Andrzej Kapolka
e5496065dc
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4050 542714f4-19e9-0310-aa3c-eee0fc999fb1
63 lines
2.0 KiB
Java
63 lines
2.0 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.model;
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import com.jme.math.Vector3f;
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import com.jme.scene.Geometry;
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import com.jme.scene.Spatial;
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import com.jme.util.geom.BufferUtils;
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/**
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* A model controller whose target represents an emitter.
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*/
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public abstract class EmissionController extends ModelController
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{
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@Override // documentation inherited
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public void init (Model model)
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{
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super.init(model);
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_target.setCullMode(Spatial.CULL_ALWAYS);
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}
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/**
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* Determines the current location of the emitter in world coordinates.
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*/
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protected void getEmitterLocation (Vector3f result)
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{
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result.set(_target.getWorldBound().getCenter());
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}
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/**
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* Determines the current direction of the emitter in world coordinates.
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*/
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protected void getEmitterDirection (Vector3f result)
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{
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if (_target instanceof Geometry) {
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BufferUtils.populateFromBuffer(result,
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((Geometry)_target).getNormalBuffer(), 0);
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} else {
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result.set(0f, -1f, 0f);
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}
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_target.getWorldRotation().multLocal(result);
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}
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}
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