Using Arrays Properly in Unity3d

Questions & Answers
1

I’m having trouble doing something that should be very simple and thus I’m here.
What I’m trying to accomplish is create an array of booleans values.

For instance status ailments
Poison=1
Paralysis=0

However every attempt to do so results in errors from the compiler.

`

var Resistances=new Array();//a list of all current resistances.
var Resistances[“Weak”]=0;
var Resistances[“Resist”]=0;
var Resistances[“Wound”]=0;
var Resistances[“Paralysis”]=0;

`

Any help would be greatly appreciated in solving this problem.

3

What you need is a Dictionary or Hashtable also known as associative array.

That’s actually no arrays in the traditional sense. Keep in mind you’re not using JScript in Unity. UnityScript is also a compiled language. Dynamic objects are not supported my .NET / Mono.

In your case i would use a Dictionary. You need to include the “System.Collections.Generic” namespace to use it.

import System.Collections.Generic;

// ...
var Resistances = new Dictionary.<String,boolean>();
Resistances.Add("Weak",false);
Resistances.Add("Resist",false);
Resistances.Add("Wound",false);
Resistances.Add("Paralysis",false);

The values are not auto generated, but once they are added you can use them like an associative array:

Debug.Log(Resistances["Weak"]);
Resistances["Weak"] = true;
Debug.Log(Resistances["Weak"]);
2

Have a look at the scripting reference. You can use arr.Push(object) to add a value to the array. Btw you say boolean… You should use true and false then instead of 1 and 0. Also, leave out the “var” when assigning values.

4

Wiki-post I found very helpful when trying to decide which approach (array, list, dictionary) to use:

Greetz, Ky.