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/* XLogo4Schools - A Logo Interpreter specialized for use in schools, based on XLogo by Loic Le Coq
* Copyright (C) 2013 Marko Zivkovic
*
* Contact Information: marko88zivkovic at gmail dot com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. This program 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 General
* Public License for more details. You should have received a copy of the
* GNU General Public License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
* This Java source code belongs to XLogo4Schools, written by Marko Zivkovic
* during his Bachelor thesis at the computer science department of ETH Zurich,
* in the year 2013 and/or during future work.
*
* It is a reengineered version of XLogo written by Loic Le Coq, published
* under the GPL License at http://xlogo.tuxfamily.org/
*
* Contents of this file were initially written by Loic Le Coq,
* modifications, extensions, refactorings might have been applied by Marko Zivkovic
*/
package xlogo.kernel.perspective;
import javax.media.j3d.Appearance;
import javax.media.j3d.Material;
import javax.media.j3d.PointArray;
import javax.media.j3d.PolygonAttributes;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Point3d;
import javax.vecmath.Color3f;
import javax.vecmath.Vector3d;
import xlogo.kernel.LogoError;
import javax.media.j3d.Shape3D;
import com.sun.j3d.utils.geometry.Sphere;
/**
* @author Marko - I decoupled this from Application
*/
public class ElementPoint extends Element3D
{
float pointWidth;
public ElementPoint(final Viewer3D v3d, final float pointWidth)
{
super(v3d);
this.pointWidth = pointWidth; //app.getKernel().getActiveTurtle().getPenWidth();
}
public void addToScene() throws LogoError
{
if (vertex.size() == 0)
return;
if (pointWidth == 0.5)
{
final int[] tab = new int[1];
tab[0] = vertex.size();
final PointArray point = new PointArray(vertex.size(), GeometryArray.COORDINATES | GeometryArray.COLOR_3);
for (int i = 0; i < vertex.size(); i++)
{
point.setCoordinate(i, vertex.get(i));
point.setColor(i, new Color3f(color.get(i)));
}
v3d.add3DObject(new Shape3D(point));
}
else
{
for (int i = 0; i < vertex.size(); i++)
{
createBigPoint(vertex.get(i), new Color3f(color.get(i)));
}
}
}
private void createBigPoint(final Point3d p, final Color3f color)
{
// Add a Sphere to main 3D scene.
final Appearance appear = new Appearance();
final Material mat = new Material(new Color3f(1.0f, 1.0f, 1.0f), color,// new
// Color3f(0.0f,0f,0f),
new Color3f(1f, 1.0f, 1.0f), new Color3f(1f, 1f, 1f), 64);
appear.setMaterial(mat);
final PolygonAttributes pa = new PolygonAttributes();
pa.setCullFace(PolygonAttributes.CULL_NONE);
pa.setBackFaceNormalFlip(true);
appear.setPolygonAttributes(pa);
final Sphere sphere = new Sphere(pointWidth / 1000, appear);
final TransformGroup tg = new TransformGroup();
final Transform3D transform = new Transform3D();
transform.setTranslation(new Vector3d(p));
tg.setTransform(transform);
tg.addChild(sphere);
v3d.add2DText(tg);
}
public boolean isLine()
{
return false;
}
public boolean isPoint()
{
return true;
}
public boolean isPolygon()
{
return false;
}
public boolean isText()
{
return false;
}
}
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