Method setErrorState

packages/fairygui/src/widgets/GLoader.ts:473–489

* Set error state and show error sign * 设置错误状态并显示错误标志

()

     * 设置错误状态并显示错误标志
     */
    private setErrorState(): void {
        if (!this._showErrorSign) return;

        if (!this._errorSign) {
            const errorSignUrl = getUIConfig('loaderErrorSign');
            if (errorSignUrl) {
                this._errorSign = GLoader._errorSignPool.getObject(errorSignUrl);
            }
        }

        if (this._errorSign) {
            this._errorSign.setSize(this.width, this.height);
            if (this._displayObject && this._errorSign.displayObject) {
                this._displayObject.addChild(this._errorSign.displayObject);
            }
        }
    }

    /**
     * Clear error state