Code Review
- ParticleSystemDestroyer.cs
- Utility /
- Standard Assets /
- Assets /
- project /
1 using System;
2 using System.Collections;
3 using UnityEngine;
4 using Random = UnityEngine.Random;
5
6 namespace UnityStandardAssets.Utility
7 {
8 public class ParticleSystemDestroyer : MonoBehaviour
9 {
10 // allows a particle system to exist for a specified duration,
11 // then shuts off emission, and waits for all particles to expire
12 // before destroying the gameObject
13
14 public float minDuration = 8;
15 public float maxDuration = 10;
16
17 private float m_MaxLifetime;
18 private bool m_EarlyStop;
19
20
21 private IEnumerator Start()
22 {
23 var systems = GetComponentsInChildren<ParticleSystem>();
24
25 // find out the maximum lifetime of any particles in this effect
26 foreach (var system in systems)
27 {
28 m_MaxLifetime = Mathf.Max(system.startLifetime, m_MaxLifetime);
29 }
30
31 // wait for random duration
32
33 float stopTime = Time.time + Random.Range(minDuration, maxDuration);
34
35 while (Time.time < stopTime || m_EarlyStop)
36 {
37 yield return null;
38 }
39 Debug.Log("stopping " + name);
40
41 // turn off emission
42 foreach (var system in systems)
43 {
44 var emission = system.emission;
45 emission.enabled = false;
46 }
47 BroadcastMessage("Extinguish", SendMessageOptions.DontRequireReceiver);
48
49 // wait for any remaining particles to expire
50 yield return new WaitForSeconds(m_MaxLifetime);
51
52 Destroy(gameObject);
53 }
54
55
56 public void Stop()
57 {
58 // stops the particle system early
59 m_EarlyStop = true;
60 }
61 }
62 }
2 using System.Collections;
3 using UnityEngine;
4 using Random = UnityEngine.Random;
5
6 namespace UnityStandardAssets.Utility
7 {
8 public class ParticleSystemDestroyer : MonoBehaviour
9 {
10 // allows a particle system to exist for a specified duration,
11 // then shuts off emission, and waits for all particles to expire
12 // before destroying the gameObject
13
14 public float minDuration = 8;
15 public float maxDuration = 10;
16
17 private float m_MaxLifetime;
18 private bool m_EarlyStop;
19
20
21 private IEnumerator Start()
22 {
23 var systems = GetComponentsInChildren<ParticleSystem>();
24
25 // find out the maximum lifetime of any particles in this effect
26 foreach (var system in systems)
27 {
28 m_MaxLifetime = Mathf.Max(system.startLifetime, m_MaxLifetime);
29 }
30
31 // wait for random duration
32
33 float stopTime = Time.time + Random.Range(minDuration, maxDuration);
34
35 while (Time.time < stopTime || m_EarlyStop)
36 {
37 yield return null;
38 }
39 Debug.Log("stopping " + name);
40
41 // turn off emission
42 foreach (var system in systems)
43 {
44 var emission = system.emission;
45 emission.enabled = false;
46 }
47 BroadcastMessage("Extinguish", SendMessageOptions.DontRequireReceiver);
48
49 // wait for any remaining particles to expire
50 yield return new WaitForSeconds(m_MaxLifetime);
51
52 Destroy(gameObject);
53 }
54
55
56 public void Stop()
57 {
58 // stops the particle system early
59 m_EarlyStop = true;
60 }
61 }
62 }
