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Assets/JMO Assets/WarFX/Scripts/CFX_LightIntensityFade.cs

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+using UnityEngine;
+using System.Collections;
+
+// Cartoon FX  - (c) 2015, Jean Moreno
+
+// Decreases a light's intensity over time.
+
+[RequireComponent(typeof(Light))]
+public class CFX_LightIntensityFade : MonoBehaviour
+{
+	// Duration of the effect.
+	public float duration = 1.0f;
+	
+	// Delay of the effect.
+	public float delay = 0.0f;
+	
+	/// Final intensity of the light.
+	public float finalIntensity = 0.0f;
+	
+	// Base intensity, automatically taken from light parameters.
+	private float baseIntensity;
+	
+	// If <c>true</c>, light will destructs itself on completion of the effect
+	public bool autodestruct;
+	
+	private float p_lifetime = 0.0f;
+	private float p_delay;
+	
+	void Start()
+	{
+		baseIntensity = GetComponent<Light>().intensity;
+	}
+	
+	void OnEnable()
+	{
+		p_lifetime = 0.0f;
+		p_delay = delay;
+		if(delay > 0) GetComponent<Light>().enabled = false;
+	}
+	
+	void Update ()
+	{
+		if(p_delay > 0)
+		{
+			p_delay -= Time.deltaTime;
+			if(p_delay <= 0)
+			{
+				GetComponent<Light>().enabled = true;
+			}
+			return;
+		}
+		
+		if(p_lifetime/duration < 1.0f)
+		{
+			GetComponent<Light>().intensity = Mathf.Lerp(baseIntensity, finalIntensity, p_lifetime/duration);
+			p_lifetime += Time.deltaTime;
+		}
+		else
+		{
+			if(autodestruct)
+				GameObject.Destroy(this.gameObject);
+		}
+		
+	}
+}