import { Camera, Vec3 } from "cc";

export class CameraManager {
    private static _instance: CameraManager;
    public static get instance(): CameraManager {
        if (!this._instance) {
            this._instance = new CameraManager();
        }
        return this._instance;
    }

    private _camera: Camera;
    private _defaultHeight: number;

    setCamera(camera: Camera) {
        this._camera = camera;
        this._defaultHeight = this._camera.orthoHeight;
    }

    reset() {
        this._camera.orthoHeight = this._defaultHeight;
        this._camera.node.setPosition(Vec3.ZERO);
    }

    moveToPos(worldPosition: Vec3, hight: number = 0) {
        this._camera.orthoHeight = hight;
        this._camera.node.setWorldPosition(worldPosition);
    }

    moveToTarget(target: Node, hight: number = 0) {

    }

}