Basic logic

osu.Game/Screens/Menu/IntroSequence.cs

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+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+
+namespace osu.Game.Screens.Menu
+{
+    public class IntroSequence : Container
+    {
+        private OsuSpriteText welcomeText;
+
+        public IntroSequence()
+        {
+            RelativeSizeAxes = Axes.Both;
+            Children = new Drawable[]
+            {
+                welcomeText = new OsuSpriteText
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Text = "welcome",
+                    Font = @"Exo2.0-Light",
+                    TextSize = 50,
+                    Alpha = 0,
+                }
+            };
+        }
+
+        public void Start()
+        {
+            welcomeText.FadeIn(1000);
+            welcomeText.TransformSpacingTo(new Vector2(20, 0), 3000, Easing.OutQuint);
+        }
+
+        public void Restart()
+        {
+            FinishTransforms(true);
+
+            welcomeText.Alpha = 0;
+            welcomeText.Spacing = Vector2.Zero;
+
+            Start();
+        }
+    }
+}