不满足条件时返回值. [英] return value when condition is not met.

问题描述

我应该怎么做?

我正在计算向量和平面之间的交点.
返回值是Vector3D.

找到交点Vector3D是使用相应的交点坐标创建的，并返回到主函数.

但是我不知道当找不到交点时我应该返回什么. Vector3D.null不起作用.返回空"值的正确方法是什么?或未定义" Vector3D吗?

Sander.

How should I do this ?

I am calculating the intersection between a vector and a plane.
the return value is a Vector3D.

when an intersection is found the Vector3D is created with the corresponding intersection coordinates and returned to the main function.

But I don't know what I should return when no intersection is found. Vector3D.null doesn't work. What is the correct way of returning an "empty" or "undefined" Vector3D ?

Sander.

推荐答案

public Object MyMethod()
{
     return null;
}

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