C# utilities functions in other script

Questions & Answers
1

I’d like to create some utilities functions that can be access from other c# scripts, but can’t figure out how to access them. I’m used to programming in c++ and those approaches don’t seem to work.

For instance, I’d like to have the following function in a utilities.cs file:

public float map(float s, float a1, float a2, float b1, float b2){
     return b1 + (s-a1)*(b2-b1)/(a2-a1);
}

Then in all of my other c# files I’d like to be able to just call that function as if it was part of unity… such as:

float temp = map(10,0,20,10,50);

How can this be done?

2

Create a static class, with static methods…

public static class Tools
{
  public static float Map(float s)
  {
     // TODO : your code here...
  }
}

To call it, reference the class name and the method…

float temp = Tools.Map(10);

You have to make it static or you must create an instance of the class and have a reference to that in order to call non-static methods.