using System.Collections;
|
using System.Collections.Generic;
|
using UnityEngine;
|
|
namespace MoreMountains.NiceVibrations
|
{
|
/// <summary>
|
/// This class lets you output the value corresponding to one of the basic signal types it contains. Useful to draw basic signal curves.
|
/// </summary>
|
public class MMSignal : MonoBehaviour
|
{
|
public enum SignalType
|
{
|
DigitalNoise,
|
Pulse,
|
Sawtooth,
|
Sine,
|
Square,
|
Triangle,
|
WhiteNoise
|
}
|
|
/// <summary>
|
/// Returns the corresponding value based on the selected SignalType for a given time value
|
/// </summary>
|
/// <param name="time"></param>
|
/// <param name="signalType"></param>
|
/// <param name="phase"></param>
|
/// <param name="amplitude"></param>
|
/// <param name="frequency"></param>
|
/// <param name="offset"></param>
|
/// <param name="Invert"></param>
|
/// <returns></returns>
|
public static float GetValue(float time, SignalType signalType, float phase, float amplitude, float frequency, float offset, bool Invert = false)
|
{
|
float value = 0f;
|
float invert = Invert ? -1 : 1;
|
float t = frequency * time + phase;
|
|
switch (signalType)
|
{
|
case SignalType.Sine:
|
value = (float)Mathf.Sin(2f * Mathf.PI * t);
|
break;
|
case SignalType.Square:
|
value = Mathf.Sign(Mathf.Sin(2f * Mathf.PI * t));
|
break;
|
case SignalType.Triangle:
|
value = 1f - 4f * (float)Mathf.Abs(Mathf.Round(t - 0.25f) - (t - 0.25f));
|
break;
|
case SignalType.Sawtooth:
|
value = 2f * (t - (float)Mathf.Floor(t + 0.5f));
|
break;
|
case SignalType.Pulse:
|
value = (Mathf.Abs(Mathf.Sin(2 * Mathf.PI * t)) < 1.0 - 10E-3) ? (0) : (1);
|
break;
|
case SignalType.WhiteNoise:
|
value = 2f * Random.Range(0,int.MaxValue) / int.MaxValue - 1f;
|
break;
|
case SignalType.DigitalNoise:
|
value = Random.Range(0,2);
|
break;
|
}
|
|
return (invert * amplitude * value + offset);
|
}
|
}
|
}
|
