# What am I doing wrong here?

**URL:** <https://qa.fmod.com/t/what-am-i-doing-wrong-here/19127>\
**Category:** Unity\
**Created:** [August 13, 2022, 11:14pm UTC](https://qa.fmod.com/t/what-am-i-doing-wrong-here/19127 "2022-08-13T23:14:37Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![mtkush](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mtkush/32/3863_2.png) [@mtkush](https://qa.fmod.com/u/mtkush)\
**Post date:** [August 13, 2022, 11:14pm UTC](https://qa.fmod.com/t/what-am-i-doing-wrong-here/19127/1 "2022-08-13T23:14:37Z")

</div>

I am a novice to C#

PICS

[![Imgur](https://i.imgur.com/sKn2udr.png "Imgur: The magic of the Internet") ](https://imgur.com/sKn2udr)

CODE

using System.Collections;  
using System.Collections.Generic;  
using UnityEngine;  
using Unity.UI;  
using HDProDesignCarEngineSoundFusion;  
using FMOD;  
using FMODUnity;

public class EngineSoundMapper : MonoBehaviour  
{

```
[Header("CarSFX")]
FMOD.Studio.PARAMETER_ID RPMID;
FMOD.Studio.PARAMETER_ID LoadID;
FMOD.Studio.PARAMETER_ID TurboID;
FMOD.Studio.PARAMETER_ID TurboBlowOffID;
FMOD.Studio.PARAMETER_ID BackFireID;
FMOD.Studio.PARAMETER_ID Boost;

[SerializeField] StudioEventEmitter Engine_01_RPM;
public FMOD.Studio.EventInstance instance;
[SerializeField]
//FMODUnity.EventReference Engine_01_RPM;
[Range(0f, 10000f)]
public float carrpm;    
public bool cargas;
public float HDenginegas;
public float HDengineLoad;
public float HPvalue;
public SoundCombiner sound;
public race_hud Race;
public GameObject Car;
public GameObject bot;
// Start is called before the first frame update

public void Start()
{
    sound = gameObject.GetComponent<SoundCombiner>();
    Race = FindObjectOfType<race_hud>();
    Car = Race.car;
    HPvalue = Car.GetComponent<car>().HP;
    carrpm = Race.rpm;

    FMOD.Studio.PARAMETER_DESCRIPTION paramDescription;

    Engine_01_RPM.EventDescription.getParameterDescriptionByName("RPM", out paramDescription);
    RPMID = paramDescription.id;

    Engine_01_RPM.EventDescription.getParameterDescriptionByName("Load", out paramDescription);
    LoadID = paramDescription.id;

    Engine_01_RPM.EventDescription.getParameterDescriptionByName("Turbo", out paramDescription);
    TurboID = paramDescription.id;

    Engine_01_RPM.EventDescription.getParameterDescriptionByName("TurboBlowOff", out paramDescription);
    TurboBlowOffID = paramDescription.id;

    Engine_01_RPM.EventDescription.getParameterDescriptionByName("BackFire", out paramDescription);
    BackFireID = paramDescription.id;

    Engine_01_RPM.EventDescription.getParameterDescriptionByName("Boost", out paramDescription);
    Boost = paramDescription.id;

    Engine_01_RPM.SetParameter(RPMID, Race.rpm);
    Engine_01_RPM.SetParameter(LoadID, 1);

}
public void Update()
{
    //Base engine sounds
    Engine_01_RPM.SetParameter(RPMID, carrpm);
    Engine_01_RPM.SetParameter(LoadID, HPvalue);
}

////Additional turbo sound
//void UpdateTurbo()
//{
// EngineEmitter.SetParameter(TurboID, Car.);
// if (Car.CurrentTurbo > 0.2f && (Car.CurrentAcceleration < 0.2f || Car.InChangeGear) && ((Time.realtimeSinceStartup - LastBlowOffTime) > MinTimeBetweenBlowOffSounds))
// {
// EngineEmitter.SetParameter(TurboBlowOffID, 0);
// EngineEmitter.SetParameter(TurboBlowOffID, Car.CurrentTurbo);
// LastBlowOffTime = Time.realtimeSinceStartup;
// }
//}

////Additional boost sound
//void UpdateBoost()
//{
// EngineEmitter.SetParameter(Boost, Car.InBoost ? 1 : 0);
//}

//void OnBackFire()
//{
// EngineEmitter.SetParameter(BackFireID, Random.Range(0.1f, 1f));
// EngineEmitter.SetParameter(BackFireID, 0);
}

```

---

<div class="post-metadata">

**Author:** ![mtkush](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mtkush/32/3863_2.png) [@mtkush](https://qa.fmod.com/u/mtkush)\
**Post date:** [August 14, 2022, 9:42pm UTC](https://qa.fmod.com/t/what-am-i-doing-wrong-here/19127/2 "2022-08-14T21:42:51Z")

</div>

Fixed. The float i was setting param “RPM” with was out of range.