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Question by omaimah · Aug 13, 2017 at 09:20 AM · c#game development

I want to increase the health bar when I press a button.

Hi, I am a beginner in unity and I have this code that makes the health bar goes down with time and I don't know how to make it refill when i press a button (UI Image ) without changing the code. thanks for answering alt textall help is appreciated.

hb.png (17.8 kB)
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Answer by as30050273 · Aug 13, 2017 at 09:27 AM

In Update() add this:

if(Input.GetKeyDown(KeyCode.R)){ playerHealth = 1; bar.fillAmount = playerHealth; }

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avatar image omaimah · Aug 14, 2017 at 06:00 AM 0
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Hi,I am making my game for android so I'm using buttons (on click) @as30050273

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Answer by carlos170586001500 · Aug 14, 2017 at 06:07 AM

 if(Input.GetKeyDown(KeyCode.Space)){
     //Your Code
     //https://docs.unity3d.com/ScriptReference/KeyCode.html
 }

OR

 if(Input.GetKeyDown("space")){
     //Your Code
    https://docs.unity3d.com/ScriptReference/Input.GetKeyDown.html
 }

Or with buttons:

 public class TaskIcon : MonoBehaviour,IPointerClickHandler{
     public float Health;
     public void OnPointerClick(PointerEventData eventData){
         //code
     }
 }

Or with the UI Component Button https://docs.unity3d.com/ScriptReference/UI.Button.html

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avatar image omaimah · Aug 14, 2017 at 08:27 AM 0
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Should I put it on Health bar or on the button I did it on the button but I can't call or enter the health bar script, can you explain what you did if you please.
@carlos170586001500

avatar image carlos170586001500 omaimah · Aug 15, 2017 at 02:28 PM 0
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Its pretty simple: Create a Button (GameObject Tab ->UI -> Button)

Add an new script to the button: using UnityEngine; using UnityEngine.EventSystems; public class NewButton: $$anonymous$$onoBehaviour,IPointerClickHandler{ public PlayerBar1 PlayerBar1; public void OnPointerClick(PointerEventData eventData){ Debug.Log("OnPointerClick Event: Health Bar"); PlayerBar1.ResetHealth(1f); } }

Add to PlayerBar1 Script the ResetHealth function: public void ResetHealth(float h){ Debug.Log("ResetHealth Function"); bar.fillAmount=h; playerHealth =h; }

Test the script and press the button, if you see in Console "OnPointerClick Event: Health Bar" the button work.

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