how to display a gui message when collision occurs between two objects

Question

Pls help! How do I display a GUI message from the above script...I want to be able to see a "Collision!!!" message in GUI when the collision occurs...pls how do I go about that?. This is the code I used to detect collisions, it plays a sound when my game character tagged as player hits a cube tagged as Enemy...thanks in advance.

 function OnControllerColliderHit (hit : ControllerColliderHit)
 {
 if (hit.gameObject.tag == "Enemy")
 {
 audio.PlayOneShot (impact);
 }
 }

Answer 1

Best Answer

Answer by OrbitSoft · Jan 07, 2014 at 07:05 PM

First you need a bool to tell the GUI function if it has to display.

 var enemyCollision : boolean = false;
 
 function OnControllerColliderHit (hit : ControllerColliderHit)
 {
   if (hit.gameObject.tag == "Enemy")
   {
     audio.PlayOneShot (impact);
     enemyCollision = true;
   } else 
   {
     enemyCollision = false;
   }
 }
 
 function OnGUI() // OnGUI is called twice per frame
 {
   if (enemyCollision)
   {
     GUI.Label(Rect(50,50,100,25), "Collision!!!");
   }
 }

The values in "Rect(..)" mean: (x,y,width,height). (x and y in pixels from left up corner of the screen).

Check the unity docs here for more info about GUI functions.

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leke · Jan 07, 2014 at 08:34 PM 0

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Thanks for ghe replies guys but it didn't work...I'm so confused cos everytin luks ok and the code compiled well...pls any other alternatives?

leke · Jan 07, 2014 at 08:52 PM 0

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It works!!!! I removed the else statement and replaced the GUI.Label with GUI.Box and it works fine now!....Thanks guys!

how to display a gui message when collision occurs between two objects

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