Initial commit

Assets/UnityTechnologies/EffectExamples/Shared/Scripts/ExtinguishableFire.cs

@@ -0,0 +1,86 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+/// <summary>
+/// This simulate an extinguishable fire, 
+/// </summary>
+public class ExtinguishableFire : MonoBehaviour
+{
+    public ParticleSystem fireParticleSystem;
+    public ParticleSystem smokeParticleSystem;
+
+    protected bool m_isExtinguished;
+
+    const float m_FireStartingTime = 2.0f;
+
+    private void Start()
+    {
+        m_isExtinguished = true;
+
+        smokeParticleSystem.Stop();
+        fireParticleSystem.Stop();
+
+        StartCoroutine(StartingFire());
+    }
+
+    public void Extinguish()
+    {
+        if (m_isExtinguished)
+            return;
+
+        m_isExtinguished = true;
+        StartCoroutine(Extinguishing());
+    }
+
+    IEnumerator Extinguishing()
+    {
+        fireParticleSystem.Stop();
+        smokeParticleSystem.time = 0;
+        smokeParticleSystem.Play();
+
+        float elapsedTime = 0.0f;
+        while (elapsedTime < m_FireStartingTime)
+        {
+            float ratio = Mathf.Max(0.0f, 1.0f - (elapsedTime / m_FireStartingTime));
+
+            fireParticleSystem.transform.localScale = Vector3.one * ratio;
+
+            yield return null;
+
+            elapsedTime += Time.deltaTime;
+        }
+
+        yield return new WaitForSeconds(2.0f);
+
+        smokeParticleSystem.Stop();
+        fireParticleSystem.transform.localScale = Vector3.one;
+
+        yield return new WaitForSeconds(4.0f);
+
+        StartCoroutine(StartingFire());
+    }
+
+    IEnumerator StartingFire()
+    {
+        smokeParticleSystem.Stop();
+        fireParticleSystem.time = 0;
+        fireParticleSystem.Play();
+
+        float elapsedTime = 0.0f;
+        while (elapsedTime < m_FireStartingTime)
+        {
+            float ratio = Mathf.Min(1.0f, (elapsedTime / m_FireStartingTime));
+
+            fireParticleSystem.transform.localScale = Vector3.one * ratio;
+
+            yield return null;
+
+            elapsedTime += Time.deltaTime;
+        }
+
+        fireParticleSystem.transform.localScale = Vector3.one;
+        m_isExtinguished = false;
+    }
+}