holopy3/Assets/SteamVR/InteractionSystem/Core/Scripts/LinearAudioPitch.cs
2020-12-10 15:25:12 +01:00

58 lines
1.2 KiB
C#

//======= Copyright (c) Valve Corporation, All rights reserved. ===============
//
// Purpose: Changes the pitch of this audio source based on a linear mapping
// and a curve
//
//=============================================================================
using UnityEngine;
using System.Collections;
namespace Valve.VR.InteractionSystem
{
//-------------------------------------------------------------------------
public class LinearAudioPitch : MonoBehaviour
{
public LinearMapping linearMapping;
public AnimationCurve pitchCurve;
public float minPitch;
public float maxPitch;
public bool applyContinuously = true;
private AudioSource audioSource;
//-------------------------------------------------
void Awake()
{
if ( audioSource == null )
{
audioSource = GetComponent<AudioSource>();
}
if ( linearMapping == null )
{
linearMapping = GetComponent<LinearMapping>();
}
}
//-------------------------------------------------
void Update()
{
if ( applyContinuously )
{
Apply();
}
}
//-------------------------------------------------
private void Apply()
{
float y = pitchCurve.Evaluate( linearMapping.value );
audioSource.pitch = Mathf.Lerp( minPitch, maxPitch, y );
}
}
}