one.empty3.library.core.extra.Polyhedron Maven / Gradle / Ivy
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/*
* Copyright (c) 2023. Manuel Daniel Dahmen
*
*
* Copyright 2012-2023 Manuel Daniel Dahmen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
Vous êtes libre de :
*/
package one.empty3.library.core.extra;
import one.empty3.library.*;
import java.util.ArrayList;
import java.util.function.Consumer;
/*__
* @author MANUEL DAHMEN
*
* dev
*
* 27 déc. 2011
*/
public class Polyhedron extends Representable implements TRIConteneur {
private TRIObject tris = new TRIObject();
public ArrayList points;
private Object co;
public Polyhedron() {
this.points = new ArrayList();
}
public void clean() {
this.tris.clear();
}
public Polyhedron(ArrayList points) {
this.points = points;
steps();
}
public void steps() {
step1();
//step2();
//step1();
}
private void step1() {
// Phase 1 Ajouter toutes les faces
for (int a = 0; a < points.size(); a++) {
Point3D pa = points.get(a);
for (int b = 0; b < points.size(); b++) {
Point3D pb = points.get(b);
for (int c = 0; c < points.size(); c++) {
Point3D pc = points.get(c);
if (pa != pb && pb != pc && pc != pa) {
TRI t = new TRI(pa, pb, pc, texture);
tris.add(t);
}
}
}
}
}
private void step2() {
ArrayList points2 = new ArrayList<>();
// Phase 2 Suppression des points internes
// 2.1 copie des points.
tris.getTriangles().forEach(new Consumer() {
@Override
public void accept(TRI tri) {
for (int i = 0; i < 3; i++)
points2.add(tri.getSommet().getElem(i));
}
});
// 2.2 recherche d'un tétrahèdre incluant le point A
points2.forEach(A -> {
boolean[] coordsOk = new boolean[27];
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
coordsOk[i * 9 + j * 3 + k] = false;
points2.forEach(entourage -> {
if (!A.equals(entourage)) {
int arrayIndx = 0;
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++) {
int cCount = 0;
for (int coord = 0; coord < 3; coord++) {
if (A.get(coord) > entourage.get(coord)
|| A.get(coord) < entourage.get(coord)) {
arrayIndx += ((coord == 2 ? 9 : (coord == 1 ? 3 : (coord == 0 ? 1 : 0))));
cCount++;
}
}
if (cCount == 3) {
coordsOk[arrayIndx] = true;
}
}
}
int cCount = 0;
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++) {
int arrayIndex = k + j * 2 + i * 4;
if (coordsOk[arrayIndex]) {
cCount++;
}
}
if (cCount == 8) {
points.remove(A);
}
});
});
}
public Polyhedron(ArrayList list, TextureCol tColor) {
this.points = list;
this.texture = tColor;
steps();
}
/*__
* @param p 0
*/
public void add(Point3D p) {
tris.clear();
points.add(p);
steps();
}
public void delete(Point3D p) {
points.remove(p);
steps();
}
/*__
*
*/
public void deleteAll() {
points.clear();
}
/* (non-Javadoc)
* @see be.ibiiztera.md.pmatrix.pushmatrix.TRIConteneur#getObj()
*/
@Override
public Representable getObj() {
return tris;
}
/* (non-Javadoc)
* @see be.ibiiztera.md.pmatrix.pushmatrix.TRIConteneur#iterable()
*/
@Override
public Iterable iterable() {
return tris.getTriangles();
}
}