Michael Bayne
c2117ee86d
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
70 lines
2.2 KiB
Java
70 lines
2.2 KiB
Java
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.jme.camera;
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import com.jme.renderer.Camera;
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/**
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* Used to move the camera along a particular path.
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*/
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public abstract class CameraPath
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{
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/** Used to inform observers when a camera path is completed or aborted. */
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public interface Observer
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{
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/**
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* Called when this path is finished (potentially early because another
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* path was set before this path completed).
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*
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* @param path the path that was completed.
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*
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* @return true if the observer should remain in the list, false if it
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* should be removed following this notification.
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*/
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public boolean pathCompleted (CameraPath path);
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}
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/**
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* This is called on every frame to allow the path to adjust the position
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* of the camera.
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*
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* @return true if the path is completed and can be disposed, false if it
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* is not yet completed.
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*/
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public abstract boolean tick (float secondsSince);
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/**
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* Called if this path is aborted prior to completion due to being replaced
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* by a new camera path.
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*/
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public void abort ()
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{
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}
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protected CameraPath (CameraHandler camhand)
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{
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_camhand = camhand;
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}
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protected CameraHandler _camhand;
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}
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