Adding fog zones

Assets/Scripts/TriggerEffects/FogZone.cs

@@ -0,0 +1,48 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class FogZone : MonoBehaviour {
+
+    [SerializeField]
+    private Color fogColor = Color.white;
+    [SerializeField]
+    [Tooltip("Default: 0.01")]
+    private float fogDensity = 0.01f;
+    [SerializeField]
+    private float fadeSpeed = 1;
+    private float t = 0;
+    private bool enabled = false;
+
+	// Use this for initialization
+	void Start () {
+
+	}
+	
+	// Update is called once per frame
+	void Update () {
+        if (t < 1 && enabled)
+        {
+            RenderSettings.fogColor = Color.Lerp(RenderSettings.fogColor, fogColor, t);
+            RenderSettings.fogDensity = Mathf.Lerp(RenderSettings.fogDensity, fogDensity, t);
+        }
+        t += fadeSpeed * Time.deltaTime;
+    }
+
+    void LerpFogSettings()
+    {
+        enabled = true;
+        t = 0;
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        Debug.Log("Changing fog");
+        LerpFogSettings();
+    }
+
+    private void OnTriggerExit(Collider other)
+    {
+        enabled = false;
+    }
+}