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madhephaestusmadhephaestus
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Adding additional primatives
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‎src/main/java/eu/mihosoft/jcsg/Dodecahedron.java

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/**
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* Dodecahedron.java
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*/
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package eu.mihosoft.jcsg;
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import java.util.ArrayList;
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import java.util.List;
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import eu.mihosoft.jcsg.ext.quickhull3d.HullUtil;
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import eu.mihosoft.vvecmath.Vector3d;
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public class Dodecahedron implements Primitive {
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/**
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* Center of this dodecahedron.
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*/
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private Vector3d center;
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/**
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* Dodecahedron circumscribed radius.
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*/
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private double radius;
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/** The centered. */
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private boolean centered = true;
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/** The properties. */
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private final PropertyStorage properties = new PropertyStorage();
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/**
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* Constructor. Creates a new dodecahedron with center {@code [0,0,0]} and
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* dimensions {@code [1,1,1]}.
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*/
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public Dodecahedron() {
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center = Vector3d.xyz(0, 0, 0);
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radius = 1;
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}
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/**
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* Constructor. Creates a new dodecahedron with center {@code [0,0,0]} and
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* radius {@code size}.
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*
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* @param size size
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*/
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public Dodecahedron(double size) {
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center = Vector3d.xyz(0, 0, 0);
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radius = size;
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}
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/**
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* Constructor. Creates a new dodecahedron with the specified center and
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* radius.
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*
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* @param center center of the dodecahedron
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* @param circumradius of the dodecahedron
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*/
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public Dodecahedron(Vector3d center, double size) {
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this.center = center;
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this.radius = size;
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}
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/* (non-Javadoc)
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* @see eu.mihosoft.vrl.v3d.Primitive#toPolygons()
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*/
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@Override
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public List<Polygon> toPolygons() {
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double phi = (Math.sqrt(5)+1)/2;
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List<Vector3d> points = new ArrayList<>();
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points.add(Vector3d.xyz(-1,-1,-1));
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points.add(Vector3d.xyz(-1,-1,+1));
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points.add(Vector3d.xyz(-1,+1,-1));
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points.add(Vector3d.xyz(-1,+1,+1));
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points.add(Vector3d.xyz(+1,-1,-1));
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points.add(Vector3d.xyz(+1,-1,+1));
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points.add(Vector3d.xyz(+1,+1,-1));
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points.add(Vector3d.xyz(+1,+1,+1));
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points.add(Vector3d.xyz(0,1/phi,phi));
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points.add(Vector3d.xyz(0,-1/phi,phi));
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points.add(Vector3d.xyz(phi,0,1/phi));
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points.add(Vector3d.xyz(1/phi,phi,0));
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points.add(Vector3d.xyz(-1/phi,phi,0));
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points.add(Vector3d.xyz(-phi,0,1/phi));
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points.add(Vector3d.xyz(1/phi,-phi,0));
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points.add(Vector3d.xyz(phi,0,-1/phi));
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points.add(Vector3d.xyz(0,1/phi,-phi));
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points.add(Vector3d.xyz(-phi,0,-1/phi));
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points.add(Vector3d.xyz(-1/phi,-phi,0));
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points.add(Vector3d.xyz(0,-1/phi,-phi));
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List<Polygon> polygons = HullUtil.hull(points).scale(radius*(phi-1)).getPolygons();
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return polygons;
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}
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/**
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* Gets the center.
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*
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* @return the center
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*/
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public Vector3d getCenter() {
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return center;
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}
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/**
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* Sets the center.
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*
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* @param center the center to set
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*/
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public Dodecahedron setCenter(Vector3d center) {
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this.center = center;
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return this;
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}
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/**
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* Gets the radius.
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*
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* @return the radius
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*/
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public double getRadius() {
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return radius;
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}
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/**
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* Sets the radius.
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*
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* @param radius the radius to set
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*/
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public void setRadius(double radius) {
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this.radius = radius;
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}
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/* (non-Javadoc)
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* @see eu.mihosoft.vrl.v3d.Primitive#getProperties()
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*/
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@Override
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public PropertyStorage getProperties() {
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return properties;
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}
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/**
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* Defines that this dodecahedron will not be centered.
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* @return this dodecahedron
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*/
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public Dodecahedron noCenter() {
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centered = false;
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return this;
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}
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}

‎src/main/java/eu/mihosoft/jcsg/Icosahedron.java

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/**
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* Icosahedron.java
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*/
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package eu.mihosoft.jcsg;
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import java.util.ArrayList;
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import java.util.List;
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import eu.mihosoft.jcsg.ext.quickhull3d.HullUtil;
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import eu.mihosoft.vvecmath.Vector3d;
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public class Icosahedron implements Primitive {
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/**
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* Center of this icosahedron.
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*/
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private Vector3d center;
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/**
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* Icosahedron circumscribed radius.
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*/
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private double radius;
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/** The centered. */
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private boolean centered = true;
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/** The properties. */
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private final PropertyStorage properties = new PropertyStorage();
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/**
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* Constructor. Creates a new icosahedron with center {@code [0,0,0]} and
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* dimensions {@code [1,1,1]}.
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*/
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public Icosahedron() {
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center = Vector3d.xyz(0, 0, 0);
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radius = 1;
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}
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/**
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* Constructor. Creates a new icosahedron with center {@code [0,0,0]} and
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* radius {@code size}.
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*
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* @param size size
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*/
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public Icosahedron(double size) {
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center = Vector3d.xyz(0, 0, 0);
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radius = size;
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}
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/**
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* Constructor. Creates a new icosahedron with the specified center and
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* radius.
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*
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* @param center center of the icosahedron
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* @param circumradius of the icosahedron
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*/
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public Icosahedron(Vector3d center, double size) {
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this.center = center;
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this.radius = size;
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}
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/* (non-Javadoc)
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* @see eu.mihosoft.vrl.v3d.Primitive#toPolygons()
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*/
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@Override
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public List<Polygon> toPolygons() {
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double phi = (Math.sqrt(5)+1)/2;
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List<Vector3d> points = new ArrayList<>();
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points.add(Vector3d.xyz(0,1,phi));
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points.add(Vector3d.xyz(0,-1,phi));
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points.add(Vector3d.xyz(phi,0,1));
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points.add(Vector3d.xyz(1,phi,0));
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points.add(Vector3d.xyz(-1,phi,0));
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points.add(Vector3d.xyz(-phi,0,1));
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points.add(Vector3d.xyz(1,-phi,0));
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points.add(Vector3d.xyz(phi,0,-1));
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points.add(Vector3d.xyz(0,1,-phi));
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points.add(Vector3d.xyz(-phi,0,-1));
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points.add(Vector3d.xyz(-1,-phi,0));
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points.add(Vector3d.xyz(0,-1,-phi));
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List<Polygon> polygons = HullUtil.hull(points).scale(radius/(Math.sqrt(1+Math.pow(phi, 2)))).getPolygons();
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return polygons;
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}
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/**
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* Gets the center.
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*
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* @return the center
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*/
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public Vector3d getCenter() {
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return center;
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}
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/**
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* Sets the center.
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*
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* @param center the center to set
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*/
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public Icosahedron setCenter(Vector3d center) {
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this.center = center;
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return this;
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}
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/**
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* Gets the radius.
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*
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* @return the radius
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*/
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public double getRadius() {
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return radius;
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}
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/**
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* Sets the radius.
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*
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* @param radius the radius to set
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*/
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public void setRadius(double radius) {
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this.radius = radius;
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}
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/* (non-Javadoc)
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* @see eu.mihosoft.vrl.v3d.Primitive#getProperties()
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*/
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@Override
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public PropertyStorage getProperties() {
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return properties;
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}
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/**
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* Defines that this icosahedron will not be centered.
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* @return this icosahedron
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*/
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public Icosahedron noCenter() {
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centered = false;
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return this;
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}
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}

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