xsdmx-CocosCreator/assets/Script/game/fight/EventButton.ts

const {ccclass, property} = cc._decorator;
/**
 * 主界面的事件按钮
 */
@ccclass
export default class EventButton extends cc.Component {

    @property(cc.Sprite)
    mIcon: cc.Sprite = null;

    private callback:()=>void;

    private startCallback:()=>void;
    private endCallback:()=>void;

    public setCallback(callback:()=>void){
        this.callback = callback;
    }
    
    public onclick(){
        if(this.callback){
            this.callback();
        }
    }
    /**
     * 注册按压事件
     */
    public onTouchEvent(startCallback:()=>void,endCallback:()=>void){
        this.startCallback = startCallback;
        this.endCallback = endCallback;
        this.node.on(cc.Node.EventType.TOUCH_START, this._touchShootStartEvent, this);
        this.node.on(cc.Node.EventType.TOUCH_END, this._touchShootEndEvent, this);
        this.node.on(cc.Node.EventType.TOUCH_CANCEL, this._touchShootEndEvent, this);
    }
    /**
     * 取消注册
     */
    public offTouchEvent(){
        this.startCallback = null;
        this.endCallback = null;
        this.node.off(cc.Node.EventType.TOUCH_START)
        this.node.off(cc.Node.EventType.TOUCH_END)
        this.node.off(cc.Node.EventType.TOUCH_CANCEL)
    }

    private _touchShootStartEvent() {
        if(this.startCallback){
            this.startCallback();
        }
    }
    private _touchShootEndEvent() {
        if(this.endCallback){
            this.endCallback();
        }
    }
}