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CrowdControl/Assets/Feel/MMTools/Tools/MMParticles/MMRuntimeParticleControl.cs

107 lines
3.3 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
using Unity.Collections;
using UnityEngine;
namespace MoreMountains.Tools
{
/// <summary>
/// Add this class to a particle system at runtime, and it'll expose controls to play/pause/stop it from the inspector
/// Because Unity's built-in controls somehow lack pause when in play mode
/// </summary>
[RequireComponent(typeof(ParticleSystem))]
public class MMRuntimeParticleControl : MonoBehaviour
{
/// <summary>
/// The possible modes for the tracker :
/// Basic will work with the main module's duration
/// ForcedBounds lets you specify within which bounds the slider should move
/// </summary>
public enum TrackerModes { Basic, ForcedBounds }
[Header("Base Controls")]
/// a test button to play the associated particle system
[MMInspectorButton("Play")] public bool PlayButton;
/// a test button to pause the associated particle system
[MMInspectorButton("Pause")] public bool PauseButton;
/// a test button to stop the associated particle system
[MMInspectorButton("Stop")] public bool StopButton;
[Header("Simulate")]
/// the timestamp at which to go when pressing the Simulate button
public float TargetTimestamp = 1f;
/// a test button to move the associated particle system to the specified timestamp
[MMInspectorButton("Simulate")] public bool FastForwardToTimeButton;
[Header("Tracker")]
/// the selected tracker mode
public TrackerModes TrackerMode = TrackerModes.Basic;
/// when in ForcedBounds mode, the value to which the slider's lowest bound should be remapped
[MMEnumCondition("TrackerMode", (int)TrackerModes.ForcedBounds)]
public float MinBound;
/// when in ForcedBounds mode, the value to which the slider's highest bound should be remapped
[MMEnumCondition("TrackerMode", (int)TrackerModes.ForcedBounds)]
public float MaxBound;
/// a slider used to move the particle system through time at runtime
[Range(0f, 1f)]
public float Tracker;
[MMReadOnly]
public float Timestamp;
protected ParticleSystem _particleSystem;
protected ParticleSystem.MainModule _mainModule;
/// <summary>
/// On Awake we grab our components
/// </summary>
protected virtual void Awake()
{
_particleSystem = this.GetComponent<ParticleSystem>();
_mainModule = _particleSystem.main;
}
/// <summary>
/// Plays the particle system
/// </summary>
protected virtual void Play()
{
_particleSystem.Play();
}
/// <summary>
/// Pauses the particle system
/// </summary>
protected virtual void Pause()
{
_particleSystem.Pause();
}
/// <summary>
/// Stops the particle system
/// </summary>
protected virtual void Stop()
{
_particleSystem.Stop();
}
/// <summary>
/// Moves the particle system to the specified timestamp
/// </summary>
protected virtual void Simulate()
{
_particleSystem.Simulate(TargetTimestamp, true, true);
}
/// <summary>
/// On validate, moves the particle system to the chosen timestamp along the track
/// </summary>
protected void OnValidate()
{
float minBound = (TrackerMode == TrackerModes.Basic) ? 0f : MinBound;
float maxBound = (TrackerMode == TrackerModes.Basic) ? _mainModule.duration : MaxBound;
Timestamp = MMMaths.Remap(Tracker, 0f, 1f, minBound, maxBound);
_particleSystem.Simulate(Timestamp, true, true);
}
}
}