Add pitch to FlxSound demo (#358)

* add pitch to flxsound demo

one more conditional...

another one whoops

Add pitch to FlxSound demo

* defines

* include mp3 only on flash

Features/FlxSound/Project.xml

@@ -32,7 +32,7 @@
 	<set name="BUILD_DIR" value="export" />
 	<source path="source" />
 	<assets path="assets/xml" />
-	<assets path="assets/sounds" include="*.mp3" />
+	<assets path="assets/sounds" include="*.mp3" if="flash" />
 	<assets path="assets/sounds" include="*.ogg" unless="flash" />
 
 	<!-- _______________________________ Libraries ______________________________ -->

Features/FlxSound/assets/xml/menu.xml

@@ -41,7 +41,12 @@
 	<numeric_stepper id="music_volume" x="5" y="5" step="0.1" value="0.5" min="0.0" max="1.0" decimals="1">
 		<anchor y="sfx_volume.bottom" y-flush="top"/>
 	</numeric_stepper>
+
+	<numeric_stepper id="music_pitch" x="5" y="5" step="0.1" value="1.0" min="0.0" max="2.0" decimals="1">
+		<anchor y="music_volume.bottom" y-flush="top"/>
+	</numeric_stepper>
 
 	<text id="sfx_volume_label" x="sfx_volume.right+5" y="sfx_volume.y" text="sfx volume" color="white"/>
 	<text id="music_volume_label" x="music_volume.right+5" y="music_volume.y" text="music volume" color="white"/>
+	<text id="music_pitch_label" x="music_pitch.right+5" y="music_pitch.y" text="music pitch" color="white"/>
 </data>

Features/FlxSound/source/MenuState.hx

@@ -22,6 +22,9 @@ class MenuState extends FlxUIState
 {
 	var loop_music:Bool = false;
 	var music_volume:Float = 0.5;
+	#if FLX_PITCH
+	var music_pitch:Float = 1.0;
+	#end
 	var sfx_volume:Float = 0.5;
 	var loop_count:Int = 0;
 
@@ -38,6 +41,11 @@ class MenuState extends FlxUIState
 
 		var butt_pause:FlxUIButton = cast _ui.getAsset("butt_pause");
 		enablePause(false);
+
+		#if FLX_NO_PITCH
+		_ui.removeAsset("music_pitch");
+		_ui.removeAsset("music_pitch_label");
+		#end
 	}
 
 	override public function getEvent(name:String, sender:Dynamic, data:Dynamic, ?params:Array<Dynamic>):Void
@@ -72,9 +80,18 @@ class MenuState extends FlxUIState
 			{
 				sfx_volume = nums.value;
 			}
+			#if FLX_PITCH
+			else if (wname == "music_pitch")
+			{
+				music_pitch = nums.value;
+			}
+			#end
 			if (FlxG.sound.music != null && FlxG.sound.music.exists)
 			{
 				FlxG.sound.music.volume = music_volume;
+				#if FLX_PITCH
+				FlxG.sound.music.pitch = music_pitch;
+				#end
 			}
 			for (sound in FlxG.sound.list.members)
 			{
@@ -124,6 +141,9 @@ class MenuState extends FlxUIState
 					{
 						fuib.toggled = true;
 						FlxG.sound.playMusic(sound_id, music_volume, loop_music);
+						#if FLX_PITCH
+						FlxG.sound.music.pitch = music_pitch;
+						#end
 						FlxG.sound.music.onComplete = musicComplete;
 						enablePause(true);
 					}