THREE.Mesh(geomPropeller, matPropeller);
this.propeller.castShadow = true;
this.propeller.receiveShadow = true;
// 螺旋桨
var geomBlade = new THREE.BoxGeometry(1,100,20,1,1,1);
var matBlade = new THREE.MeshPhongMaterial({color:0xff00aa, shading:THREE.FlatShading});
blade = new THREE.Mesh(geomBlade, matBlade);
blade.position.set(8,0,0);
blade.castShadow = true;
blade.receiveShadow = true;
this.propeller.add(blade);
this.propeller.position.set(50,0,0);
this.mesh.add(this.propeller);
};
function createBullet() {
// 子弹
this.bulletX=planeX;
this.bulletY=planeY-20;
var geomSideWing = new THREE.BoxGeometry(2,2,4,1,1,1);
var matSideWing = new THREE.MeshPhongMaterial({color:0x74983E, shading:THREE.FlatShading});
this.bullet = new THREE.Mesh(geomSideWing, matSideWing);
this.bullet.castShadow = true;
this.bullet.receiveShadow = true;
this.bullet.position.set(this.bulletX,30,this.bulletY);
scene.add(this.bullet);
};
function createPlane(){
airplane = new AirPlane();
airplane.mesh.scale.set(.25,.25,.25);
airplane.mesh.rotation.y=0.5*Math.PI;
airplane.mesh.position.set(0,30,planeY);
scene.add(airplane.mesh);
}
/* 场景中的内容 */
function initContent() {
/*创建背景平面*/
var BgMaterial = new THREE.MeshLambertMaterial({map: GetTexture('fontPic/bg.jpg',1,1)});// 设置背景平面的颜色、透明度、贴图等
var BgGeometry = new THREE.PlaneGeometry(330,220,1,1);// 设置背景平面宽高，宽330、高220
// BgMaterial.side=THREE.DoubleSide;//使平面的反面也可以显示，这里看不到反面所以不需要
var Bg = new THREE.Mesh(BgGeometry, BgMaterial); // 创建平面
Bg.receiveShadow = true; //平面接收投影
Bg.rotation.x = -0.5*Math.PI; // 绕x轴旋转90度
Bg.position.set(0,0,0); // 平面坐标位置
scene.add(Bg);
createPlane();
}
var step=0,fpsnum=0;
var enemyPlane0=null,enemyPlane1=null,enemyPlane2=null,enemyPlane3=null,enemyPlane4=null,enemyPlane5=null;
var p0=null,p1=null,p2=null,p3=null,p4=null,p5=null;
/* 组件动画 */
function action() {
blade.rotation.x=step;//飞机螺旋桨的旋转
checkBullet(p0);
checkBullet(p1);
checkBullet(p2);
checkBullet(p3);
checkBullet(p4);
checkBullet(p5);
if(fpsnum==25)
p0=new createBullet();
else if(fpsnum==50)
p1=new createBullet();
else if(fpsnum==75)
p2=new createBullet();
else if(fpsnum==100)
p3=new createBullet();
else if(fpsnum==125)
p4=new createBullet();
else if(fpsnum==150)
p5=new createBullet();
else if(fpsnum>=151){
fpsnum=0;
}
fpsnum++;
step+=planeSpeed/5;
}
/* 数据更新 */
function update() {
action();
}
/* 窗口变动触发 */
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
/* 主函数-初始化 */
function init() {
initScene();
initCamera();
initRender();
initLight();
initContent();
window.addEventListener('resize',onWindowResize,false)//添加全局监听器：尺寸改变
}
/* 循环渲染 */
function animate() {
requestAnimationFrame(animate);
renderer.render(scene, camera);
update();
}
/*键盘监听事件*/
$(document).keydown(function(event){
if(event.which==37&&planeX>-containerX){
planeX-=planeSpeed;
airplane.mesh.position.set(planeX,30,planeY);
}
if(event.which==39&&planeX<containerX){
planeX+=planeSpeed;
airplane.mesh.position.set(planeX,30,planeY);
}
if(event.which==38&&planeY>-containerY){
planeY-=planeSpeed;
airplane.mesh.position.set(planeX,30,planeY);
}
if(event.which==40&&planeY<containerY){
planeY+=planeSpeed;
airplane.mesh.position.set(planeX,30,planeY);
}
});
</script>
</html>