/*
* Open Source Physics software is free software as described near the bottom of this code file.
*
* For additional information and documentation on Open Source Physics please see:
* <http://www.opensourcephysics.org/>
*/
package org.opensourcephysics.display3d.simple3d;
import org.opensourcephysics.controls.XML;
import org.opensourcephysics.controls.XMLControl;
import org.opensourcephysics.display3d.simple3d.utils.ConeUtils;
/**
* <p>Title: ElementCylinder</p>
* <p>Description: Painter's algorithm implementation of a Cylinder</p>
* @author Francisco Esquembre
* @version March 2005
*/
public class ElementCone extends AbstractTile implements org.opensourcephysics.display3d.core.ElementCone {
// Configuration variables
private boolean closedBottom = true, closedTop = true;
private boolean closedLeft = true, closedRight = true;
private int minAngle = 0, maxAngle = 360;
private double truncationHeight = Double.NaN;
// Implementation variables
private boolean changeNTiles = true;
private int nr = -1, nu = -1, nz = -1; // Make sure arrays are allocated
private double[][][] standardCone = null;
//Static
static final protected double TO_RADIANS = Math.PI/180.0;
{ // Initialization block
getStyle().setResolution(new Resolution(3, 12, 5));
}
// -------------------------------------
// Configuration
// -------------------------------------
public void setTruncationHeight(double height) {
if(height<0) {
height = Double.NaN;
}
this.truncationHeight = height;
setElementChanged(true);
changeNTiles = true;
}
public double getTruncationHeight() {
return truncationHeight;
}
public void setClosedBottom(boolean close) {
this.closedBottom = close;
setElementChanged(true);
changeNTiles = true;
}
public boolean isClosedBottom() {
return this.closedBottom;
}
public void setClosedTop(boolean close) {
this.closedTop = close;
setElementChanged(true);
changeNTiles = true;
}
public boolean isClosedTop() {
return this.closedTop;
}
public void setClosedLeft(boolean close) {
this.closedLeft = close;
setElementChanged(true);
changeNTiles = true;
}
public boolean isClosedLeft() {
return this.closedLeft;
}
public void setClosedRight(boolean close) {
this.closedRight = close;
setElementChanged(true);
changeNTiles = true;
}
public boolean isClosedRight() {
return this.closedRight;
}
public void setMinimumAngle(int angle) {
this.minAngle = angle;
setElementChanged(true);
changeNTiles = true;
}
public int getMinimumAngle() {
return this.minAngle;
}
public void setMaximumAngle(int angle) {
this.maxAngle = angle;
setElementChanged(true);
changeNTiles = true;
}
public int getMaximumAngle() {
return this.maxAngle;
}
// -------------------------------------
// Private or protected methods
// -------------------------------------
protected synchronized void computeCorners() {
int theNr = 1, theNu = 1, theNz = 1;
double angle1 = minAngle, angle2 = maxAngle;
if(Math.abs(angle2-angle1)>360) {
angle2 = angle1+360;
}
org.opensourcephysics.display3d.core.Resolution res = getRealStyle().getResolution();
if(res!=null) {
switch(res.getType()) {
case org.opensourcephysics.display3d.core.Resolution.DIVISIONS :
theNr = Math.max(res.getN1(), 1);
theNu = Math.max(res.getN2(), 1);
theNz = Math.max(res.getN3(), 1);
break;
case org.opensourcephysics.display3d.core.Resolution.MAX_LENGTH :
double dx = Math.abs(getSizeX())/2, dy = Math.abs(getSizeY())/2, dz = Math.abs(getSizeZ());
if(!Double.isNaN(truncationHeight)) {
dz = Math.min(dz, truncationHeight);
}
theNr = Math.max((int) Math.round(0.49+Math.max(dx, dy)/res.getMaxLength()), 1);
theNu = Math.max((int) Math.round(0.49+Math.abs(angle2-angle1)*TO_RADIANS*(dx+dy)/res.getMaxLength()), 1);
theNz = Math.max((int) Math.round(0.49+dz/res.getMaxLength()), 1);
break;
}
}
if((nr!=theNr)||(nu!=theNu)||(nz!=theNz)||changeNTiles) { // Reallocate arrays
nr = theNr;
nu = theNu;
nz = theNz;
changeNTiles = false;
double height = truncationHeight/getSizeZ();
if(!Double.isNaN(height)) {
height = Math.min(height, 1.0);
}
standardCone = ConeUtils.createStandardCone(nr, nu, nz, angle1, angle2, closedTop, closedBottom, closedLeft, closedRight, height);
setCorners(new double[standardCone.length][4][3]);
}
for(int i = 0; i<numberOfTiles; i++) {
for(int j = 0, sides = corners[i].length; j<sides; j++) {
System.arraycopy(standardCone[i][j], 0, corners[i][j], 0, 3);
sizeAndToSpaceFrame(corners[i][j]);
}
}
setElementChanged(false);
}
// ----------------------------------------------------
// XML loader
// ----------------------------------------------------
/**
* Returns an XML.ObjectLoader to save and load object data.
* @return the XML.ObjectLoader
*/
public static XML.ObjectLoader getLoader() {
return new Loader();
}
static protected class Loader extends org.opensourcephysics.display3d.core.ElementCone.Loader {
public Object createObject(XMLControl control) {
return new ElementCone();
}
}
}
/*
* Open Source Physics software is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public License (GPL) as
* published by the Free Software Foundation; either version 2 of the License,
* or(at your option) any later version.
* Code that uses any portion of the code in the org.opensourcephysics package
* or any subpackage (subdirectory) of this package must must also be be released
* under the GNU GPL license.
*
* This software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2007 The Open Source Physics project
* http://www.opensourcephysics.org
*/