Method setXY

packages/fairygui/src/core/GObject.ts:148–167

* Set position * 设置位置

(xv: number, yv: number)

     * 设置位置
     */
    public setXY(xv: number, yv: number): void {
        if (this._x !== xv || this._y !== yv) {
            const dx = xv - this._x;
            const dy = yv - this._y;
            this._x = xv;
            this._y = yv;

            this.handleXYChanged();

            this.updateGear(1);

            if (this._parent) {
                this._parent.setBoundsChangedFlag();
                if (this._group) {
                    this._group.setBoundsChangedFlag(true);
                }
                this.emit(FGUIEvents.XY_CHANGED);
            }
        }
    }

    public get xMin(): number {
        return this._pivotAsAnchor ? this._x - this._width * this._pivotX : this._x;