TweenJS基礎實例:
var canvas = document.getElementById('myCanvas'), stage = new createjs.Stage(canvas); var stageWidth = canvas.width; var stageHeight = canvas.height; var characterWidth = 75; var characterHeight = 96; var spritesheet; var charactor; window.onload = function(){ spritesheet = new createjs.SpriteSheet({ 'images': ['http://cdn.gbtags.com/gblibraryassets/libid108/charactor.png'], 'frames': {"height": 96, "count": 10, "width": 75} }); charactor = new createjs.Sprite(spritesheet); charactor.x = (stageWidth - characterWidth)/2; charactor.y = (stageHeight - characterHeight)/2; stage.addChild(charactor); charactor.play(); /* * 以下代碼生成了tween動畫人物相關效果 */ // 生成上下移動人物效果(一次性) createjs.Tween.get(charactor, {loop:false}) .to({y:150}, 500, createjs.Ease.quadInOut) .to({y:50}, 500, createjs.Ease.quadInOut); // 生成人物左右移動效果(無限循環) createjs.Tween.get(charactor, {loop:true}) .wait(3000) .call(charactor.gotoAndStop, [5], charactor) .wait(300) .to({x:450}, 1200, createjs.Ease.backInOut) .call(charactor.gotoAndStop, [0], charactor) .wait(2000) .call(charactor.gotoAndStop, [5], charactor) .wait(300) .to({x:(stageWidth - characterWidth)/2}, 500, createjs.Ease.backInOut) .call(charactor.gotoAndStop, [0], charactor); createjs.Ticker.setFPS(35); createjs.Ticker.addEventListener("tick", tick); function tick(){ stage.update(); } };
SoundJS播放音頻
createjs.Sound.alternateExtensions = ['mp3']; createjs.Sound.on('fileload', this.loadHandler, this); createjs.Sound.registerSound('endless.mp3', 'sound'); function loadHandler(event) { // 這會引發針對每個已注冊的聲音 var instance = createjs.Sound.play('sound'); instance.on('complete', this.handleComplete, this); instance.volume = 0.5 }
PreloadJS加載文件
var canvas = document.getElementById("myCanvas"); var stage = new createjs.Stage(canvas); var manifest; var preload; var progressText = new createjs.Text("", "20px Arial", "#dd4814"); progressText.x = 125 - progressText.getMeasuredWidth() / 2; progressText.y = 20; stage.addChild(progressText); stage.update(); //定義相關JSON格式文件列表 function setupManifest() { manifest = [{ src: "lib/easeljs-0.8.2.min.js", id: "easeljs" }, { src: "resource/4d8f3f13-89c0-455c-95f3-ba5120c2f123.jpg", id: "logo" }, { src: "endless.mp3", id: "audiofile" } ]; for(var i=1;i<=10;i++) manifest.push({src:"resource/200x200"}) } //開始預加載 function startPreload() { preload = new createjs.LoadQueue(true); //注意加載音頻文件需要調用如下代碼行 preload.installPlugin(createjs.Sound); preload.on("fileload", handleFileLoad); preload.on("progress", handleFileProgress); preload.on("complete", loadComplete); preload.on("error", loadError); preload.loadManifest(manifest); } //處理單個文件加載 function handleFileLoad(event) { console.log("文件類型: " + event.item.type); if(event.item.id == "logo"){ console.log("logo圖片已成功加載"); } } //處理加載錯誤:大家可以修改成錯誤的文件地址,可在控制台看到此方法調用 function loadError(evt) { console.log("加載出錯!",evt.text); } //已加載完畢進度 function handleFileProgress(event) { progressText.text = "已加載 " + (preload.progress*100|0) + " %"; stage.update(); } //全度資源加載完畢 function loadComplete(event) { console.log("已加載完畢全部資源"); } setupManifest(); startPreload();