And the way area can be calculated for rect obj is.

然后我们就可以这样调用计算它的面积了。

Rect - The Area Light emitter has a rectangular shape.

矩形-区域灯光发射体呈矩形。

Can fabricate and joint together either bent or rect. pipe.

无论弯头、方管还是圆管都可制作接合。

One of the regions and them get the RECT array the is used to created the region.

一个地区和他们获得的矩形阵列用于创建的地区。

Point and RECT are safe as they contain no Pointers or references to data stored in memory.

点和矩形是安全的，因为它们不包含指针或内存中存储的数据参考。