cocos 入门2

今天学习了定时器，帧动画，以及键盘控制，缓动，还是上代码吧，方便自己后面复习

autowalk.ts

// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class NewClass extends cc.Component {

    @property
    speed:number=3

    @property
    director:cc.Vec2=null

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        cc.systemEvent.on('keydown',this.keyDownHandle,this);
    }

    start () {

    }
    keyDownHandle(e:cc.Event.EventKeyboard){
        if(e.keyCode===cc.macro.KEY.left){
            this.director=cc.v2(-1,0)
        }else if(e.keyCode===cc.macro.KEY.right){
            this.director=cc.v2(1,0)
        }else if(e.keyCode===cc.macro.KEY.up){
            this.director=cc.v2(0,1)
        }else if(e.keyCode===cc.macro.KEY.down){
            this.director=cc.v2(0,-1)
        }else if(e.keyCode===cc.macro.KEY.space){
            this.director=null
        }
    }

    update (dt) {
        // cc.log(dt)
        if(!this.director){
            return
        }
        let pos:cc.Vec2=this.node.getPosition();
        pos.x+=this.speed*this.director.x;
        pos.y+=this.speed*this.director.y;
        this.node.setPosition(pos)
    }
}

ball.ts
缓动

// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class NewClass extends cc.Component {

    @property(cc.Label)
    label: cc.Label = null;

    @property
    text: string = 'hello';

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        this.node.on('touchstart',this.touchHandle,this);
    }

    start () {

    }
    touchHandle(){
        let h:number=300;
        cc.tween(this.node)
        .by(0.5,{position:cc.v3(0,-h,0)},{easing:'quadIn'})
        .by(0.2,{position:cc.v3(0,h/6)},{easing:'quadOut'})
        .by(0.1,{position:cc.v3(0,-h/6,0)},{easing:'quadIn'})
        .start();


　　　　　　

 cc.tween(node)

        .by(1.5,{position:cc.v3(300,0,0)},{easing:'quadIn'})

        .to(1,{position:cc.v3(100,0,0)},{easing:'quadOut'})

        .bezierTo(1,cc.v2(100,10),cc.v2(10,10),cc.v2(200,200))

        .start()

    }

    // update (dt) {}
}

帧动画

// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class NewClass extends cc.Component {

    @property(cc.Label)
    label: cc.Label = null;

    @property
    text: string = 'hello';

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        //设置帧率
        cc.game.setFrameRate(60);
    }

    start () {

    }

    update (dt) {
        //做帧动画
        if(this.node.x>250){
            return
        }
        this.node.x+=5
    }
}

定时器
// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class NewClass extends cc.Component {

    @property(cc.Label)
    label: cc.Label = null;

    @property
    text: string = '';
    index:number=0

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        //一定要注意，这里的label其实只是一个属性变量，从label获取值还得先获取到这个组件
        this.label = this.getComponent(cc.Label);
        this.text = this.label.string; // 取得完整的文本
        cc.log(this.text,'--------------------')
        cc.log(this.label)
        cc.log(this.label.string)
        this.label.string='123'
        this.label.string = '';  // 清空文本，从头显示

        this.schedule(this.onTimer, 0.3);
    }

    start () {
        
    }
    onTimer(){
        this.index++;
        let str:string=this.text.substr(0,this.index);
        this.label.string=str;
        if(this.start.length>=this.text.length){
            this.unschedule(this.onTimer)
        }

    }

    // update (dt) {}
}