• 动画开发之PIXI开发


    简单的移动小游戏只要引入pixi.min.js就可以,
    如果要用spine动画(龙骨也支持导出spine格式的)就要引入pixi-spine.js
    如果还有声音的支持引入pixi-sound.js
    学习网址:
     
    - 官网http://www.pixijs.com
     

    - 入门资料https://github.com/kittykatattack/learningPixi

    - pixi中文翻译教程https://www.bookstack.cn/read/LearningPixi/loading/

    - spine动画https://github.com/pixijs/pixi-spine

    - 声音https://github.com/pixijs/pixi-sound
     
     
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        <style>
            * {padding: 0; margin: 0}
            body{
                font-size: 12px;
            }
            #app{
                 19.2rem;
                height: 10.8rem;
                position: absolute;
                left: 50%;
                top: 50%;
                margin-left: -9.6rem;
                margin-top: -5.4rem;
        
            }
        </style>
    </head>
    <body style="background:black;">
        <div id="app"></div>
    </body>
    <script>
        function setHtmlFontSize() {
            var w = document.body.getBoundingClientRect().width||document.documentElement.getBoundingClientRect().width;
            var fontSize = ''
            fontSize = w/1920*100
            document.getElementsByTagName('html')[0].style.fontSize = fontSize+'px';
        }
        setHtmlFontSize()
        window.onresize=function(){
            setHtmlFontSize()
        }
        // document.getElementById('app').style.cursor="url('static/assets/images/default.png'),auto";
    </script>
    <script src="../pixi/pixi.min.js"></script>
    <script src="../pixi/pixi-spine.js"></script>
    <script src="../pixi/pixi-sound.js"></script>
    <script>
    
    
    //设置别名
    var Application = PIXI.Application;
    var loader = PIXI.loader;
    var Sprite = PIXI.Sprite;
    var resources = PIXI.loader.resources;
    var Container = PIXI.Container;
    var Graphics = PIXI.Graphics;
    
    //实例化PIXI,并设置画布
    var app = new Application({
        1920,
        height:1080,
        antialias:true,
        transparent:false,
        resolution:1,
        autoResize:true
    })
    
    //设置画布的rem,自适应画布
    app.view.style.width = '19.2rem';
    app.view.style.height = '10.8rem';
    
    window.stage = app.stage;
    // 设置画布全屏展示
    // app.renderer.view.style.position = "absolute";
    // app.renderer.view.style.display = "block";
    // app.renderer.autoResize = true;
    // app.renderer.resize(window.innerWidth,window.innerWidth/1920*1080)
    // app.renderer.resize.width=window.innerWidth;
    
    document.getElementById('app').appendChild(app.view);
    
    //添加纹理,promise保证json文件load结束,然后执行下面的其他渲染及动画逻辑
    new Promise((resolve, reject) => {
                loader.add('question','static/content.json');
                loader.add('resources','static/resource.json');
                loader.load(() => {
                    let content = resources["resources"].data;
                    // console.log(content)
                    // console.log(content)
                    content.forEach(value => {
                        // console.log(value.key, value.path)
                        //添加其他资源
                        loader.add(value.key, value.path);
                    
                        // //监听image/audio
                        if(value.key.indexOf('image')>-1){
                            var newImg = new Image();
                            newImg.src = value.path;
                            newImg.onerror = function(e){
                                console.log(e);
                            }
                        }else if(value.key.indexOf('audio')>-1){
                            var newAudio = new Audio();
                            newAudio.src = value.path;
                            newAudio.onerror = function(e){
                                console.log(e)
                            }
                        }
                    
                    });
                    loader.load((l,r) =>{
                        // // window.res = r;
                        // console.log(l,r)
                        resolve(r)
                    });
                    loader.onError.add((e) => {
                        console.log("loader加载错误");
                    });
                    loader.onProgress.add((e) => {
                        // console.log("loader加载进程中");
                        // document.getElementsByClassName('runner')[0].style.width = e.progress*6.8/100+'rem'
                    });
                    loader.onComplete.add((e) => {
                        // console.log("loader加载完成");
                    });
    
                })
            })
            .then(()=>{
                // console.log(res)
                setup(resources)
            })
    
    //加载的资源
    function setup(res) {
        
        var gameScene;
        window.res=res
        window.question = res.question.data;
    
         /** 
         * 添加声音
        */
        var bgSound = res.audio_Bg.sound
        var rightSound = res.audio_right.sound
        var wrongSound = res.audio_wrong.sound
        var finishSound = res.audio_finish.sound
        // bgSound.play()
    
        // 全部页面容器
        var allPage = new Container();
        app.stage.addChild(allPage)
    
        //开始
        var startPage = new Container();
        allPage.addChild(startPage)
        //背景
        var startBg = new Sprite.fromImage(res.image_startBg.url);
        startPage.addChild(startBg);
    
        // btn按钮
        var startBtnAnimationUI = new PIXI.spine.Spine(res.animation_btn.spineData)
        var startBtnAnimation = startBtnAnimationUI.state.setAnimation(0,'animation',true)
        startBtnAnimationUI.x=960;
        startBtnAnimationUI.y=843;
        startBtnAnimationUI.cursor = 'pointer'
        startBtnAnimationUI.interactive = true;
        startBtnAnimationUI.on('pointerdown',function(){
            // console.log(1)
            startPage.visible = false;
            gameScene.visible = true;
            bgSound.play()
            bgSound.loop = true;
        })
        startPage.addChild(startBtnAnimationUI)
        
        
        //游戏页面
        gameScene = new Container();
        gameScene.visible = false;
        allPage.addChild(gameScene);
    
        //背景
        var bgImage = new Container();
        var gameBg = res.question.data.sources[0].bgImage
        var gameBgRes = res[gameBg.image.name].url;
        var gameBg = new Sprite.fromImage(gameBgRes);
        bgImage.addChild(gameBg);
        gameScene.addChild(gameBg);
    
        //母鸡
        var hen = new Container()
        var exNoAnimationCon = new PIXI.spine.Spine(res.animation_animates.spineData);
        let exNoAnimation = exNoAnimationCon.state.setAnimation(0, 'wait', true);
        exNoAnimationCon.x = 960;
        exNoAnimationCon.y = 543;
        hen.addChild(exNoAnimationCon);
        gameScene.addChild(hen);
    
        //鸡蛋
        var eggs = new Container();
        gameScene.addChild(eggs);
    
        //结果页
        var result = new Container();
        gameScene.addChild(result);
        var resultBg = new Sprite.fromImage(res.image_resultAn.url);
        //设置背景色
        let rectangle = new Graphics();
        rectangle.alpha = 0.5
        rectangle.beginFill(0x1b1919);
        rectangle.drawRect(0, 0, 1920, 1080);
        rectangle.endFill();
        rectangle.x = 0;
        rectangle.y = 0;
        let style = new PIXI.TextStyle({
            fontFamily: "Arial",
            fontSize: 80,
            fill: "white",
            stroke: 'yellow',
            strokeThickness: 4,
            dropShadow: true,
            dropShadowColor: "#000000",
            dropShadowBlur: 4,
            dropShadowAngle: Math.PI / 6,
            dropShadowDistance: 6,
        });
        //设置文字
        var resultText = new PIXI.Text('2',style)
        resultText.position.set(1000,620)
    
        var resultTextOver = new PIXI.Text('Game over!',style)
        resultTextOver.position.set(750,900)
    
        result.addChild(rectangle);
        result.addChild(resultBg);
        result.addChild(resultText);
        result.addChild(resultTextOver);
        result.visible = false;
    
        // 引入的数据
        
        var eggEvent = []
        var answers=['A','B','C','D']
        for(let j=0;j<question.sources[0].answer.flags.length;j++){
            let  egg = new Sprite.fromImage(res[question.sources[0].answer.flags[j].image_name].url);
            //坐标位置
            egg.x = question.sources[0].answer.flags[j].x;
            egg.y = question.sources[0].answer.flags[j].y;
    
            egg.startX = question.sources[0].answer.flags[j].x;
            egg.startY = question.sources[0].answer.flags[j].y;
            egg.answer = answers[j]
            // console.log(question.sources[0].answer.flags[j].x)
            //设置锚点位置为中心
            egg.anchor.set(0.5); 
            eggEvent.push(egg);
            //这个循环不行
            // egg.interactive = true; 
            // 设置鸡蛋的抓取
            // egg.on('pointerdown',eggPointerDown)
            // egg.on('pointermove',eggPointerMove)
            // egg.on('pointerup',eggPointerUp)
            // egg.on('pointerupoutsize',pointerUpOutsize)
            eggs.addChild(egg);
            
        }
    
        /** 
         * 测试得出map forEach 可以添加方法  for循环不可以
        */
        eggEvent.map(function(value,index){
            value.interactive=true;
            value.on('pointerdown',eggPointerDown)
            value.on('pointermove',eggPointerMove)
            value.on('pointerup',eggPointerUp)
            value.on('pointerupoutsize',pointerUpOutsize)
            /** 
             * 
            */
           var appDomStyle = document.getElementById('app').style
            var flag=false;
            function eggPointerDown(ev){
                flag = true;
                var pointerPosition = ev.data.getLocalPosition(this.parent)
                //鼠标位置与egg锚点的距离
                this.posX = pointerPosition.x-this.x
                this.posY = pointerPosition.y-this.y
                // console.log(this.posX,this.posY)
                appDomStyle.cursor = "url('static/assets/images/drag.png'),auto";
            }
            function eggPointerUp(ev){
                flag = false;
                appDomStyle.cursor = "url('static/assets/images/default.png'),auto";
                // console.log(exNoAnimationCon.x)
                // console.log(this.x)
                // console.log(exNoAnimationCon.width/2)
                console.log(this.answer)
                if(Math.abs(exNoAnimationCon.x-this.x ) <= exNoAnimationCon.width/2 && Math.abs(exNoAnimationCon.y-this.y )<= exNoAnimationCon.height/2){
                    // alert(1)
                    if(this.answer==="A") {
                        rightSound.play()
                        exNoAnimationCon.state.setAnimation(0, 'right', true);
                        //禁止交互行为
                        eggs.children.forEach((item,index)=>{
                                item.buttonMode = false;
                                item.interactive = false;
        
                        });
                        this.visible=false;
                        finishSound.play()
                        // bgSound.paused = true
                        exNoAnimationCon.state.addAnimation(0, 'finish', false);
                        
                        setTimeout(()=>{
                            bgSound.stop()
                            result.visible = true;
                        },6500)
    
                    } else {
                        wrongSound.play()
                        exNoAnimationCon.state.setAnimation(0, 'wrong', false);
                        exNoAnimationCon.state.addAnimation(0, 'wait', true);
                        this.position.x = this.startX
                        this.position.y = this.startY
                    }
                } else {
                    exNoAnimationCon.state.setAnimation(0, 'wait', true);
                    this.position.x = this.startX
                    this.position.y = this.startY
                }     
            }
            function pointerUpOutsize(ev){
                flag = false;
                appDomStyle.cursor = "url('static/assets/images/default.png'),auto";
            }
            function eggPointerMove(ev){
                var pointerPosition = ev.data.getLocalPosition(this.parent)
                // console.log(pointerPosition)
                // console.log(flag)
                if(flag) {
                    appDomStyle.cursor="url('static/assets/images/drag.png'),auto";                
                    this.position.x = pointerPosition.x - this.posX;
                    this.position.y = pointerPosition.y - this.posY;  
                    if(Math.abs(exNoAnimationCon.x-this.x ) <= exNoAnimationCon.width/2 && Math.abs(exNoAnimationCon.y-this.y )<= exNoAnimationCon.height/2){
                    // alert(1)
                        exNoAnimationCon.state.setAnimation(0, 'drag', true);
                    }else{
                        exNoAnimationCon.state.setAnimation(0, 'wait', true);
                    }              
                }
            }
        })
    
    
    
    }
    
    
    
    
    
    </script>
    </html>
    

      

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  • 原文地址:https://www.cnblogs.com/yiyi17/p/10554268.html
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