Retrieving componants and comparing with another

Questions & Answers
1

Hi all, i was wondering if anyone could help me go about retrieving componants from a target object and comparing it with another referenced object. I have noticed the getComponents() method, but i keep getting errors when implementing it. My aim is to retrieve the components of one object as a list/array , that way i can dynamically change them at runtime, as in swap components between the seperate objects.

Thanks

2

If you want to copy components from a gameobject to another you’ll have to use Reflection:

   //foreach component in source    
   foreach (Component original in source.GetComponents<Component>() )
   {    
     //if not transform (not to be copied)
     if (original.GetType() != typeof(Transform))
     {
       //adds component
       Component copied = target.AddComponent(original.GetType()); 

       //gets fields
       foreach (FieldInfo info in original.GetType().GetFields()) 
       { 
         //and copies fields
         info.SetValue(copied, info.GetValue(original)); 
       }
     } 
   }

and add “using System.Reflection;” at the top of your code

3

You will need to overload the == operator, or provide some other method for comparison. Out of the box Unity compares components by checking if the references are equal.