chore: initial commit

Assets/Feel/MMTools/Accessories/MMCamera/MMCameraFog.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace MoreMountains.Tools
+{
+	/// <summary>
+	/// A simple class used to store fog properties
+	/// </summary>
+	[Serializable]
+	public class FogSettings
+	{
+		public bool FogEnabled = true;
+		public Color FogColor = Color.white;
+		public float FogDensity = 0.01f;
+		public UnityEngine.FogMode FogMode = FogMode.ExponentialSquared;
+	}
+
+	/// <summary>
+	/// Add this class to a camera and it will override fog settings when active
+	/// </summary>
+	[ExecuteAlways]
+	public class MMCameraFog : MonoBehaviour
+	{
+		/// the settings to use to override fog settings 
+		public FogSettings Settings;
+
+		protected FogSettings _previousSettings;
+
+		protected void Awake()
+		{
+			_previousSettings = new FogSettings();
+		}
+
+		/// <summary>
+		/// On pre render we store our current fog settings and override them
+		/// </summary>
+		protected virtual void OnPreRender()
+		{
+			_previousSettings.FogEnabled = RenderSettings.fog;
+			_previousSettings.FogColor = RenderSettings.fogColor;
+			_previousSettings.FogDensity = RenderSettings.fogDensity;
+			_previousSettings.FogMode = RenderSettings.fogMode;
+
+			RenderSettings.fog = Settings.FogEnabled;
+			RenderSettings.fogColor = Settings.FogColor;
+			RenderSettings.fogDensity = Settings.FogDensity;
+			RenderSettings.fogMode = Settings.FogMode;
+		}
+
+		/// <summary>
+		/// On post render we restore fog settings
+		/// </summary>
+		protected virtual void OnPostRender()
+		{
+			RenderSettings.fog = _previousSettings.FogEnabled;
+			RenderSettings.fogColor = _previousSettings.FogColor;
+			RenderSettings.fogDensity = _previousSettings.FogDensity;
+			RenderSettings.fogMode = _previousSettings.FogMode;
+		}
+	}
+}