对 observer 做一些样式上的计算

每一个 floorplanObserver 对应一个 observer

floorplanObserver 和 observer 在自身数组中的索引坐标应该是相同的

interface FloorplanObserver {
    floorIndex: number;
    index: number;
    position: FloorplanPosition;
    positionInImage: FloorplanImagePosition;
    styledFloorplanPositionInImage?: {
        guide: FloorplanImagePosition;
        miniMapFill: FloorplanImagePosition;
    };
}

Properties

floorIndex: number
index: number
positionInImage: FloorplanImagePosition
styledFloorplanPositionInImage?: {
    guide: FloorplanImagePosition;
    miniMapFill: FloorplanImagePosition;
}