Rect GetRectDisplay()
{
Rect rc = Rect.zero;
float x, y, w, h;
Vector2 sizeCanvas = AppSceneBase.main.sizeCanvas;
float height_topbar_world = Common.CanvasToWorldHeight(mainCam, sizeCanvas, height_topbar_canvas) + Device.offsetTopWorld;
Vector2 szWorld = Common.GetWorldSize(mainCam);
float ratio = 0.9f;
w = (szWorld.x - uiBoard.GetWorldLineWidth() * 2) * ratio;
h = (szWorld.y - height_topbar_world - Device.offsetBottomWithAdBannerWorld);
rc.width = w;
rc.height = h;
rc.x = -w / 2;
rc.y = -szWorld.y / 2 + Device.offsetBottomWithAdBannerWorld;
return(rc);
}