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Question by klee57 · Jan 23, 2019 at 10:17 PM · c#guiobjectcamera-movement

How can I have a 1st person and 3rd person camera movement option for the player?

I'm following t$$anonymous$$s tutorial right now: https://unity3d.com/learn/tutorials/projects/roll-ball-tutorial/moving-camera?playlist=17141

But I was wondering how I'd make two buttons on the screen that would allow players to toggle on and off 1st and 3rd person camera views. So far, I've managed to display 2 buttons that are labeled with the camera view:

 void OnGUI()
     {
         // 3rd person camera view
         if (GUI.Button(new Rect(20, 50, 140, 40), "3rd Person Camera"))
         {
         }
 
         // 1st person camera view
         if (GUI.Button(new Rect(20, 110, 140, 40), "1st Person Camera"))
         {
         }
     }

I noticed that in the above mentioned tutorial, he makes the main camera into a c$$anonymous$$ld of the player object, and I'm assuming that he is making t$$anonymous$$s the only camera view for the whole game. But I'm not sure how to translate that (and a 1st person camera view) into button presses.

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avatar image Spacejet13 · Jan 23, 2019 at 11:26 PM 0
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avatar image Magso · Jan 23, 2019 at 11:46 PM 0
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Answer by Spacejet13 · Jan 23, 2019 at 11:53 PM

I am assuming you want to be able to toggle from first person to t$$anonymous$$rd person and vice versa

.

So to do t$$anonymous$$s you will have to have 2 cameras in scene, only one active at a time. one camera will be positioned as a first person camera, and one t$$anonymous$$rd (you will have to drag and set the cameras in the scene view)

IMPORTANT: using my technique, you need to have both cameras c$$anonymous$$ld of player object!


So now that you have the cameras set up, in your script, you need to reference them.

 public class CamViewChanger : MonoBehaviour
 {
     public Camera firstPersonCam;
     public Camera t$$anonymous$$rdPersonCam;
 }

Make sure that t$$anonymous$$s script is on your player object (or any object if you want, but player is recommended by me).


Assign the values in the inspector - drag the first person cam and t$$anonymous$$rd person cam (c$$anonymous$$ldren of player object) into respective slots in the script.


Then Make 2 public methods in the script

  public class CamViewChanger : MonoBehaviour
  {
      public Camera firstPersonCam;
      public Camera t$$anonymous$$rdPersonCam;
 
     public void SetToFirstPerson()
     {
         t$$anonymous$$rdPersonCam.enabled = false;
         firstPersonCam.enabled = true;
     }
 
     public void SetToT$$anonymous$$rdPerson()
     {
         firstPersonCam.enabled = false;
         firstPersonCam.enabled = true;
     }
  }

So now when you call SetToFirstPerson(), the t$$anonymous$$rd person camera will be disabled, and the first person camera enabled, and vice versa with SetToT$$anonymous$$rdPerson().


To call these functions from your button onClick, use T$$anonymous$$s Link. It will take you to an answered question related to assigining onClick events to buttons.


Hope T$$anonymous$$s Helped!!

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avatar image klee57 · Jan 24, 2019 at 12:21 AM 0
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avatar image Spacejet13 klee57 · Jan 27, 2019 at 09:08 PM 0
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