fixed holding notes

source/Conductor.hx

@@ -12,5 +12,8 @@ class Conductor
 	public static var songPosition:Float;
 	public static var offset:Float = 0;
 
+	public static var safeFrames:Int = 5;
+	public static var safeZoneOffset:Float = (safeFrames / 60) * 1000; // is calculated in create(), is safeFrames in milliseconds
+
 	public function new() {}
 }