org.fxyz3d.shapes.primitives.KnotMesh Maven / Gradle / Ivy
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/**
* KnotMesh.java
*
* Copyright (c) 2013-2016, F(X)yz
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of F(X)yz, any associated website, nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL F(X)yz BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.fxyz3d.shapes.primitives;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.scene.DepthTest;
import javafx.scene.shape.CullFace;
import javafx.scene.shape.DrawMode;
import javafx.scene.shape.TriangleMesh;
import org.fxyz3d.geometry.Face3;
import org.fxyz3d.geometry.Point3D;
import org.fxyz3d.shapes.primitives.helper.KnotHelper;
/**
* Spring based on this model: http://en.wikipedia.org/wiki/Trefoil_knot
* Wrapped around a torus: http://mathoverflow.net/a/91459
* Using Frenet-Serret trihedron: http://mathematica.stackexchange.com/a/18612
*/
public class KnotMesh extends TexturedMesh {
private static final double DEFAULT_MAJOR_RADIUS = 2.0D;
private static final double DEFAULT_MINOR_RADIUS = 1.0D;
private static final double DEFAULT_WIRE_RADIUS = 0.2D;
private static final double DEFAULT_P = 2.0D;
private static final double DEFAULT_Q = 3.0D;
private static final double DEFAULT_LENGTH = 2.0D*Math.PI*DEFAULT_Q;
private static final int DEFAULT_LENGTH_DIVISIONS = 200;
private static final int DEFAULT_WIRE_DIVISIONS = 50;
private static final int DEFAULT_LENGTH_CROP = 0;
private static final int DEFAULT_WIRE_CROP = 0;
private static final double DEFAULT_START_ANGLE = 0.0D;
private static final double DEFAULT_X_OFFSET = 0.0D;
private static final double DEFAULT_Y_OFFSET = 0.0D;
private static final double DEFAULT_Z_OFFSET = 1.0D;
private KnotHelper knot;
public KnotMesh() {
this(DEFAULT_MAJOR_RADIUS, DEFAULT_MINOR_RADIUS, DEFAULT_WIRE_RADIUS, DEFAULT_P, DEFAULT_Q,
DEFAULT_LENGTH_DIVISIONS, DEFAULT_WIRE_DIVISIONS, DEFAULT_LENGTH_CROP, DEFAULT_WIRE_CROP);
}
public KnotMesh(double majorRadius, double minorRadius, double wireRadius, double p, double q) {
this(majorRadius, minorRadius, wireRadius, p, q,
DEFAULT_LENGTH_DIVISIONS, DEFAULT_WIRE_DIVISIONS, DEFAULT_LENGTH_CROP, DEFAULT_WIRE_CROP);
}
public KnotMesh(double majorRadius, double minorRadius, double wireRadius, double p, double q,
int lengthDivisions, int wireDivisions, int lengthCrop, int wireCrop) {
setMajorRadius(majorRadius);
setMinorRadius(minorRadius);
setWireRadius(wireRadius);
setP(p);
setQ(q);
setLengthDivisions(lengthDivisions);
setWireDivisions(wireDivisions);
setLengthCrop(lengthCrop);
setWireCrop(wireCrop);
updateMesh();
setCullFace(CullFace.BACK);
setDrawMode(DrawMode.FILL);
setDepthTest(DepthTest.ENABLE);
}
@Override
protected final void updateMesh(){
setMesh(null);
mesh=createKnot((float) getMajorRadius(), (float) getMinorRadius(), (float) getWireRadius(), (float) getP(), (float) getQ(), (float) getLength(),
getLengthDivisions(), getWireDivisions(), getLengthCrop(), getWireCrop(),
(float) getTubeStartAngleOffset(), (float)getxOffset(),(float)getyOffset(), (float)getzOffset());
setMesh(mesh);
}
private final DoubleProperty majorRadius = new SimpleDoubleProperty(DEFAULT_MAJOR_RADIUS){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getMajorRadius() {
return majorRadius.get();
}
public final void setMajorRadius(double value) {
majorRadius.set(value);
}
public DoubleProperty majorRadiusProperty() {
return majorRadius;
}
private final DoubleProperty minorRadius = new SimpleDoubleProperty(DEFAULT_MINOR_RADIUS){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getMinorRadius() {
return minorRadius.get();
}
public final void setMinorRadius(double value) {
minorRadius.set(value);
}
public DoubleProperty minorRadiusProperty() {
return minorRadius;
}
private final DoubleProperty wireRadius = new SimpleDoubleProperty(DEFAULT_WIRE_RADIUS){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getWireRadius() {
return wireRadius.get();
}
public final void setWireRadius(double value) {
wireRadius.set(value);
}
public DoubleProperty wireRadiusProperty() {
return wireRadius;
}
private final DoubleProperty length = new SimpleDoubleProperty(DEFAULT_LENGTH){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getLength() {
return length.get();
}
public final void setLength(double value) {
length.set(value);
}
public DoubleProperty lengthProperty() {
return length;
}
private final DoubleProperty q = new SimpleDoubleProperty(DEFAULT_Q){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getQ() {
return q.get();
}
public final void setQ(double value) {
setLength(2d*Math.PI*Math.abs(value));
q.set(value);
}
public DoubleProperty qProperty() {
return q;
}
private final DoubleProperty p = new SimpleDoubleProperty(DEFAULT_P){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public double getP() {
return p.get();
}
public final void setP(double value) {
p.set(value);
}
public DoubleProperty pProperty() {
return p;
}
private final IntegerProperty lengthDivisions = new SimpleIntegerProperty(DEFAULT_LENGTH_DIVISIONS){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final int getLengthDivisions() {
return lengthDivisions.get();
}
public final void setLengthDivisions(int value) {
lengthDivisions.set(value);
}
public IntegerProperty lengthDivisionsProperty() {
return lengthDivisions;
}
private final IntegerProperty wireDivisions = new SimpleIntegerProperty(DEFAULT_WIRE_DIVISIONS){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final int getWireDivisions() {
return wireDivisions.get();
}
public final void setWireDivisions(int value) {
wireDivisions.set(value);
}
public IntegerProperty wireDivisionsProperty() {
return wireDivisions;
}
private final IntegerProperty lengthCrop = new SimpleIntegerProperty(DEFAULT_LENGTH_CROP){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final int getLengthCrop() {
return lengthCrop.get();
}
public final void setLengthCrop(int value) {
lengthCrop.set(value);
}
public IntegerProperty lengthCropProperty() {
return lengthCrop;
}
private final IntegerProperty wireCrop = new SimpleIntegerProperty(DEFAULT_WIRE_CROP){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final int getWireCrop() {
return wireCrop.get();
}
public final void setWireCrop(int value) {
wireCrop.set(value);
}
public IntegerProperty wireCropProperty() {
return wireCrop;
}
private final DoubleProperty tubeStartAngleOffset = new SimpleDoubleProperty(DEFAULT_START_ANGLE){
@Override protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getTubeStartAngleOffset() {
return tubeStartAngleOffset.get();
}
public void setTubeStartAngleOffset(double value) {
tubeStartAngleOffset.set(value);
}
public DoubleProperty tubeStartAngleOffsetProperty() {
return tubeStartAngleOffset;
}
private final DoubleProperty xOffset = new SimpleDoubleProperty(DEFAULT_X_OFFSET){
@Override
protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getxOffset() {
return xOffset.get();
}
public void setxOffset(double value) {
xOffset.set(value);
}
public DoubleProperty xOffsetProperty() {
return xOffset;
}
private final DoubleProperty yOffset = new SimpleDoubleProperty(DEFAULT_Y_OFFSET){
@Override
protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getyOffset() {
return yOffset.get();
}
public void setyOffset(double value) {
yOffset.set(value);
}
public DoubleProperty yOffsetProperty() {
return yOffset;
}
private final DoubleProperty zOffset = new SimpleDoubleProperty(DEFAULT_Z_OFFSET){
@Override
protected void invalidated() {
if(mesh!=null){
updateMesh();
}
}
};
public final double getzOffset() {
return zOffset.get();
}
public void setzOffset(double value) {
zOffset.set(value);
}
public DoubleProperty zOffsetProperty() {
return zOffset;
}
private TriangleMesh createKnot(float majorRadius, float minorRadius, float wireRadius, float p, float q, float length,
int subDivLength, int subDivWire, int cropLength, int cropWire,
float startAngle, float xOffset, float yOffset, float zOffset) {
listVertices.clear();
listTextures.clear();
listFaces.clear();
int numDivWire = subDivWire + 1-2*cropWire;
double a=wireRadius;
knot = new KnotHelper(majorRadius, minorRadius, p, q);
areaMesh.setWidth(knot.getLength());
areaMesh.setHeight(polygonalSize(wireRadius));
knot.calculateTrihedron(subDivLength);
for (int t = cropLength; t <= subDivLength-cropLength; t++) { // 0 - length
for (int u = cropWire; u <= subDivWire-cropWire; u++) { // -Pi - +Pi
if(cropWire>0 || (cropWire==0 && u