/*
* Simbad - Robot Simulator
* Copyright (C) 2004 Louis Hugues
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
-----------------------------------------------------------------------------
* $Author: jimmikaelkael $
*/
package simbad.sim;
import javax.media.j3d.*;
import javax.vecmath.Color3f;
import javax.vecmath.Vector3d;
import com.sun.j3d.utils.geometry.Primitive;
/**
* A line object which can be put in the environment.
* @author Michaël Jimenez
*/
public class Line extends BlockWorldObject {
/** Object dimension.s */
float len;
/** Constructs a line object.
*
* @param pos position of the start of the object.
* @param len length of the object.
* @param wd EnvironmentDescription for global parameters.
*/
public Line(Vector3d pos, float len, EnvironmentDescription wd) {
this(pos,len,wd,black);
}
/** Constructs a line object.
*
* @param pos position of the start of the object.
* @param len length of the object.
* @param wd EnvironmentDescription for global parameters.
* @param color color of the object.
*/
public Line(Vector3d pos, float len, EnvironmentDescription wd, Color3f color) {
super();
this.len = len;
// put it on the floor
pos.z += len/2;
setCanBeTraversed(true);
create3D(wd,color);
translateTo(pos);
}
/** Create the 3d object */
protected void create3D(EnvironmentDescription wd,Color3f color){
// create the line using a primitive
super.create3D();
Material mat = new Material();
appearance.setMaterial(mat);
int flags = Primitive.GEOMETRY_NOT_SHARED | Primitive.ENABLE_GEOMETRY_PICKING | Primitive.GENERATE_NORMALS;
flags |= Primitive.ENABLE_APPEARANCE_MODIFY;
// com.sun.j3d.utils.geometry.Box box =new com.sun.j3d.utils.geometry.Box(.08f,.001f,len,flags,appearance,0);
// bug in j3d api doc . must give half values.
com.sun.j3d.utils.geometry.Box box =new com.sun.j3d.utils.geometry.Box(.08f/2,.005f/2,len/2,flags,appearance,0);
// Enable sensor detection
box.setPickable(true);
// define empty bounds for collision detection
BoundingBox bounds = new BoundingBox();
setBounds(bounds);
setColor(color);
addChild(box);
}
public void rotate90(int ntimes) {
super.rotate90(ntimes);
if ((ntimes%2) != 0)
translateTo(new Vector3d(len/2,0,-len/2));
}
}