CocosCreator - Mover objeto

MoveIt.ts

import { _decorator, Component, input, Input, Vec3, EventKeyboard, KeyCode } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('PlayerController')
export class PlayerController extends Component {
    @property
    public moveSpeed: number = 100;

    private _direction: Vec3 = new Vec3();

    onLoad() {
        input.on(Input.EventType.KEY_DOWN, this.onKeyDown, this);
        input.on(Input.EventType.KEY_UP, this.onKeyUp, this);


    }

    onDestroy() {
        input.off(Input.EventType.KEY_DOWN, this.onKeyDown, this);
        input.off(Input.EventType.KEY_UP, this.onKeyUp, this);
    }

    onKeyDown(event: EventKeyboard) {
        switch(event.keyCode) {
            case KeyCode.ARROW_LEFT:
            case KeyCode.KEY_A:
                this._direction.x = -1;
                break;
            case KeyCode.ARROW_RIGHT:
            case KeyCode.KEY_D:
                this._direction.x = 1;
                break;
            case KeyCode.ARROW_UP:
            case KeyCode.KEY_W:
                this._direction.y = 1;
                break;
            case KeyCode.ARROW_DOWN:
            case KeyCode.KEY_S:
                this._direction.y = -1;
                break;
        }
    }

    onKeyUp(event: EventKeyboard) {
        switch(event.keyCode) {
            case KeyCode.ARROW_LEFT:
            case KeyCode.KEY_A:
            case KeyCode.ARROW_RIGHT:
            case KeyCode.KEY_D:
                this._direction.x = 0;
                break;
            case KeyCode.ARROW_UP:
            case KeyCode.KEY_W:
            case KeyCode.ARROW_DOWN:
            case KeyCode.KEY_S:
                this._direction.y = 0;
                break;
        }
    }

    update(deltaTime: number) {
        if (this._direction.length()) {
            let deltaMove = new Vec3(this._direction.x * this.moveSpeed * deltaTime,
                                     this._direction.y * this.moveSpeed * deltaTime, 0);
            let newPosition = this.node.position.add(deltaMove);
            this.node.setPosition(newPosition);
        }
    }
}