Insanely huge initial commit

Assets/Extensions/Feel/MMTools/Tools/MMHelpers/MMImage.cs

@@ -0,0 +1,45 @@
+using UnityEngine;
+using System.Collections;
+
+namespace MoreMountains.Tools
+{	
+	/// <summary>
+	/// Image helpers
+	/// </summary>
+
+	public class MMImage : MonoBehaviour 
+	{
+		/// <summary>
+		/// Coroutine used to make the character's sprite flicker (when hurt for example).
+		/// </summary>
+		public static IEnumerator Flicker(Renderer renderer, Color initialColor, Color flickerColor, float flickerSpeed, float flickerDuration)
+		{
+			if (renderer==null)
+			{
+				yield break;
+			}
+
+			if (!renderer.material.HasProperty("_Color"))
+			{
+				yield break;
+			}
+
+			if (initialColor == flickerColor)
+			{
+				yield break;
+			}
+
+			float flickerStop = Time.time + flickerDuration;
+
+			while (Time.time<flickerStop)
+			{
+				renderer.material.color = flickerColor;
+				yield return MMCoroutine.WaitFor(flickerSpeed);
+				renderer.material.color = initialColor;
+				yield return MMCoroutine.WaitFor(flickerSpeed);
+			}
+
+			renderer.material.color = initialColor;        
+		}
+	}
+}