import { Texture2D } from 'cc';
import { Enum } from 'cc';
import { rect } from 'cc';
import { Sprite } from 'cc';
import { _decorator, Component } from 'cc';
const { ccclass, property } = _decorator;

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

    @property
    moveSpeedX = 0;

    @property
    moveSpeedY = 0;

    @property({ type: Enum(Texture2D.WrapMode) })
    wrapMode = Texture2D.WrapMode.REPEAT;

    private _sprite: Sprite;
    private _rect = rect();
    private _currentWrapMode: number;

    getRect() {
        return this._rect;
    }

    onLoad() {
        this._sprite = this.getComponent(Sprite);
        if (!this._sprite) {
            let tempStr = "获取Sprite失败";
            throw new Error(tempStr);
        }
        this._rect.set(this._sprite.spriteFrame.rect);
        this._sprite.spriteFrame.packable = false;
    }

    update(dt: number) {
        if (this._currentWrapMode !== this.wrapMode) {
            this._currentWrapMode = this.wrapMode;
            this._sprite.spriteFrame.texture.setWrapMode(this.wrapMode, this.wrapMode);
        }
        this._rect.x += this.moveSpeedX * dt;
        this._rect.y += this.moveSpeedY * dt;

        this._sprite.spriteFrame.rect = this._rect;
        this._sprite.markForUpdateRenderData();
    }

}