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/**
* TriangleMeshHelper.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.helper;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import javafx.scene.image.Image;
import javafx.scene.paint.Color;
import javafx.scene.paint.Material;
import javafx.scene.paint.PhongMaterial;
import org.fxyz3d.collections.FloatCollector;
import org.fxyz3d.geometry.Face3;
import org.fxyz3d.geometry.Point3D;
import org.fxyz3d.scene.paint.Palette;
import org.fxyz3d.scene.paint.Palette.ColorPalette;
import org.fxyz3d.scene.paint.Patterns;
import org.fxyz3d.scene.paint.Patterns.CarbonPatterns;
import org.fxyz3d.tools.NormalMap;
/**
*
* @author jpereda
*/
public class TriangleMeshHelper {
public static enum TextureType {
NONE, // without texture, simple colored
IMAGE, // an image is loaded
PATTERN, // an image from a pattern
COLORED_FACES, // a palette is used to color faces
COLORED_VERTICES_3D, // a palette is used to color vertices with a density map (point 3D)
COLORED_VERTICES_1D // a palette is used to color vertices with a function map (x 1D)
}
public static final TextureType DEFAULT_TEXTURE_TYPE= TextureType.NONE;
private TextureType textureType=DEFAULT_TEXTURE_TYPE;
private boolean reverseTexture=false;
public enum SectionType {
CIRCLE(0),
TRIANGLE(3),
QUADRILATERAL(4),
PENTAGON(5),
HEXAGON(6),
HEPTAGON(7),
OCTAGON(8),
NONAGON(9),
DECAGON(10),
DODECAGON(12);
private final int sides;
SectionType(int sides){
this.sides=sides;
}
public int getSides() { return sides; }
}
public static final SectionType DEFAULT_SECTION_TYPE= SectionType.CIRCLE;
private SectionType sectionType=DEFAULT_SECTION_TYPE;
public TriangleMeshHelper(){
material.setDiffuseColor(DEFAULT_DIFFUSE_COLOR);
}
public void setSectionType(SectionType sectionType){
this.sectionType = sectionType;
}
public SectionType getSectionType() { return sectionType; }
public void setTextureType(TextureType textureType){
this.textureType = textureType;
switch(textureType){
case COLORED_FACES:
case COLORED_VERTICES_1D:
createPalette();
function=DEFAULT_UNIDIM_FUNCTION;
break;
case COLORED_VERTICES_3D:
createPalette();
density=DEFAULT_DENSITY_FUNCTION;
break;
case PATTERN:
createCarbonPattern();
break;
}
}
public TextureType getTextureType() { return textureType; }
/*
Material
*/
private final PhongMaterial material = new PhongMaterial();
public final PhongMaterial getMaterial() {
return material;
}
/*
Patterns
*/
public static final double DEFAULT_PATTERN_SCALE = 1d;
public static final CarbonPatterns DEFAULT_CARBON_PATTERN = CarbonPatterns.DARK_CARBON;
public static final int DEFAULT_WIDTH = 12;
public static final int DEFAULT_HEIGHT = 12;
public final static boolean DEFAULT_SAVE_PATTERN = false;
private Patterns patterns;
private int patternWidth;
private int patternHeight;
public final void createCarbonPattern(){
createCarbonPattern(DEFAULT_CARBON_PATTERN,DEFAULT_WIDTH,DEFAULT_HEIGHT,DEFAULT_SAVE_PATTERN);
}
public final void createCarbonPattern(CarbonPatterns cp){
createCarbonPattern(cp,DEFAULT_WIDTH,DEFAULT_HEIGHT,DEFAULT_SAVE_PATTERN);
}
public void createCarbonPattern(boolean save){
createCarbonPattern(DEFAULT_CARBON_PATTERN,DEFAULT_WIDTH,DEFAULT_HEIGHT,save);
}
public void createCarbonPattern(CarbonPatterns cp, int width, int height, boolean save){
this.patternWidth=width;
this.patternHeight=height;
patterns=new Patterns(width,height);
patterns.createPattern(cp, save);
}
public Image getPatternImage() {
return getPatternImage(DEFAULT_CARBON_PATTERN);
}
public Image getPatternImage(CarbonPatterns cp) {
createCarbonPattern(cp);
return patterns.getPatternImage();
}
public void getMaterialWithPattern(){
getMaterialWithPattern(DEFAULT_CARBON_PATTERN);
}
public void setMaterialWithPattern(Material mat, CarbonPatterns cp){
Image img = getPatternImage(cp);
clearMaterialAndSetDiffMap(material, img);
}
public void getMaterialWithPattern(CarbonPatterns cp){
Image img = getPatternImage(cp);
clearMaterialAndSetDiffMap(material, img);
}
/*
Colors, palette
*/
public final static Color DEFAULT_DIFFUSE_COLOR = Color.WHITE;
public final static Color DEFAULT_SPECULAR_COLOR = Color.BLACK;
public final static int DEFAULT_COLORS = 1530;
public final static boolean DEFAULT_SAVE_PALETTE = false;
public final static ColorPalette DEFAULT_COLOR_PALETTE = ColorPalette.HSB;
public final static CarbonPatterns DEFAULT_PATTERN = CarbonPatterns.DARK_CARBON;
private Palette palette;
private int colors;
public final void createPalette(){
createPalette(DEFAULT_COLORS,DEFAULT_SAVE_PALETTE,DEFAULT_COLOR_PALETTE);
}
public void createPalette(int colors){
createPalette(colors,DEFAULT_SAVE_PALETTE,DEFAULT_COLOR_PALETTE);
}
public void createPalette(boolean save){
createPalette(DEFAULT_COLORS,save,DEFAULT_COLOR_PALETTE);
}
public void createPalette(int colors,boolean save){
createPalette(DEFAULT_COLORS,save,DEFAULT_COLOR_PALETTE);
}
public void createPalette(int colors, boolean save, ColorPalette palette_colors){
this.colors=colors;
palette=new Palette(colors,palette_colors);
palette.createPalette(save);
}
public Image getPaletteImage() {
if(palette==null){
createPalette();
}
return palette.getPaletteImage();
}
public void getMaterialWithPalette(){
Image img = getPaletteImage();
clearMaterialAndSetDiffMap(material, img);
}
public void getMaterialWithColor(Color color){
clearMaterialAndSetColor(material, color);
}
public Material getMaterialWithColor(Color color, String image){
PhongMaterial mat = new PhongMaterial(color);
if(image!=null && !image.isEmpty()){
Image img = new Image(image);
mat.setDiffuseMap(img);
NormalMap normal = new NormalMap(img);
// normal.setIntensity(10);
// normal.setIntensityScale(2);
mat.setBumpMap(normal);
}
mat.setSpecularPower(32);
mat.setSpecularColor(Color.WHITE);
return mat;
}
public float[] getTexturePaletteArray(){
if(palette==null){
createPalette();
}
return IntStream.range(0,colors).boxed()
.flatMapToDouble(palette::getTextureLocation)
.collect(()->new FloatCollector(2*colors), FloatCollector::add, FloatCollector::join)
.toArray();
}
private void clearMaterialAndSetDiffMap(PhongMaterial mat, Image diff){
mat.setBumpMap(null);
mat.setSpecularMap(null);
mat.setSelfIlluminationMap(null);
mat.setDiffuseColor(DEFAULT_DIFFUSE_COLOR);
mat.setSpecularColor(DEFAULT_SPECULAR_COLOR);
mat.setDiffuseMap(diff);
}
private void clearMaterialAndSetColor(PhongMaterial mat, Color col){
mat.setBumpMap(null);
mat.setSpecularMap(null);
mat.setSelfIlluminationMap(null);
mat.setDiffuseMap(null);
mat.setDiffuseColor(col);
}
/*
density functions
*/
public final static Function DEFAULT_DENSITY_FUNCTION= p->0d;
private Function density;
private double min = 0d;
private double max = 1d;
public void setDensity(Function density){
this.density=density;
}
public int mapDensity(Point3D p){
int f=(int)(((density.apply(p).doubleValue()-min)/(max-min))*colors);
if(f<0){
f=0;
}
if(f>=colors){
f=0*(colors-1);
}
return f;
}
public final static Function DEFAULT_UNIDIM_FUNCTION= x->0d;
private Function function;
public void setFunction(Function function){
this.function=function;
}
public int mapFunction(double x){
int f=(int)(((function.apply(x).doubleValue()-min)/(max-min))*colors);
if(f<0){
f=0;
}
if(f>=colors){
f=colors-1;
}
return f;
}
public int mapFaces(int face, int numFaces){
int f=(int)((((double)face)/((double)numFaces)) * colors);
if(f<0){
f=0;
}
if(f>=colors){
f=colors-1;
}
return f;
}
public void updateExtremes(double min, double max){
this.max=max;
this.min=min;
if(max==min){
this.max=1.0+min;
}
}
public void updateExtremes(List points){
max=points.parallelStream().mapToDouble(p->density.apply(p).doubleValue()).max().orElse(1.0);
min=points.parallelStream().mapToDouble(p->density.apply(p).doubleValue()).min().orElse(0.0);
max=(float)Math.round(max*1e6)/1e6;
min=(float)Math.round(min*1e6)/1e6;
if(max==min){
max=1.0+min;
}
// System.out.println("Min: "+min+", max: "+max);
}
public void updateExtremesByFunction(List points){
max=points.parallelStream().mapToDouble(p->function.apply((double) p.f).doubleValue()).max().orElse(1.0);
min=points.parallelStream().mapToDouble(p->function.apply((double) p.f).doubleValue()).min().orElse(0.0);
max=(float)Math.round(max*1e6)/1e6;
min=(float)Math.round(min*1e6)/1e6;
if(max==min){
max=1.0+min;
}
// System.out.println("Min: "+min+", max: "+max);
}
/*
image
*/
public void getMaterialWithImage(String image){
clearMaterialAndSetDiffMap(material, new Image(image));
}
/*
Mesh updating
*/
public float[] updateVertices(List points){
return points.stream()
.flatMapToDouble(Point3D::getCoordinates)
.collect(()->new FloatCollector(points.size()*3), FloatCollector::add, FloatCollector::join)
.toArray();
}
public float[] updateVertices(List points, float factor){
return points.stream()
.flatMapToDouble(p->p.getCoordinates(factor))
.collect(()->new FloatCollector(points.size()*3), FloatCollector::add, FloatCollector::join)
.toArray();
}
public float[] createTexCoords(int width, int height){
reverseTexture=false;
int index=0;
float[] textureCoords = new float[(width+1)*(height+1)*2];
for (int v = 0; v <= height; v++) {
float dv = (float) v / ((float)(height));
for (int u = 0; u <= width; u++) {
textureCoords[index] = (float) u /((float)(width));
textureCoords[index + 1] = dv;
index+=2;
}
}
return textureCoords;
}
public float[] createReverseTexCoords(int width, int height){
reverseTexture=true;
int index=0;
float[] textureCoords = new float[(width+1)*(height+1)*2];
for (int x = 0; x <= width; x++) {
float dx = (float) x /((float)(width));
for (int y = 0; y <= height; y++) {
float dy = (float) y / ((float)(height));
textureCoords[index] = dx;
textureCoords[index + 1] = dy;
index+=2;
}
}
return textureCoords;
}
public float[] updateTexCoordsWithPattern(int rectWidth, int rectHeight){
return updateTexCoordsWithPattern(rectWidth, rectHeight, 1d, 1d);
}
public float[] updateTexCoordsWithPattern(int rectWidth, int rectHeight, double scale){
return updateTexCoordsWithPattern(rectWidth, rectHeight, scale, 1d);
}
public float[] updateTexCoordsWithPattern(int rectWidth, int rectHeight, double scale, double ratio){
int index=0;
float[] textureCoords = new float[(rectWidth+1)*(rectHeight+1)*2];
float restHeight=patternHeight-((float)(1d/(patternHeight/scale)*ratio*rectWidth))%patternHeight;
float factorHeight = (float)(1d+restHeight/(1d/(patternHeight/scale)*ratio*rectWidth));
float restWidth=patternWidth-((float)(rectWidth/(patternWidth/scale)))%patternWidth;
float factorWidth = (float)(1d+restWidth/(rectWidth/(patternWidth/scale)));
if(reverseTexture){
for (int x = 0; x <= rectWidth; x++) {
float dx = (float) ((x)/(patternWidth/scale)*factorWidth);
for (int y = 0; y <= rectHeight; y++) {
float dy = (float) ((y)/(patternHeight/scale)*ratio/rectHeight*rectWidth*factorHeight);
textureCoords[index] = dx;
textureCoords[index + 1] = dy;
index+=2;
}
}
} else {
for (int y = 0; y <= rectHeight; y++) {
float dy = (float) ((y)/(patternHeight/scale)*ratio/rectHeight*rectWidth*factorHeight);
for (int x = 0; x <= rectWidth; x++) {
textureCoords[index] = (float) ((x)/(patternWidth/scale)*factorWidth);
textureCoords[index + 1] = dy;
index+=2;
}
}
}
return textureCoords;
}
public int[] updateFacesWithoutTexture(List faces){
return faces.parallelStream().map(Face3::getFace).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithVertices(List faces){
return faces.parallelStream().map(f->f.getFace(f)).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithTextures(List faces, List textures){
if(faces.size()>textures.size()){
return null;
}
AtomicInteger count=new AtomicInteger();
return faces.stream().map(f->f.getFace(textures.get(count.getAndIncrement()))).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithDensityMap(List points, List faces){
updateExtremes(points);
return faces.parallelStream().map(f->{
int t0=mapDensity(points.get(f.p0));
int t1=mapDensity(points.get(f.p1));
int t2=mapDensity(points.get(f.p2));
return f.getFace(t0, t1, t2);
}).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithDensityMap(List points, List faces, double min, double max){
updateExtremes(min, max);
return faces.parallelStream().map(f->{
int t0=mapDensity(points.get(f.p0));
int t1=mapDensity(points.get(f.p1));
int t2=mapDensity(points.get(f.p2));
return f.getFace(t0, t1, t2);
}).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithFunctionMap(List points, List faces){
updateExtremesByFunction(points);
return faces.parallelStream().map(f->{
int t0=mapFunction(points.get(f.p0).f);
int t1=mapFunction(points.get(f.p1).f);
int t2=mapFunction(points.get(f.p2).f);
return f.getFace(t0, t1, t2);
}).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithFunctionMap(List points, List faces, double min, double max){
updateExtremes(min, max);
return faces.parallelStream().map(f->{
int t0=mapFunction(points.get(f.p0).f);
int t1=mapFunction(points.get(f.p1).f);
int t2=mapFunction(points.get(f.p2).f);
return f.getFace(t0, t1, t2);
}).flatMapToInt(i->i).toArray();
}
public int[] updateFacesWithFaces(List faces){
AtomicInteger count=new AtomicInteger();
return faces.stream().map(f->f.getFace(mapFaces(count.getAndIncrement(),faces.size()))).flatMapToInt(i->i).toArray();
}
/*
utils
*/
public double getMeshArea(List points, List faces){
return faces.parallelStream().mapToDouble(f->{
Point3D a = points.get(f.p0);
Point3D b = points.get(f.p1);
Point3D c = points.get(f.p2);
return b.substract(a).crossProduct((c.substract(a))).magnitude()/2.0;
}).reduce(Double::sum).getAsDouble();
}
private final float EPS = 0.000001f;
/*
Based on Fast, Minimum Storage Ray/Triangle Intersection
Tomas Möller & Ben Trumbore
http://www.graphics.cornell.edu/pubs/1997/MT97.pdf
* origin and direction of a ray, in local coordinates of the shape,
to avoid transformation all the triangles to scene coordinates
* This sets the texture of every face: 0 without intersection, 1 intersected
*/
public int[] updateFacesWithIntersections(Point3D origin, Point3D direction,List points, List faces){
return faces.parallelStream().map(f->{
Point3D a = points.get(f.p0);
Point3D b = points.get(f.p1);
Point3D c = points.get(f.p2);
Point3D edge1 = b.substract(a);
Point3D edge2 = c.substract(a);
Point3D pvec=direction.crossProduct(edge2);
float det=edge1.dotProduct(pvec);
int t0=0;
if(det<=-EPS || det>=EPS){
float inv_det=1f/det;
Point3D tvec=origin.substract(a);
float u = tvec.dotProduct(pvec)*inv_det;
if(u>=0f && u<=1f){
Point3D qvec=tvec.crossProduct(edge1);
float v = direction.dotProduct(qvec)*inv_det;
if(v>=0 && u+v<=1f){
// float t = c.dotProduct(qvec)*inv_det;
t0=6;
// System.out.println("t: "+t+", u: "+u+", v: "+v+" (a: "+a+", b: "+b+", c: "+c+")");
}
}
}
return f.getFace(t0);
}).flatMapToInt(i->i).toArray();
}
/*
Return a list of interesected faces (with their 3 vertices)
*/
public List getListIntersections(Point3D origin, Point3D direction,List points, List faces){
return faces.parallelStream().filter(f->{
Point3D a = points.get(f.p0);
Point3D b = points.get(f.p1);
Point3D c = points.get(f.p2);
Point3D edge1 = b.substract(a);
Point3D edge2 = c.substract(a);
Point3D pvec=direction.crossProduct(edge2);
float det=edge1.dotProduct(pvec);
if(det<=-EPS || det>=EPS){
float inv_det=1f/det;
Point3D tvec=origin.substract(a);
float u = tvec.dotProduct(pvec)*inv_det;
if(u>=0f && u<=1f){
Point3D qvec=tvec.crossProduct(edge1);
float v = direction.dotProduct(qvec)*inv_det;
if(v>=0 && u+v<=1f){
return true;
}
}
}
return false;
}).collect(Collectors.toList());
}
}
