From 1c563183ea4a01186e8e50072986d75603dd669c Mon Sep 17 00:00:00 2001
From: chrisgregan <chris@snozbot.com>
Date: Tue, 11 Mar 2014 17:28:00 +0000
Subject: [PATCH] Added RemoveAndFadeButton() command

---
 Assets/Fungus/Scripts/Commands.cs          |  3 ++-
 Assets/Fungus/Scripts/GameController.cs    | 15 +++++++++++++++
 Assets/FungusExample/Scripts/ButtonRoom.cs |  3 +++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/Assets/Fungus/Scripts/Commands.cs b/Assets/Fungus/Scripts/Commands.cs
index 315d3cf5..32cd945d 100644
--- a/Assets/Fungus/Scripts/Commands.cs
+++ b/Assets/Fungus/Scripts/Commands.cs
@@ -474,7 +474,7 @@ namespace Fungus
 		}
 
 		/** 
-		 * Makes a sprite stop behaving as a clickable button
+		 * Makes a sprite stop behaving as a clickable button.
 		 */
 		public class RemoveButtonCommand : CommandQueue.Command
 		{
@@ -493,6 +493,7 @@ namespace Fungus
 			
 			public override void Execute(CommandQueue commandQueue, Action onComplete)
 			{
+				// Remove the button component
 				Button button = spriteRenderer.gameObject.GetComponent<Button>();
 				GameObject.Destroy(button);
 
diff --git a/Assets/Fungus/Scripts/GameController.cs b/Assets/Fungus/Scripts/GameController.cs
index 081e9dee..056f30bd 100644
--- a/Assets/Fungus/Scripts/GameController.cs
+++ b/Assets/Fungus/Scripts/GameController.cs
@@ -387,6 +387,21 @@ namespace Fungus
 			commandQueue.AddCommand(new Command.RemoveButtonCommand(spriteRenderer));
 		}
 		
+		/**
+		 * Makes a sprite stop behaving as a clickable button and fades out the button sprite.
+		 * The fade duration is specified in Game.buttonFadeDuration
+		 * This method returns immediately but it queues an asynchronous command for later execution.
+		 * @param spriteRenderer The sprite to be made non-clickable
+		 */
+		public void RemoveAndFadeButton(SpriteRenderer spriteRenderer)
+		{
+			CommandQueue commandQueue = Game.GetInstance().commandQueue;
+			commandQueue.AddCommand(new Command.RemoveButtonCommand(spriteRenderer));
+
+			FadeSprite(spriteRenderer, 0f, Game.GetInstance().buttonFadeDuration);
+		}
+
+
 		/**
 		 * Sets an animator trigger to change the animation state for an animated sprite.
 		 * This is the primary method of controlling Unity animations from a Fungus command sequence.
diff --git a/Assets/FungusExample/Scripts/ButtonRoom.cs b/Assets/FungusExample/Scripts/ButtonRoom.cs
index 4fd2ac25..4054ff9e 100644
--- a/Assets/FungusExample/Scripts/ButtonRoom.cs
+++ b/Assets/FungusExample/Scripts/ButtonRoom.cs
@@ -38,6 +38,9 @@ public class ButtonRoom : Room
 	void OnMusicClicked()
 	{
 		PlaySound(effectClip);
+
+		// Hide this button once the player clicks it
+		RemoveAndFadeButton(musicSprite);
 	}
 
 	void OnQuestionClicked()