How to slowly decrease health script?

Question

I have been looking for a script to slowly decrease the health of a player. (e.g when in a fire environment)

I currently have a basic script that will display the health bar, can anyone help me create a script to gradually reduce the players health?

var health100 : Texture2D; var health95 : Texture2D; var health90 : Texture2D; var health85 : Texture2D; var health80 : Texture2D; var health75 : Texture2D; var health70 : Texture2D; var health65 : Texture2D; var health60 : Texture2D; var health55 : Texture2D; var health50 : Texture2D; var health45 : Texture2D; var health40 : Texture2D; var health35 : Texture2D; var health30 : Texture2D; var health25 : Texture2D; var health20 : Texture2D; var health15 : Texture2D; var health10 : Texture2D; var health5 : Texture2D; var health0 : Texture2D;

var LIVES = 21;

function Update () { switch(LIVES) { case 21: guiTexture.texture = health100; break;

      case 20:
          guiTexture.texture = health95;
          break;

      case 19:
          guiTexture.texture = health90;
          break; 

      case 18:
          guiTexture.texture = health85;
          break;

      case 17:
          guiTexture.texture = health80;
          break;

      case 16:
          guiTexture.texture = health75;
          break;

      case 15:
          guiTexture.texture = health70;
          break;

      case 14:
          guiTexture.texture = health65;
          break; 

      case 13:
          guiTexture.texture = health60;
          break;

      case 12:
          guiTexture.texture = health55;
          break;  

      case 11:
          guiTexture.texture = health50;
          break;

      case 10:
          guiTexture.texture = health45;
          break;

      case 9:
          guiTexture.texture = health40;
          break;

      case 8:
          guiTexture.texture = health35;
          break; 

      case 7:
          guiTexture.texture = health30;
          break;

      case 6:
          guiTexture.texture = health25;
          break;

      case 5:
          guiTexture.texture = health20;
          break;

      case 4:
          guiTexture.texture = health15;
          break;  

      case 3:
          guiTexture.texture = health10;
          break; 

      case 2:
          guiTexture.texture = health5;
          break;

      case 1:
          //gameover script here
          break;  
  }

}

EDIT***

After looking around some more I have come across a thread that seems relevant to what I want. But the problem Im having is combining the first script with the new one?

Slow Damage Over Time Script

Answer 1

Answer by Justin Warner · May 18, 2011 at 01:15 AM

Just subtract a life when player is in the fire... Check again in 3 seconds, and keep subtracting... Pretty easy.

Save the time, compare it with the refreshed time, but add 5 to the saved time, then that'll make it every 5 seconds...

Look around, easy.

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Answer 2

Answer by Dreamer · May 18, 2011 at 01:39 AM

I think what Ben wants is a health bar system replace of changing 21 pictures manually to represent current health.

Refer to below example of how to make a health bar:

http://answers.unity3d.com/questions/4456

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Answer 3

Answer by Ben 39 · May 20, 2011 at 12:15 AM

How would I use this code with the code above. Ive tried simply attaching the script to the player and tagging a sphere collider "Fire", but the code still does not work...any suggestions?

thanks for your help

 function OnTriggerStay(collisionInfo : Collider){
   if(collisionInfo.gameObject.tag == "Fire"){
   Health-=FireDamage*Time.deltaTime *1;
   enable = false;
   yield WaitForSeconds(1);
   enabled = true;
   }
  }
 }

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How to slowly decrease health script?

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