事件

import { _decorator, Component, Node, SystemEvent, systemEvent, System, EventAcceleration, EventKeyboard, Touch, EventTouch, SystemEventType, macro } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('GameMgr')
export class GameMgr extends Component {


    

    public start(): void { // 在初始化这里，我们就可以监听我们的事件;
        // 监听触摸事件
        systemEvent.on(SystemEventType.TOUCH_START, this.onTouchStart, this);
        systemEvent.on(SystemEventType.TOUCH_MOVE, this.onTouchMove, this);
        systemEvent.on(SystemEventType.TOUCH_END, this.onTouchEnd, this);
        systemEvent.on(SystemEventType.TOUCH_CANCEL, this.onTouchCancel, this);
        // end

        // 监听我们的键盘事件
        systemEvent.on(SystemEventType.KEY_DOWN, this.onKeyDown, this);
        systemEvent.on(SystemEventType.KEY_UP, this.onKeyUp, this);
        // end

        // 重力感应
        systemEvent.on(SystemEventType.DEVICEMOTION, this.onDeviceMotion, this);
        // end
    }

    onDestroy(): void {
        // 当我们开始监听的时候，一定要思考什么时候释放;
        systemEvent.off(SystemEventType.TOUCH_START);

        // systemEvent.on(SystemEventType.TOUCH_START, this.onTouchStart, this);
        systemEvent.off(SystemEventType.TOUCH_MOVE, this.onTouchMove, this);
        systemEvent.off(SystemEventType.TOUCH_END, this.onTouchEnd, this);
        systemEvent.off(SystemEventType.TOUCH_CANCEL, this.onTouchCancel, this);
        // end

        // 监听我们的键盘事件
        systemEvent.off(SystemEventType.KEY_DOWN, this.onKeyDown, this);
        systemEvent.off(SystemEventType.KEY_UP, this.onKeyUp, this);
        // end

        // 重力感应
        systemEvent.off(SystemEventType.DEVICEMOTION, this.onDeviceMotion, this);
        // end
    }

    private onDeviceMotion(event: EventAcceleration): void {

    }

    private onKeyDown(event: EventKeyboard): void {
        
        switch(event.keyCode) {
            case macro.KEY.s: // S
                console.log("S 建被按下了");
            break;
            case 87: // w
            break;
            case 65: // A
            break;
            case 68: // D
            break;

            case macro.KEY.space:
                console.log("空格按键按下了");
            break;
        }
    }

    private onKeyUp(event: EventKeyboard): void {
        
        switch(event.keyCode) {
            case 83: // S
            break;
            case 87: // w
            break;
            case 65: // A
            break;
            case 68: // D
            break;
        }
    }

    private onTouchStart(touch: Touch, event: EventTouch): void {
        // this --->target;
        console.log("onTouchStart", touch, touch.getLocation());
        
    }

    private onTouchEnd(touch: Touch, event: EventTouch): void {
        // this --->target;
        console.log("onTouchEnd");
    }

    private onTouchMove(touch: Touch, event: EventTouch): void {
        console.log("onTouchMove");
        console.log("getDelta", touch, touch.getDelta());
    }

    private onTouchCancel(touch: Touch, event: EventTouch): void {
        console.log("onTouchCancel");
    }
}