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cc.Class({
extends: cc.Component,
properties: {
},
// 生命周期 onLoad
onLoad() {
this.initSceneData();
this.initSize();
},
_imageResList: null,
_audioResList: null,
_animaResList: null,
initSceneData() {
this._imageResList = [];
this._audioResList = [];
this._animaResList = [];
},
_designSize: null, // 设计分辨率
_frameSize: null, // 屏幕分辨率
_mapScaleMin: null, // 场景中常用缩放(取大值)
_mapScaleMax: null, // 场景中常用缩放(取小值)
_cocosScale: null, // cocos 自缩放 (较少用到)
initSize() {
// 注意cc.winSize只有在适配后(修改fitHeight/fitWidth后)才能获取到正确的值,因此使用cc.getFrameSize()来获取初始的屏幕大小
let screen_size = cc.view.getFrameSize().width / cc.view.getFrameSize().height
let design_size = cc.Canvas.instance.designResolution.width / cc.Canvas.instance.designResolution.height
let f = screen_size >= design_size
cc.Canvas.instance.fitHeight = f
cc.Canvas.instance.fitWidth = !f
const frameSize = cc.view.getFrameSize();
this._frameSize = frameSize;
this._designSize = cc.view.getDesignResolutionSize();
let sx = cc.winSize.width / frameSize.width;
let sy = cc.winSize.height / frameSize.height;
this._cocosScale = Math.min(sx, sy);
sx = frameSize.width / this._designSize.width;
sy = frameSize.height / this._designSize.height;
this._mapScaleMin = Math.min(sx, sy) * this._cocosScale;
this._mapScaleMax = Math.max(sx, sy) * this._cocosScale;
},
// 生命周期 start
start() {
let getData = this.getData.bind(this);
if (window && window.courseware) {
getData = window.courseware.getData;
}
getData((data) => {
console.log('data:', data);
this.data = data || this.getDefaultData();
this.data = JSON.parse(JSON.stringify(this.data))
this.preloadItem()
})
},
getData(cb) {
cb(this.getDefaultData());
},
getDefaultData() {
const dataJson = '{"pic_url":"http://staging-teach.cdn.ireadabc.com/ed94332a503c31e0908bd4c6923a2665.png","pic_url_2":"http://staging-teach.cdn.ireadabc.com/5fb60317ade0195d35ad8034d5370a7f.png","text":"This is a test label.","audio_url":"http://staging-teach.cdn.ireadabc.com/f47f1d7b5c160fe1c59500d180346240.mp3"}'
const data = JSON.parse(dataJson);
return data;
},
preloadItem() {
this.addPreloadImage();
this.addPreloadAudio();
this.addPreloadAnima();
this.preload();
},
addPreloadImage() {
this._imageResList.push({ url: this.data.pic_url });
this._imageResList.push({ url: this.data.pic_url_2 });
},
addPreloadAudio() {
this._audioResList.push({ url: this.data.audio_url });
},
addPreloadAnima() {
},
preload() {
const preloadArr = this._imageResList.concat(this._audioResList).concat(this._animaResList);
cc.assetManager.loadAny(preloadArr, null, null, (err, data) => {
this.loadEnd();
if (window && window["air"]) {
window["air"].hideAirClassLoading();
}
cc.debug.setDisplayStats(false);
});
},
loadEnd() {
this.initData();
this.initAudio();
this.initView();
// this.initListener();
},
_cantouch: null,
initData() {
// 所有全局变量 默认都是null
this._cantouch = true;
},
audioBtn: null,
initAudio() {
const audioNode = cc.find('Canvas/res/audio');
const getAudioByResName = (resName) => {
return audioNode.getChildByName(resName).getComponent(cc.AudioSource);
}
this.audioBtn = getAudioByResName('btn');
},
initView() {
this.initBg();
this.initPic();
this.initBtn();
this.initIcon();
},
initBg() {
const bgNode = cc.find('Canvas/bg');
bgNode.scale = this._mapScaleMax;
},
pic1: null,
pic2: null,
initPic() {
const canvas = cc.find('Canvas');
const maxW = canvas.width * 0.7;
this.getSprNodeByUrl(this.data.pic_url, (sprNode) => {
const picNode1 = sprNode;
picNode1.scale = maxW / picNode1.width;
picNode1.baseX = picNode1.x;
canvas.addChild(picNode1);
this.pic1 = picNode1;
const labelNode = new cc.Node();
labelNode.color = cc.Color.YELLOW;
const label = labelNode.addComponent(cc.Label);
label.string = this.data.text;
label.fontSize = 60;
label.lineHeight = 60;
label.font = cc.find('Canvas/res/font/BRLNSDB').getComponent('cc.Label').font;
picNode1.addChild(labelNode);
});
this.getSprNodeByUrl(this.data.pic_url_2, (sprNode) => {
const picNode2 = sprNode;
picNode2.scale = maxW / picNode2.width;
canvas.addChild(picNode2);
picNode2.x = canvas.width;
picNode2.baseX = picNode2.x;
this.pic2 = picNode2;
const labelNode = new cc.Node();
const label = labelNode.addComponent(cc.RichText);
const size = 60
label.font = cc.find('Canvas/res/font/BRLNSDB').getComponent(cc.Label).font;
label.string = `<outline color=#751e00 width=4><size=${size}><color=#ffffff>${this.data.text}</color></size></outline>`
label.lineHeight = size;
picNode2.addChild(labelNode);
});
},
initIcon() {
const iconNode = this.getSprNode('icon');
iconNode.zIndex = 5;
iconNode.anchorX = 1;
iconNode.anchorY = 1;
iconNode.parent = cc.find('Canvas');
iconNode.x = iconNode.parent.width / 2 - 10;
iconNode.y = iconNode.parent.height / 2 - 10;
iconNode.on(cc.Node.EventType.TOUCH_START, () => {
this.playAudioByUrl(this.data.audio_url);
})
},
curPage: null,
initBtn() {
this.curPage = 0;
const bottomPart = cc.find('Canvas/bottomPart');
bottomPart.zIndex = 5; // 提高层级
bottomPart.x = bottomPart.parent.width / 2;
bottomPart.y = -bottomPart.parent.height / 2;
const leftBtnNode = bottomPart.getChildByName('btn_left');
//节点中添加了button组件 则可以添加click事件监听
leftBtnNode.on('click', () => {
if (!this._cantouch) {
return;
}
if (this.curPage == 0) {
return;
}
this.curPage = 0
this.leftMove();
cc.audioEngine.play(this.audioBtn.clip, false, 0.8)
})
const rightBtnNode = bottomPart.getChildByName('btn_right');
//节点中添加了button组件 则可以添加click事件监听
rightBtnNode.on('click', () => {
if (!this._cantouch) {
return;
}
if (this.curPage == 1) {
return;
}
this.curPage = 1
this.rightMove();
cc.audioEngine.play(this.audioBtn.clip, false, 0.5)
})
},
leftMove() {
this._cantouch = false;
const len = this.pic1.parent.width;
cc.tween(this.pic1)
.to(1, { x: this.pic1.baseX }, { easing: 'cubicInOut' })
.start();
cc.tween(this.pic2)
.to(1, { x: this.pic2.baseX }, { easing: 'cubicInOut' })
.call(() => {
this._cantouch = true;
})
.start();
},
rightMove() {
this._cantouch = false;
const len = this.pic1.parent.width;
cc.tween(this.pic1)
.to(1, { x: this.pic1.baseX - len }, { easing: 'cubicInOut' })
.start();
cc.tween(this.pic2)
.to(1, { x: this.pic2.baseX - len }, { easing: 'cubicInOut' })
.call(() => {
this._cantouch = true;
})
.start();
},
// update (dt) {},
// ------------------------------------------------
getSprNode(resName) {
const sf = cc.find('Canvas/res/img/' + resName).getComponent(cc.Sprite).spriteFrame;
const node = new cc.Node();
node.addComponent(cc.Sprite).spriteFrame = sf;
return node;
},
getSpriteFrimeByUrl(url, cb) {
cc.loader.load({ url }, (err, img) => {
const spriteFrame = new cc.SpriteFrame(img)
if (cb) {
cb(spriteFrame);
}
})
},
getSprNodeByUrl(url, cb) {
const node = new cc.Node();
const spr = node.addComponent(cc.Sprite);
this.getSpriteFrimeByUrl(url, (sf) => {
spr.spriteFrame = sf;
if (cb) {
cb(node);
}
})
},
playAudioByUrl(audio_url, cb = null) {
if (audio_url) {
cc.assetManager.loadRemote(audio_url, (err, audioClip) => {
const audioId = cc.audioEngine.play(audioClip, false, 0.8);
if (cb) {
cc.audioEngine.setFinishCallback(audioId, () => {
cb();
});
}
});
}
},
// ------------------------------------------
});