Behold, Nenya, Ring of Water and repository for our media and animation related

goodies, both Java 2D and LWJGL/JME 3D.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@1 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/animation/BlankAnimation.java

@@ -0,0 +1,67 @@
+//
+// $Id: BlankAnimation.java 4191 2006-06-13 22:42:20Z ray $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.media.animation;
+
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+
+/**
+ * Displays nothing, but does so for a specified amount of time. Useful
+ * when you want to get an animation completed event in some period of
+ * time but don't actually need to display anything.
+ */
+public class BlankAnimation extends Animation
+{
+    public BlankAnimation (long duration)
+    {
+        super(new Rectangle(0, 0, 0, 0));
+        _duration = duration;
+    }
+
+    // documentation inherited
+    public void tick (long timestamp)
+    {
+        if (_start == 0) {
+            // initialize our starting time
+            _start = timestamp;
+        }
+
+        // check whether we're done
+        _finished = (timestamp - _start >= _duration);
+    }
+
+    // documentation inherited
+    public void fastForward (long timeDelta)
+    {
+        if (_start > 0) {
+            _start += timeDelta;
+        }
+    }
+
+    // documentation inherited
+    public void paint (Graphics2D gfx)
+    {
+        // nothing doing
+    }
+
+    protected long _duration, _start;
+}