Method hitTestInChildren

packages/fairygui/src/core/GRoot.ts:436–452

(container: GComponent, stageX: number, stageY: number)

    }

    private hitTestInChildren(container: GComponent, stageX: number, stageY: number): GObject | null {
        const count = container.numChildren;
        for (let i = count - 1; i >= 0; i--) {
            const child = container.getChildAt(i);
            if (!child.visible || !child.touchable) continue;

            const local = child.globalToLocal(stageX, stageY);
            if (local.x >= 0 && local.x < child.width && local.y >= 0 && local.y < child.height) {
                if (child instanceof GComponent) {
                    const deeper = this.hitTestInChildren(child, stageX, stageY);
                    if (deeper) return deeper;
                }
                return child;
            }
        }
        return null;
    }

    public onMouseDown(data: IInputEventData): void {
        this._touchTarget = this.hitTest(data.stageX, data.stageY);