import { constant } from './framework/constant';
import { GameManager } from './gameManager';
import { _decorator, Component, Node, Vec2, Vec3, Quat, clamp, Touch, ColliderComponent, EventTouch, Camera, input, Input } from 'cc';

const { ccclass, property } = _decorator;

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

    protected _stateX: number = 0;  // 1 positive, 0 static, -1 negative
    protected _stateZ: number = 0;
    protected _speed: number = 0.009;
    ontouch :boolean = false;
    private _oldX: number = 0;

    @property(Camera)
    public Camera: Camera = null!;


    onLoad() {  
        // 监听触摸事件  
        input.on(Input.EventType.TOUCH_START, this.touchStart, this);  
        input.on(Input.EventType.TOUCH_MOVE, this.touchMove, this);  
        input.on(Input.EventType.TOUCH_END, this.touchEnd, this);  
        input.on(Input.EventType.TOUCH_CANCEL, this.touchCancel, this);  
    } 

    onDestroy() 
    {
        input.off(Input.EventType.TOUCH_START);  
        input.off(Input.EventType.TOUCH_MOVE);  
        input.off(Input.EventType.TOUCH_END);  
        input.off(Input.EventType.TOUCH_CANCEL);  
    }

    public touchStart(touch: EventTouch) {
        this._stateX = 0;
        this.ontouch = true;
    }

    public touchMove(touch: EventTouch) {
        
        this._stateX = touch.getUIDelta().x;

        //前后移动间距为3才视为移动，避免太灵敏
        if (Math.abs(this._stateX - this._oldX) <= 3) {
            this._stateX = 0;
            this._oldX = 0;
        } else {
            this._oldX = this._stateX;
        }
    }

    public touchEnd(touch: EventTouch) {
        this._stateX = 0;
        this.ontouch = false;
    }

    public touchCancel(touch: EventTouch) {
        this._stateX = 0;
        this.ontouch = false;
    }

    private _updateCharacter(dt: number) {

        
        this.node.position = new Vec3(this.node.position.x + this._stateX/6000 * dt, this.node.position.y, this.node.position.z - this._speed * dt);
        this.Camera.node.position = new Vec3(this.Camera.node.position.x, this.Camera.node.position.y, this.Camera.node.position.z - this._speed * dt);

    }



    update(dtS: number) {

        if(this.ontouch)
        {
            const dt = 1000 / constant.GAME_FRAME;
            this._updateCharacter(dt);
        }

    }
}