LightLurch ability

Makes the lurch glow.
Can increase and decrease light as well as emission if the special "LightUp" ability is used.

Assets/Scripts/TriggerEffects/DarkAmbience.cs

@@ -0,0 +1,63 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DarkAmbience : MonoBehaviour {
+
+    private float defaultEnvLightingIntensity, defaultEnfReflectionIntensity;
+    [SerializeField]
+    private float targetEnvLightingIntensity, targetEnfReflectionIntensity;
+    [SerializeField]
+    private float lerpSpeed;
+    [SerializeField]
+    private bool isDark = false;
+    private float t = 0;
+
+    // Use this for initialization
+    void Start () {
+        defaultEnvLightingIntensity = RenderSettings.ambientIntensity;
+        defaultEnfReflectionIntensity = RenderSettings.reflectionIntensity;
+    }
+	
+    public void SwitchDarkness(bool dark)
+    {
+        isDark = dark;
+        t = 0;
+    }
+
+    private void OnValidate()
+    {
+        t = 0;
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        if(other.transform.root.tag == "Player")
+        {
+            SwitchDarkness(true);
+        }    
+    }
+
+    private void OnTriggerExit(Collider other)
+    {
+        if (other.transform.root.tag == "Player")
+        {
+            SwitchDarkness(false);
+        }
+    }
+    // Update is called once per frame
+    void Update () {
+
+		if(isDark)
+        {
+            RenderSettings.ambientIntensity = Mathf.Lerp(defaultEnvLightingIntensity, targetEnvLightingIntensity, t);
+            RenderSettings.reflectionIntensity = Mathf.Lerp(defaultEnfReflectionIntensity, targetEnfReflectionIntensity, t);
+        }
+        else
+        {
+            RenderSettings.ambientIntensity = Mathf.Lerp(targetEnvLightingIntensity, defaultEnvLightingIntensity, t);
+            RenderSettings.reflectionIntensity = Mathf.Lerp(targetEnfReflectionIntensity, defaultEnfReflectionIntensity , t);
+        }
+        t += Time.deltaTime * lerpSpeed;
+    }
+}