when float is less then zero, do action once

Question

I'm making a game where time slows down when you aim. There's a timer so that you can't aim forever. When the timer goes off, I want the gun to move to the right once, but I can't seem to figure it out.

I'm fairly new to Unity, so any help would be appreciated.

Here's the code:

 public float currentAim;
 public float aimWait;
 public bool gunAiming;
 public bool gunTimeout;
 public bool gunMoved;
 public bool gunMovedTrue;

  void Start()
 {
     currentAim = maxAim;
     gunAiming = false;

     aimWait = 1f;

     gunMoved = false;
 }

 // Update is called once per frame
 void Update()
 {
     if(Input.GetKeyDown(KeyCode.Mouse0))
     {
         Shoot();
     }

     if(currentAim <= 0 && gunMovedTrue)
     {
         gunMoved = true;
         gunMovedTrue = false;
     }
     else
     {
         gunMoved = false;
     }

     if(currentAim <= 0)
     {
         //make guntimeout always true
         gunTimeout = true;

         //make gunmoved true once and then false
       //  gunMoved = true;
     }
     else
     {
         gunTimeout = false;
         gunMoved = false;
     }

     if(gunTimeout)
     {
         gunMovedTrue = true;
     }

     if(Input.GetKeyDown(KeyCode.Mouse1))
     {
         gun.transform.Translate(Vector3.right);
         gunAiming = true;
     }

     if (Input.GetKeyUp(KeyCode.Mouse1))
     {
         gun.transform.Translate(Vector3.left);
         gunAiming = false;
     }

     Aim();

     if (Input.GetKey(KeyCode.Mouse1))
     {
         gunAiming = true;
     }
     else
     {
         gunAiming = false;
     }

     
 }

 void Aim()
 {
     if (gunAiming)
     {
         if (gunTimeout)
         {
             if (gunMoved)
             {
                 gun.transform.Translate(Vector3.left);
                 gunMoved = false;
             }
             else
             {
                 Time.timeScale = 1f;
                 camera.fieldOfView = 60;
             }
         }
         else
         {
                 Time.timeScale = 0.1f;
                 camera.fieldOfView = 45;
                 currentAim -= Time.deltaTime * 10;
         }



     }

Answer 1

Answer by sacredgeometry · Dec 28, 2020 at 06:57 PM

You could do it a few ways. I would use c#s events/ delegates personally but the easiest way I can think of is just to add it to the property setter.

i.e.

 public bool GunTimeout;
 
 private float _currentAim = MaxAim;
 public float CurrentAim 
 {
     get 
     {
         return currentAim;
     }
     set
     {
         GunTimeout = value <= 0.0f;
         _currentAim = value;
     }
 }

This way every time you set the CurrentAim to another value it updates the GunTimout bool with the correct value.

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lsugzdinis · Dec 28, 2020 at 07:10 PM 0

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Which function is that in?

sacredgeometry lsugzdinis · Dec 28, 2020 at 07:15 PM 0

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I am not sure what you mean. I haven't written a function. I have just written a field and a field backed property.

lsugzdinis sacredgeometry · Dec 28, 2020 at 07:34 PM 0

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now unity just crashes when I hit play

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when float is less then zero, do action once

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