+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <unistd.h>
-
-#include <GL/freeglut.h>
-
-#include "callbacks.h"
-#include "openglwindow.h"
-
-extern OpenGLWindow *openglWindow;
-
-
-
-// GLUT callback functions
-// -----------------------
-
-/**
- * Key press
- * @param key the key
- * @param x mouse x-coordinate
- * @param y mouse y-coordinate
- */
-void glutKeyboardCB(unsigned char key, int x, int y)
-{
- switch (key)
- {
- // quit
- case 27: // escape key
- glutLeaveMainLoop();
- break;
-
- // zoom in
- case '+':
- openglWindow->zoomIn();
- break;
-
- // zoom out
- case '-':
- openglWindow->zoomOut();
- break;
-
- // rotate around the y-axis
- case 'y':
- case 'Y':
- openglWindow->rotateY();
-
- default:
- break;
- }
-}
-
-
-
-/**
- * Special key press
- * @param key the key
- * @param x mouse x-coordinate
- * @param y mouse y-coordinate
- */
-void glutSpecialCB(int key, int x, int y)
-{
- switch (key)
- {
- // move camera left
- case GLUT_KEY_LEFT:
- openglWindow->left();
- break;
-
- // move camera right
- case GLUT_KEY_RIGHT:
- openglWindow->right();
- break;
-
- // move camera up
- case GLUT_KEY_UP:
- openglWindow->up();
- break;
-
- // move camera down
- case GLUT_KEY_DOWN:
- openglWindow->down();
- break;
-
- // move camera forth
- case GLUT_KEY_PAGE_UP:
- openglWindow->forth();
- break;
-
- // move camera back
- case GLUT_KEY_PAGE_DOWN:
- openglWindow->back();
- break;
-
- default:
- break;
- }
-}
-
-
-
-/**
- * Redraw of screen
- */
-void glutDisplayCB()
-{
- openglWindow->draw();
-}
-
-
-
-/**
- * Idling
- */
-void glutIdleCB()
-{
- // spare some cpu cycles
- usleep(1);
-}
-
-
-
-// GLUI callback functions
-// -----------------------
-
-/**
- * Angle changes
- * @param id not used
- */
-void gluiSpinnerAngleCB(int id)
-{
- // regenerate and draw l-system only if "live mode" is enabled
-
- if (openglWindow->liveActivated())
- {
- openglWindow->generate();
- glutPostRedisplay();
- }
-}
-
-
-
-/**
- * Reset button pressed
- * @param id not used
- */
-void gluiButtonResetCB(int id)
-{
- // place camera at initial position
- openglWindow->defaultView();
-}
-
-
-
-/**
- * Generate button pressed
- * @param id not used
- */
-void gluiButtonGenerateCB(int id)
-{
- openglWindow->generate();
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef CALLBACKS_H
-#define CALLBACKS_H
-
-
-
-// GLUT callback functions
-// -----------------------
-
-/**
- * Key press
- * @param key the key
- * @param x mouse x-coordinate
- * @param y mouse y-coordinate
- */
-void glutKeyboardCB(unsigned char key, int x, int y);
-
-/**
- * Special key press
- * @param key the key
- * @param x mouse x-coordinate
- * @param y mouse y-coordinate
- */
-void glutSpecialCB(int key, int x, int y);
-
-/**
- * Redraw of screen
- */
-void glutDisplayCB();
-
-/**
- * Idling
- */
-void glutIdleCB();
-
-
-
-// GLUI callback functions
-// -----------------------
-
-/**
- * Angle changes
- * @param id not used
- */
-void gluiSpinnerAngleCB(int id);
-
-/**
- * Reset button pressed
- * @param id not used
- */
-void gluiButtonResetCB(int id);
-
-/**
- * Generate button pressed
- * @param id not used
- */
-void gluiButtonGenerateCB(int id);
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include "coordinate.h"
-
-
-
-/**
- * Constructor
- */
-Coordinate::Coordinate()
-{
- setXYZ(0.0, 0.0, 0.0);
-}
-
-
-
-/**
- * Destructor
- */
-Coordinate::~Coordinate()
-{
-}
-
-
-
-/**
- * Get x-coordinate
- * @return the x-coordinate
- */
-double Coordinate::getX()
-{
- return _x;
-}
-
-
-
-/**
- * Get y-coordinate
- * @return the y-coordinate
- */
-double Coordinate::getY()
-{
- return _y;
-}
-
-
-
-/**
- * Get z-coordinate
- * @return the z-coordinate
- */
-double Coordinate::getZ()
-{
- return _z;
-}
-
-
-
-/**
- * Set coordinate
- * @param x the x-coordinate
- * @param y the y-coordinate
- * @param z the z-coordinate
- */
-void Coordinate::setXYZ(double x, double y, double z)
-{
- _x = x;
- _y = y;
- _z = z;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef COORDINATE_H
-#define COORDINATE_H
-
-
-
-/**
- * 3d coordinate
- */
-class Coordinate
-{
-public:
- /**
- * Constructor
- */
- Coordinate();
-
- /**
- * Destructor
- */
- ~Coordinate();
-
- /**
- * Get x-coordinate
- * @return the x-coordinate
- */
- double getX();
-
- /**
- * Get y-coordinate
- * @return the y-coordinate
- */
- double getY();
-
- /**
- * Get z-coordinate
- * @return the z-coordinate
- */
- double getZ();
-
- /**
- * Set coordinate
- * @param x the x-coordinate
- * @param y the y-coordinate
- * @param z the z-coordinate
- */
- void setXYZ(double x, double y, double z);
-
-protected:
-
- double _x, _y, _z;
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <cmath>
-
-#include <map>
-#include <iostream>
-#include <string>
-
-#include "lindenmayersystem.h"
-#include "model.h"
-#include "turtle.h"
-
-using namespace std;
-
-
-
-/**
- * Constructor
- * @param model the model for generation
- */
-LindenmayerSystem::LindenmayerSystem(Model *model)
-{
- _model = model;
- _turtle = new Turtle(model);
-
- _axiom.clear();
- _rules.clear();
- _numIterations = 0;
-}
-
-
-
-/**
- * Destructor
- */
-LindenmayerSystem::~LindenmayerSystem()
-{
- delete _turtle;
-}
-
-
-
-/**
- * Set the initial rule (the axiom)
- * @param axiom the axiom
- */
-void LindenmayerSystem::setAxiom(string axiom)
-{
- _axiom = verifyAndPreprocessRule(axiom);
-}
-
-
-
-/**
- * Set one rule
- * @param name rule name
- * @param rule the rule
- */
-void LindenmayerSystem::setRule(string name, string rule)
-{
- _rules[name] = verifyAndPreprocessRule(rule);
-}
-
-
-
-/**
- * Set the turn/pitch/roll angle
- * @param degrees the angle, in degrees
- */
-void LindenmayerSystem::setAngle(double degrees)
-{
- // convert from degrees to radians
- double radians = (degrees / 360.0) * (2.0 * M_PIl);
-
- _turtle->setAngle(radians);
-}
-
-
-
-/**
- * Set the number of iterations
- * @param numIterations number of iterations
- */
-void LindenmayerSystem::setNumIterations(int numIterations)
-{
- _numIterations = numIterations;
-}
-
-
-
-/**
- * Get the initial rule (the axiom)
- * @return the axiom
- */
-string LindenmayerSystem::getAxiom()
-{
- return unpreprocessRule(_axiom);
-}
-
-
-
-/**
- * Get all rules
- * @return the rules
- */
-map<string,string> LindenmayerSystem::getRules()
-{
- map<string,string> theUnpreprocessedRules;
-
- // unpreprocess all rules
- map<string,string>::iterator currentRule;
- for (currentRule = _rules.begin(); currentRule != _rules.end(); currentRule++)
- {
- theUnpreprocessedRules[currentRule->first] = unpreprocessRule(currentRule->second);
- }
-
- return theUnpreprocessedRules;
-}
-
-
-
-/**
- * Get the turn/pitch/roll angle
- * @return the angle, in degrees
- */
-double LindenmayerSystem::getAngle()
-{
- double radians = _turtle->getAngle();
-
- // convert from radians to degrees
- double degrees = 360.0 * (radians / (2.0 * M_PIl));
-
- return degrees;
-}
-
-
-
-/**
- * Get the number of iterations
- * @return number of iterations
- */
-int LindenmayerSystem::getNumIterations()
-{
- return _numIterations;
-}
-
-
-
-/**
- * Generate l-system data
- */
-void LindenmayerSystem::generate()
-{
- _model->clear();
-
- recursiveWalk(_axiom, _numIterations);
-
- _turtle->reset();
-}
-
-
-
-/**
- * Walk through the rule string for specified number of levels
- * @param rule the rule
- * @param level current iteration level
- */
-void LindenmayerSystem::recursiveWalk(string rule, int level)
-{
- // Process every element in the rule string
- for (int i = 0; i < rule.size(); i++)
- {
- switch (rule[i])
- {
- // walk
- case '@':
-
- // ignore marker, i.e. the "@"
- i++;
-
- // recursion
- if (level == 0)
- {
- // at lowest level, start rendering
-
- _turtle->walk();
- }
- else
- {
- // more levels to go
-
- char ruleName[] = {rule[i], '\0'};
- recursiveWalk(_rules[ruleName], level - 1);
- }
-
- break;
-
-
- // turn left
- case '+':
-
- _turtle->turnLeft();
- break;
-
-
- // turn right
- case '-':
-
- _turtle->turnRight();
- break;
-
-
- // pitch down
- case '&':
-
- _turtle->pitchDown();
- break;
-
-
- // pitch up
- case '^':
-
- _turtle->pitchUp();
- break;
-
-
- // roll left
- case '\\':
-
- _turtle->rollLeft();
- break;
-
-
- // roll right
- case '/':
-
- _turtle->rollRight();
- break;
-
-
- // turn around 180 degrees
- case '|':
-
- _turtle->turnAround();
- break;
-
-
- // save state to stack
- case '[':
-
- _turtle->push();
- break;
-
-
- // restore state from stack
- case ']':
-
- _turtle->pop();
- break;
-
-
- // first vertex in a filled surface
- case '{':
-
- _turtle->fenceInBegin();
- break;
-
-
- // last vertex in a filled surface
- case '}':
-
- _turtle->fenceInEnd();
- break;
-
-
- // one vertex in a filled surface
- case 'f':
-
- _turtle->walk();
- break;
-
-
- // decrement diameter of segment
- case '!':
-
- _turtle->decrementDiameter();
- break;
-
-
- // unknown operation
- default :
-
- // TODO: filter these out when preprocessing
- cerr << "Unknown operator in rule string:" << rule[i] << endl;
- break;
- }
- }
-}
-
-
-
-/**
- * Verify and preprocess one rule string
- * @param ruleOrAxiom the rule
- * @return the preprocessed rule
- */
-string LindenmayerSystem::verifyAndPreprocessRule(string ruleOrAxiom)
-{
- // for now, simply put "@" before every rewriting operator
- // TODO: verifying
-
- string preprocessedRule;
-
- // check every element in rule
- for (int i = 0; i < ruleOrAxiom.size(); i++)
- {
- // TODO: remove the A-Z limit: use strings, not single chars
- if (ruleOrAxiom[i] >= 'A' && ruleOrAxiom[i] <= 'Z')
- {
- // mark as rewriting operator
- preprocessedRule += '@';
- }
- preprocessedRule += ruleOrAxiom[i];
- }
-
- return preprocessedRule;
-}
-
-
-
-/**
- * Unpreprocess one rule string
- * @param ruleOrAxiom the rule
- * @return the unpreprocessed rule
- */
-string LindenmayerSystem::unpreprocessRule(string ruleOrAxiom)
-{
- string unpreprocessedRule;
-
- // check every element in rule
- for (int i = 0; i < ruleOrAxiom.size(); i++)
- {
- // ignore rewriting marker
- if (ruleOrAxiom[i] != '@')
- {
- unpreprocessedRule += ruleOrAxiom[i];
- }
- }
-
- return unpreprocessedRule;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef LINDENMAYERSYSTEM_H
-#define LINDENMAYERSYSTEM_H
-
-#include <map>
-#include <string>
-
-#include "model.h"
-#include "turtle.h"
-
-using namespace std;
-
-
-
-/**
- * Lindenmayer System
- */
-class LindenmayerSystem
-{
-public:
- /**
- * Constructor
- * @param model the model for generation
- */
- LindenmayerSystem(Model *model);
-
- /**
- * Destructor
- */
- ~LindenmayerSystem();
-
- /**
- * Set the initial rule (the axiom)
- * @param axiom the axiom
- */
- void setAxiom(string axiom);
-
- /**
- * Set one rule
- * @param name rule name
- * @param rule the rule
- */
- void setRule(string name, string rule);
-
- /**
- * Set the turn/pitch/roll angle
- * @param degrees the angle, in degrees
- */
- void setAngle(double degrees);
-
- /**
- * Set the number of iterations
- * @param numIterations number of iterations
- */
- void setNumIterations(int numIterations);
-
- /**
- * Get the initial rule (the axiom)
- * @return the axiom
- */
- string getAxiom();
-
- /**
- * Get all rules
- * @return the rules
- */
- map<string,string> getRules();
-
- /**
- * Get the turn/pitch/roll angle
- * @return the angle, in degrees
- */
- double getAngle();
-
- /**
- * Get the number of iterations
- * @return number of iterations
- */
- int getNumIterations();
-
- /**
- * Generate l-system data
- */
- void generate();
-
-protected:
-
- /**
- * Walk through the rule string for specified number of levels
- * @param rule the rule
- * @param level current iteration level
- */
- void recursiveWalk(string rule, int level);
-
- /**
- * Verify and preprocess one rule string
- * @param ruleOrAxiom the rule
- * @return the preprocessed rule
- */
- string verifyAndPreprocessRule(string ruleOrAxiom);
-
- /**
- * Unpreprocess one rule string
- * @param ruleOrAxiom the rule
- * @return the unpreprocessed rule
- */
- string unpreprocessRule(string ruleOrAxiom);
-
- // Parameters
- string _axiom;
- map<string,string> _rules; // TODO: use unsorted container?
- int _numIterations;
-
- Model *_model; // The model for generation
- Turtle *_turtle; // The rendering turtle
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <cstdlib>
-
-#include <GL/freeglut.h>
-
-#include "openglwindow.h"
-
-
-OpenGLWindow *openglWindow = NULL;
-
-
-
-int main(int argc, char *argv[])
-{
- glutInit(&argc, argv);
-
- OpenGLWindow window;
-
-
- return EXIT_SUCCESS;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <iostream>
-#include <string>
-
-#include "lsystemparameters.h"
-
-using namespace std;
-
-
-
-/**
- * Constructor
- */
-LSystemParameters::LSystemParameters()
-{
-}
-
-
-
-/**
- * Destructor
- */
-LSystemParameters::~LSystemParameters()
-{
-}
-
-
-
-/**
- * Load parameters from xml file
- * @param lsystem put parameters into this l-system
- * @param path path to xml file
- */
-void LSystemParameters::load(LindenmayerSystem *lsystem, string path)
-{
- if (lsystem)
- {
- try
- {
- // load
- loadFromDisk(path);
-
- // axiom
- findChild("axiom");
- lsystem->setAxiom(getString());
-
- // rules
- if (findChild("rule"))
- {
- do
- {
- lsystem->setRule(getAttribute("name"), getString());
- } while (findNextChild());
- }
-
- // angle
- findChild("angle");
- lsystem->setAngle(getNumber());
-
- // iterations
- findChild("iterations");
- lsystem->setNumIterations((int)getNumber());
- }
- catch (xmlpp::exception e)
- {
- cerr << "LSystemParameters::load(): " << e.what() << endl;
- }
- }
- else
- {
- cerr << "invalid lsystem" << endl;
- }
-}
-
-
-
-/**
- * Save parameters to xml file
- * @param lsystem get parameters from this l-system
- * @param path path to xml file
- */
-void LSystemParameters::save(LindenmayerSystem *lsystem, string path)
-{
- if (lsystem && !lsystem->getAxiom().empty() && !lsystem->getRules().empty())
- {
- // new document with root node
- createDocumentWithRoot("lsystem");
-
- // axiom
- addChildToRoot("axiom");
- addString(lsystem->getAxiom());
-
- // rules
- map<string,string> rules = lsystem->getRules();
- map<string,string>::iterator currentRule;
- for (currentRule = rules.begin(); currentRule != rules.end(); currentRule++)
- {
- addChildToRoot("rule");
- addString(currentRule->second);
- addAttribute("name", currentRule->first);
- }
-
- // angle
- addChildToRoot("angle");
- addNumber(lsystem->getAngle());
-
- // iterations
- addChildToRoot("iterations");
- addNumber(lsystem->getNumIterations());
-
- // save
- saveToDisk(path);
- }
- else
- {
- cerr << "invalid lsystem" << endl;
- }
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef LSYSTEMPARAMETERS_H
-#define LSYSTEMPARAMETERS_H
-
-#include <string>
-
-#include "lindenmayersystem.h"
-#include "xmlstructure.h"
-
-using namespace std;
-
-
-
-/**
- * Save and load a l-system specification
- */
-class LSystemParameters : protected XMLStructure
-{
-public:
- /**
- * Constructor
- */
- LSystemParameters();
-
- /**
- * Destructor
- */
- ~LSystemParameters();
-
- /**
- * Load parameters from xml file
- * @param lsystem put parameters into this l-system
- * @param path path to xml file
- */
- void load(LindenmayerSystem *lsystem, string path);
-
- /**
- * Save parameters to xml file
- * @param lsystem get parameters from this l-system
- * @param path path to xml file
- */
- void save(LindenmayerSystem *lsystem, string path);
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include "GL/gl.h"
-#include "GL/glu.h"
-
-#include "model.h"
-#include "vector.h"
-
-
-
-/**
- * Constructor
- */
-Model::Model()
-{
- _displayList = glGenLists(1);
-}
-
-
-
-/**
- * Destructor
- */
-Model::~Model()
-{
- glDeleteLists(_displayList, 1);
-}
-
-
-
-/**
- * Connect two points
- * @param diameter diameter of segment
- * @param x1 x start point
- * @param y1 y start point
- * @param z1 z start point
- * @param x2 x end point
- * @param y2 y end point
- * @param z2 z end point
- */
-void Model::segment(double diameter, double x1, double y1, double z1, double x2, double y2, double z2)
-{
- // wireframe
- //
- // glColor3f(1,1,1);
- // glBegin(GL_LINES);
- // glVertex3d(x1, y1, z1);
- // glVertex3d(x2, y2, z2);
- // glEnd();
-
-
-
- // solid
-
- // find rotation vector and angle of cylinder
-
- Vector initial(0.0, 1.0, 0.0); // initial rotation of cylinder
- Vector desired(x2-x1, y2-y1, z2-z1); // desired rotation of cylinder
- desired.normalize();
-
- // rotation angle
- double angle = initial.getAngle(desired);
-
- // rotation vector
- Vector crossProduct = initial.getCrossProduct(desired);
- crossProduct.normalize();
-
-
- // render the cylinder
-
- GLUquadric *quadric = gluNewQuadric();
-
- glColor3f(1.0, 0.5, 0.0);
-
- glPushMatrix();
- glTranslatef(x1, y1, z1);
- glRotatef(angle, crossProduct.getX(), crossProduct.getY(), crossProduct.getZ());
- glRotatef(-90, 1, 0, 0);
-
- gluCylinder(quadric, diameter, diameter, 1.0, 6, 6);
- glPopMatrix();
-}
-
-
-
-/**
- * Draw model to screen
- */
-void Model::draw()
-{
- glCallList(_displayList);
-}
-
-
-
-/**
- * Clear the model
- */
-void Model::clear()
-{
- // TODO: not needed?
-}
-
-
-
-/**
- * Start recording of drawing operations
- */
-void Model::begin()
-{
- glNewList(_displayList, GL_COMPILE);
-}
-
-
-
-/**
- * Stop recording of drawing operations
- */
-void Model::end()
-{
- glEndList();
-}
-
-
-
-/**
- * Begin creation of a filled surface
- */
-void Model::fillBegin()
-{
- glColor3f(0.0, 0.5, 0.0);
- glBegin(GL_POLYGON);
-}
-
-
-
-/**
- * End creation of a filled surface
- */
-void Model::fillEnd()
-{
- glEnd();
-}
-
-
-
-/**
- * Create one vertex in the filled surface
- * @param x x-coordinate
- * @param y y-coordinate
- * @param z z-coordinate
- */
-void Model::point(double x, double y, double z)
-{
- glVertex3d(x, y, z);
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef MODEL_H
-#define MODEL_H
-
-#include <GL/gl.h>
-
-
-
-/**
- * The generated l-system model
- * TODO: inheritance, i.e. Model<-OpenGLModel/WireModel/...?
- */
-class Model
-{
-public:
- /**
- * Constructor
- */
- Model();
-
- /**
- * Destructor
- */
- ~Model();
-
- /**
- * Connect two points
- * @param diameter diameter of segment
- * @param x1 x start point
- * @param y1 y start point
- * @param z1 z start point
- * @param x2 x end point
- * @param y2 y end point
- * @param z2 z end point
- */
- void segment(double diameter, double x1, double y1, double z1, double x2, double y2, double z2);
-
- /**
- * Draw model to screen
- */
- void draw();
-
- /**
- * Clear the model
- */
- void clear();
-
- /**
- * Start recording of drawing operations
- */
- void begin();
-
- /**
- * Stop recording of drawing operations
- */
- void end();
-
- /**
- * Begin creation of a filled surface
- */
- void fillBegin();
-
- /**
- * End creation of a filled surface
- */
- void fillEnd();
-
- /**
- * Create one vertex in the filled surface
- * @param x x-coordinate
- * @param y y-coordinate
- * @param z z-coordinate
- */
- void point(double x, double y, double z);
-
-protected:
-
- GLuint _displayList; // all drawing operations
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <string>
-
-#include <glui.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include <GL/freeglut.h>
-
-#include "callbacks.h"
-#include "lindenmayersystem.h"
-#include "lsystemparameters.h"
-#include "model.h"
-#include "openglwindow.h"
-
-using namespace std;
-
-extern OpenGLWindow *openglWindow;
-
-
-
-/**
- * Constructor
- */
-OpenGLWindow::OpenGLWindow()
-{
- // misc init
-
- openglWindow = this;
- _busyGenerating = true;
- lsystemParametersPath = "lsystem.xml";
- defaultView();
-
-
-
- // init GLUT & GLUI
- // ----------------
-
- // drawing window
- glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
- glutInitWindowSize(800, 800);
- int _window = glutCreateWindow("lsystem");
-
- // return control after closing the window
- glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, 1);
-
- // register callbacks
- glutKeyboardFunc(glutKeyboardCB);
- glutSpecialFunc(glutSpecialCB);
- glutDisplayFunc(glutDisplayCB);
- GLUI_Master.set_glutIdleFunc(glutIdleCB);
-
- // GUI window
- _glui = GLUI_Master.create_glui("lsystem");
-
- // model and l-system creation
- _model = new Model;
- _lsystem = new LindenmayerSystem(_model);
-
- // load lsystem parameters
- _lsystemParameters.load(_lsystem, lsystemParametersPath.c_str());
-
-
-
- // create GLUI widgets
- // -------------------
-
- // axiom
- _axiomEditText = _glui->add_edittext("Axiom", GLUI_EDITTEXT_TEXT);
- _axiomEditText->set_text((char *)_lsystem->getAxiom().c_str());
-
- // rules
- // TODO: make dynamic!
- GLUI_Panel *panel = _glui->add_panel("Rules", GLUI_PANEL_EMBOSSED);
- _ruleEditTexts.push_back(_glui->add_edittext_to_panel(panel, "#1", GLUI_EDITTEXT_TEXT));
- _ruleEditTexts.push_back(_glui->add_edittext_to_panel(panel, "#2", GLUI_EDITTEXT_TEXT));
- _ruleEditTexts.push_back(_glui->add_edittext_to_panel(panel, "#3", GLUI_EDITTEXT_TEXT));
- _ruleEditTexts.push_back(_glui->add_edittext_to_panel(panel, "#4", GLUI_EDITTEXT_TEXT));
- _ruleEditTexts.push_back(_glui->add_edittext_to_panel(panel, "#5", GLUI_EDITTEXT_TEXT));
- _ruleEditTexts[0]->set_w(200);
- _ruleEditTexts[1]->set_w(200);
- _ruleEditTexts[2]->set_w(200);
- _ruleEditTexts[3]->set_w(200);
- _ruleEditTexts[4]->set_w(200);
-
- // sync gui and l-system
- map<string,string> rules = _lsystem->getRules();
- map<string,string>::iterator currentRule;
- int i = 0;
- for (currentRule = rules.begin(); currentRule != rules.end(); currentRule++)
- {
- string rule = currentRule->first + "=" + currentRule->second;
- // TODO: bounds?
- _ruleEditTexts[i++]->set_text((char *)rule.c_str());
- }
-
- // angle
- _angleSpinner = _glui->add_spinner("Angle", GLUI_SPINNER_FLOAT, NULL, -1, (GLUI_Update_CB)gluiSpinnerAngleCB);
- _angleSpinner->set_float_val(_lsystem->getAngle());
- _angleSpinner->set_speed(1.0);
-
- // iterations
- _iterationsSpinner = _glui->add_spinner("Iterations", GLUI_SPINNER_INT);
- _iterationsSpinner->set_int_val(_lsystem->getNumIterations());
-
-
- _glui->add_separator();
-
-
- // live update
- _liveUpdates = 1;
- _liveCheckbox = _glui->add_checkbox("Live update", &_liveUpdates);
-
- // reset
- _glui->add_button("Reset view", -1, (GLUI_Update_CB)gluiButtonResetCB);
-
- // generate
- _glui->add_button("Generate", -1, (GLUI_Update_CB)gluiButtonGenerateCB);
-
-
- _glui->set_main_gfx_window(_window);
-
-
-
-
- // init OpenGL view
- // ----------------
-
- // projection
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(65, 1, 1, 100);
-
- // model view
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- gluLookAt(0.0, 0.0, 2.0,
- 0.0, 0.0, 0.0,
- 0.0, 1.0, 0.0);
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
-
- glShadeModel(GL_SMOOTH);
-
- // light
- GLfloat lightPosition[] = {0.0, 0.0, 2.0, 0.0};
- GLfloat white[] = {1.0, 1.0, 1.0, 1.0};
- glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
- glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
-
- glEnable(GL_COLOR_MATERIAL);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glEnable(GL_DEPTH_TEST);
-
- glutMainLoop();
-}
-
-
-
-/**
- * Destructor
- */
-OpenGLWindow::~OpenGLWindow()
-{
- // save current l-system to disk
- _lsystemParameters.save(_lsystem, lsystemParametersPath.c_str());
-
- delete _lsystem;
- delete _model;
-}
-
-
-
-/**
- * Start generation of l-system data
- */
-void OpenGLWindow::generate()
-{
- _busyGenerating = true;
-
- // read GLUI widgets and set corresponding l-system parameters
-
- // axiom
- char *axiom = _axiomEditText->get_text();
- _lsystem->setAxiom(axiom);
-
- // rules
- vector<char *> rules;
- rules.push_back(_ruleEditTexts[0]->get_text());
- rules.push_back(_ruleEditTexts[1]->get_text());
- rules.push_back(_ruleEditTexts[2]->get_text());
- rules.push_back(_ruleEditTexts[3]->get_text());
- rules.push_back(_ruleEditTexts[4]->get_text());
-
- for (int i = 0; i < rules.size(); i++)
- {
- if (rules[i][0] != '\0')
- {
- // non-empty rule
-
- // separate rule name from the actual rule
- string ruleName(rules[i], 1);
- string theRule(rules[i]+2);
-
- _lsystem->setRule(ruleName, theRule);
- }
- }
-
- // angle
- float angle = _angleSpinner->get_float_val();
- _lsystem->setAngle(angle);
-
- // iterations
- int iterations = _iterationsSpinner->get_int_val();
- _lsystem->setNumIterations(iterations);
-
-
- // start generation
- _model->begin();
- _lsystem->generate();
- _model->end();
-
- _busyGenerating = false;
-}
-
-
-
-/**
- * Move camera left
- */
-void OpenGLWindow::left()
-{
- _xModel += 0.1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Move camera right
- */
-void OpenGLWindow::right()
-{
- _xModel -= 0.1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Move camera up
- */
-void OpenGLWindow::up()
-{
- _yModel -= 0.1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Move camera down
- */
-void OpenGLWindow::down()
-{
- _yModel += 0.1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Move camera forth
- */
-void OpenGLWindow::forth()
-{
- _zModel += 1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Move camera back
- */
-void OpenGLWindow::back()
-{
- _zModel -= 1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Zoom in
- */
-void OpenGLWindow::zoomIn()
-{
- _scaleModel *= 1.1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Zoom out
- */
-void OpenGLWindow::zoomOut()
-{
- _scaleModel /= 1.1;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Rotate around y-axis
- */
-void OpenGLWindow::rotateY()
-{
- _yRotationModel = int(_yRotationModel + 5.0) % 360;
- glutPostRedisplay();
-}
-
-
-
-/**
- * Draw l-system model to screen
- */
-void OpenGLWindow::draw()
-{
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- if (!_busyGenerating)
- {
- // ready for rendering
-
- glPushMatrix();
- glTranslatef(_xModel, _yModel, _zModel);
- glScalef(_scaleModel, _scaleModel, _scaleModel);
- glRotatef(_yRotationModel, 0.0, 1.0, 0.0);
-
- _model->draw();
- glPopMatrix();
- }
-
- glutSwapBuffers();
-}
-
-
-
-/**
- * Reset to default view
- */
-void OpenGLWindow::defaultView()
-{
- _xModel = _yModel = _zModel = 0.0;
- _scaleModel = 1.0;
- _yRotationModel = 0.0;
-}
-
-
-
-/**
- * Check if live mode is activated
- * @return true, if activated
- */
-bool OpenGLWindow::liveActivated()
-{
- return _liveUpdates;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef OPENGLWINDOW_H
-#define OPENGLWINDOW_H
-
-#include <string>
-#include <vector>
-
-#include <glui.h>
-
-#include "lindenmayersystem.h"
-#include "lsystemparameters.h"
-#include "model.h"
-
-using namespace std;
-
-
-
-/**
- * OpenGL drawing context
- */
-class OpenGLWindow
-{
-public:
- /**
- * Constructor
- */
- OpenGLWindow();
-
- /**
- * Destructor
- */
- ~OpenGLWindow();
-
- /**
- * Start generation of l-system data
- */
- void generate();
-
- /**
- * Move camera left
- */
- void left();
-
- /**
- * Move camera right
- */
- void right();
-
- /**
- * Move camera up
- */
- void up();
-
- /**
- * Move camera down
- */
- void down();
-
- /**
- * Move camera forth
- */
- void forth();
-
- /**
- * Move camera back
- */
- void back();
-
- /**
- * Zoom in
- */
- void zoomIn();
-
- /**
- * Zoom out
- */
- void zoomOut();
-
- /**
- * Rotate around y-axis
- */
- void rotateY();
-
- /**
- * Draw l-system model to screen
- */
- void draw();
-
- /**
- * Reset to default view
- */
- void defaultView();
-
- /**
- * Check if live mode is activated
- * @return true, if activated
- */
- bool liveActivated();
-
-protected:
-
- // Model view
- double _xModel, // model coordinate (starting point)
- _yModel,
- _zModel;
- double _scaleModel; // model scale factor
- double _yRotationModel; // model rotation
-
- // L-system
- LindenmayerSystem *_lsystem; // l-system generator
- Model *_model; // the generated l-system model
- LSystemParameters _lsystemParameters; // saves/loads l-system parameters from file
- string lsystemParametersPath; // where to find the l-system rules
-
- // Rendering window
- int _window; // the rendering window
- bool _busyGenerating; // currently generating?
-
- // GUI window
- GLUI *_glui; // the GUI window
- GLUI_EditText *_axiomEditText; // axiom textbox
- vector<GLUI_EditText *> _ruleEditTexts; // rule textboxes
- GLUI_Spinner *_angleSpinner; // angle spinner
- GLUI_Spinner *_iterationsSpinner; // iteration spinner
- GLUI_Checkbox *_liveCheckbox; // live checkbox
- int _liveUpdates; // status of live checkbox
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <cmath>
-
-#include <stack>
-
-#include "coordinate.h"
-#include "model.h"
-#include "turtle.h"
-#include "vector.h"
-
-
-
-/**
- * Constructor
- * @param model render this model
- */
-Turtle::Turtle(Model *model)
-{
- // initial position and orientation
- reset();
-
- // 90 degrees
- _angle = M_PIl / 2.0;
-
- _model = model;
-}
-
-
-
-/**
- * Destructor
- */
-Turtle::~Turtle()
-{
-}
-
-
-
-/**
- * Turn left
- */
-void Turtle::turnLeft()
-{
- // rotate around "up vector"
- _heading.rotate(-_angle, _up);
- _left.rotate(-_angle, _up);
-}
-
-
-
-/**
- * Turn right
- */
-void Turtle::turnRight()
-{
- // rotate around "up vector"
- _heading.rotate(_angle, _up);
- _left.rotate(_angle, _up);
-}
-
-
-
-/**
- * Pitch down
- */
-void Turtle::pitchDown()
-{
- // rotate around "left vector"
- _heading.rotate(-_angle, _left);
- _up.rotate(-_angle, _left);
-}
-
-
-
-/**
- * Pitch up
- */
-void Turtle::pitchUp()
-{
- // rotate around "left vector"
- _heading.rotate(_angle, _left);
- _up.rotate(_angle, _left);
-}
-
-
-
-/**
- * Roll left
- */
-void Turtle::rollLeft()
-{
- // rotate around "heading vector"
- _left.rotate(_angle, _heading);
- _up.rotate(_angle, _heading);
-}
-
-
-
-/**
- * Roll right
- */
-void Turtle::rollRight()
-{
- // rotate around "heading vector"
- _left.rotate(-_angle, _heading);
- _up.rotate(-_angle, _heading);
-}
-
-
-
-/**
- * Turn around
- */
-void Turtle::turnAround()
-{
- // rotate 180 degrees around "up vector"
- _heading.rotate(M_PIl, _up);
- _left.rotate(M_PIl, _up);
-}
-
-
-
-/**
- * Walk forward
- */
-void Turtle::walk()
-{
- // start point
- double startX = _position.getX();
- double startY = _position.getY();
- double startZ = _position.getZ();
-
- // end point
- double endX = startX + _heading.getX();
- double endY = startY + _heading.getY();
- double endZ = startZ + _heading.getZ();
-
-
- // move turtle to new position
- _position.setXYZ(endX, endY, endZ);
-
- if (!_fenceMode)
- {
- // connect the points
- _model->segment(_diameter,
- startX, startY, startZ,
- endX, endY, endZ);
- }
- else
- {
- // part of a filled surface
- _model->point(endX, endY, endZ);
- }
-}
-
-
-
-/**
- * Save current state to stack
- */
-void Turtle::push()
-{
- // position
- _positionStack.push(_position);
-
- // orientation
- _headingStack.push(_heading);
- _leftStack.push(_left);
- _upStack.push(_up);
-
- // diameter
- _diameterStack.push(_diameter);
-}
-
-
-
-/**
- * Restore old state from stack
- */
-void Turtle::pop()
-{
- // position
- _position = _positionStack.top(); _positionStack.pop();
-
- // orientation
- _heading = _headingStack.top(); _headingStack.pop();
- _left = _leftStack.top(); _leftStack.pop();
- _up = _upStack.top(); _upStack.pop();
-
- // diameter
- _diameter = _diameterStack.top(); _diameterStack.pop();
-}
-
-
-
-/**
- * Reset to default state
- */
-void Turtle::reset()
-{
- _diameter = 0.1;
-
- _fenceMode = false;
-
-
- // put turtle at (0,0,0), head upwards, back towards camera
-
- _position.setXYZ(0.0, 0.0, 0.0);
-
- _heading.setXYZ(0.0, 1.0, 0.0);
- _left.setXYZ(1.0, 0.0, 0.0);
- _up.setXYZ(0.0, 0.0, 1.0);
-}
-
-
-
-/**
- * Decrement diameter of segment
- */
-void Turtle::decrementDiameter()
-{
- // TODO: dynamic value...
- _diameter *= 0.8;
-}
-
-
-
-/**
- * Begin creation of a filled surface
- */
-void Turtle::fenceInBegin()
-{
- _fenceMode = true;
-
- _model->fillBegin();
- _model->point(_position.getX(), _position.getY(), _position.getZ());
-}
-
-
-
-/**
- * End creation of a filled surface
- */
-void Turtle::fenceInEnd()
-{
- _model->fillEnd();
-
- _fenceMode = false;
-}
-
-
-
-/**
- * Set turn/pitch/roll angle
- * @param angle the angle, in radians
- */
-void Turtle::setAngle(double radians)
-{
- _angle = radians;
-}
-
-
-
-/**
- * Get turn/pitch/roll angle
- * @return the angle, in radians
- */
-double Turtle::getAngle()
-{
- return _angle;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef TURTLE_H
-#define TURTLE_H
-
-#include <stack>
-
-#include "coordinate.h"
-#include "model.h"
-#include "vector.h"
-
-using namespace std;
-
-
-
-/**
- * The model renderer
- */
-class Turtle
-{
-public:
- /**
- * Constructor
- * @param model render this model
- */
- Turtle(Model *model);
-
- /**
- * Destructor
- */
- ~Turtle();
-
- /**
- * Turn left
- */
- void turnLeft();
-
- /**
- * Turn right
- */
- void turnRight();
-
- /**
- * Pitch down
- */
- void pitchDown();
-
- /**
- * Pitch up
- */
- void pitchUp();
-
- /**
- * Roll left
- */
- void rollLeft();
-
- /**
- * Roll right
- */
- void rollRight();
-
- /**
- * Turn around
- */
- void turnAround();
-
- /**
- * Walk forward
- */
- void walk();
-
- /**
- * Save current state to stack
- */
- void push();
-
- /**
- * Restore old state from stack
- */
- void pop();
-
- /**
- * Reset to default state
- */
- void reset();
-
- /**
- * Decrement diameter of segment
- */
- void decrementDiameter();
-
- /**
- * Begin creation of a filled surface
- */
- void fenceInBegin();
-
- /**
- * End creation of a filled surface
- */
- void fenceInEnd();
-
- /**
- * Set turn/pitch/roll angle
- * @param angle the angle, in radians
- */
- void setAngle(double radians);
-
- /**
- * Get turn/pitch/roll angle
- * @return the angle, in radians
- */
- double getAngle();
-
-protected:
-
- Coordinate _position; // current position
-
- Vector _heading; // forward pointing vector
- Vector _left; // left pointing vector
- Vector _up; // up pointing vector
-
- double _angle; // turn/pitch/roll angle
- double _diameter; // diameter of segment
- bool _fenceMode; // create filled surface?
-
- stack<Coordinate> _positionStack; // positions in stack
- stack<Vector> _headingStack; // heading vectors in stack
- stack<Vector> _leftStack; // left vectors in stack
- stack<Vector> _upStack; // up vectors in stack
- stack<double> _diameterStack; // diameters in stack
-
- Model *_model; // the rendered model
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <cmath>
-
-#include "vector.h"
-
-
-
-/**
- * Constructor
- * @param x the x-coordinate
- * @param y the y-coordinate
- * @param z the z-coordinate
- */
-Vector::Vector(double x, double y, double z)
-{
- setXYZ(x, y, z);
-}
-
-
-
-/**
- * Destructor
- */
-Vector::~Vector()
-{
-}
-
-
-
-/**
- * Rotate around another vector
- * @param angle rotation angle
- * @param vector arbitrary vector to rotate around
- */
-void Vector::rotate(double angle, Vector vector)
-{
- double c = cos(angle);
- double s = sin(angle);
-
- double x =
- _x * (vector._x * vector._x * (1.0 - c) + c) +
- _y * (vector._x * vector._y * (1.0 - c) + vector._z * s) +
- _z * (vector._x * vector._z * (1.0 - c) - vector._y * s);
-
- double y =
- _x * (vector._y * vector._x * (1.0 - c) - vector._z * s) +
- _y * (vector._y * vector._y * (1.0 - c) + c) +
- _z * (vector._y * vector._z * (1.0 - c) + vector._x * s);
-
- double z =
- _x * (vector._z * vector._x * (1.0 - c) + vector._y * s) +
- _y * (vector._z * vector._y * (1.0 - c) - vector._x * s) +
- _z * (vector._z * vector._z * (1.0 - c) + c);
-
- _x = x;
- _y = y;
- _z = z;
-
- // TODO: call it from outside?
- normalize();
-}
-
-
-
-/**
- * Normalize vector
- */
-void Vector::normalize()
-{
- double length = sqrt(_x * _x + _y * _y + _z * _z);
-
- if (length != 0)
- {
- _x /= length;
- _y /= length;
- _z /= length;
- }
-}
-
-
-
-/**
- * Get scalar product of the vectors
- * @param vector arbitrary vector
- * @return the scalar product
- */
-double Vector::getScalarProduct(Vector vector)
-{
- double scalarProduct = getX() * vector.getX() +
- getY() * vector.getY() +
- getZ() * vector.getZ();
-
- return scalarProduct;
-}
-
-
-
-/**
- * Get cross product of the vectors
- * @param vector arbitrary vector
- * @return the cross product
- */
-Vector Vector::getCrossProduct(Vector vector)
-{
- Vector crossProduct(getY() * vector.getZ() - getZ() * vector.getY(),
- getZ() * vector.getX() - getX() * vector.getZ(),
- getX() * vector.getY() - getY() * vector.getX());
-
- return crossProduct;
-}
-
-
-
-/**
- * Get angle between the vectors
- * @param vector the second (normalized) vector
- * @return the angle, in degrees
- */
-double Vector::getAngle(Vector vector)
-{
- double scalarProduct = getScalarProduct(vector);
- double angle = (acos(scalarProduct) / (M_PIl * 2.0)) * 360.0;
-
- return angle;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef VECTOR_H
-#define VECTOR_H
-
-#include "coordinate.h"
-
-
-
-/**
- * 3d vector
- */
-class Vector : public Coordinate
-{
-public:
- /**
- * Constructor
- * @param x the x-coordinate
- * @param y the y-coordinate
- * @param z the z-coordinate
- */
- Vector(double x = 0.0, double y = 1.0, double z = 0.0);
-
- /**
- * Destructor
- */
- ~Vector();
-
- /**
- * Rotate around another vector
- * @param angle rotation angle
- * @param vector arbitrary vector to rotate around
- */
- void rotate(double angle, Vector vector);
-
- /**
- * Normalize vector
- */
- void normalize();
-
- /**
- * Get scalar product of the vectors
- * @param vector arbitrary vector
- * @return the scalar product
- */
- double getScalarProduct(Vector vector);
-
- /**
- * Get cross product of the vectors
- * @param vector arbitrary vector
- * @return the cross product
- */
- Vector getCrossProduct(Vector vector);
-
- /**
- * Get angle between the vectors
- * @param vector the second (normalized) vector
- * @return the angle, in degrees
- */
- double getAngle(Vector vector);
-};
-
-
-
-#endif
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#include <string>
-
-#include <libxml++/document.h>
-#include <libxml++/nodes/element.h>
-#include <libxml++/nodes/node.h>
-#include <libxml++/parsers/domparser.h>
-
-#include <glibmm/stringutils.h>
-
-#include "xmlstructure.h"
-
-using namespace std;
-
-
-
-/**
- * Constructor
- */
-XMLStructure::XMLStructure()
-{
- _rootElement = NULL;
- _activeElement = NULL;
- _activeDocument = NULL;
- _activeChildInList = NULL;
-}
-
-
-
-/**
- * Destructor
- */
-XMLStructure::~XMLStructure()
-{
- delete _activeDocument;
-}
-
-
-
-/**
- * Create new document with root node
- * @param rootName name of root
- */
-void XMLStructure::createDocumentWithRoot(string rootName)
-{
- delete _activeDocument;
- _activeDocument = new xmlpp::Document;
-
- _rootElement = _activeDocument->create_root_node(rootName);
-}
-
-
-
-/**
- * Add new child to root
- * @param name name of child
- */
-void XMLStructure::addChildToRoot(string name)
-{
- _activeElement = _rootElement->add_child(name);
-}
-
-
-
-/**
- * Add a string as content of current child
- * @param text the text
- */
-void XMLStructure::addString(string text)
-{
- _activeElement->add_child_text(text);
-}
-
-
-
-/**
- * Add a number as content of current child
- * @param value the number
- */
-void XMLStructure::addNumber(double value)
-{
- // convert double -> string
- string numberAsString = Glib::Ascii::dtostr(value);
-
- addString(numberAsString);
-}
-
-
-
-/**
- * Add attribute to current child
- * @param name name of attribute
- * @param value value of attribute
- */
-void XMLStructure::addAttribute(string name, string value)
-{
- _activeElement->set_attribute(name, value);
-}
-
-
-
-/**
- * Save document to file
- * @param path path to file
- */
-void XMLStructure::saveToDisk(string path)
-{
- _activeDocument->write_to_file_formatted(path);
-}
-
-
-
-/**
- * Load document from file
- * @param path path to file
- */
-void XMLStructure::loadFromDisk(string path)
-{
- // TODO: validate?
- //_parser.set_validate(true);
-
- _parser.parse_file(path);
-
- _rootElement = _parser.get_document()->get_root_node();
-}
-
-
-
-/**
- * Find all children with the specified name
- * @param name name of children
- * @return true if found, else false
- */
-bool XMLStructure::findChild(string name)
-{
- _activeList = _rootElement->get_children(name);
- _activeChildInList = _activeList.begin();
-
- return !_activeList.empty();
-}
-
-
-
-/**
- * Find next child in current search result list
- * @return true if found, else false
- */
-bool XMLStructure::findNextChild()
-{
- _activeChildInList++;
-
- bool endOfList = false;
-
- // last child?
- if (_activeChildInList == _activeList.end())
- {
- _activeChildInList--;
- endOfList = true;
- }
-
- return !endOfList;
-}
-
-
-
-/**
- * Get content of current child as a string
- * @return the string
- */
-string XMLStructure::getString()
-{
- // the child
- xmlpp::Node *child = (*_activeChildInList)->get_children().front();
-
- // its content
- string content = dynamic_cast<xmlpp::ContentNode*>(child)->get_content();
-
- return content;
-}
-
-
-
-/**
- * Get content of current child as a number
- * @return the number
- */
-double XMLStructure::getNumber()
-{
- // convert string -> double
- double number = Glib::Ascii::strtod(getString());
-
- return number;
-}
-
-
-
-/**
- * Get attribute value of current child
- * @param name name of attribute
- * @return the value
- */
-string XMLStructure::getAttribute(string name)
-{
- // the child
- xmlpp::Element *child = dynamic_cast<xmlpp::Element*>(*_activeChildInList);
-
- // its attribute value
- string attributeValue = child->get_attribute(name)->get_value();
-
- return attributeValue;
-}
+++ /dev/null
-// Copyright (C) 2006 Erik Dahlberg
-//
-// This file is part of LSystem3d.
-//
-// LSystem3D is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// LSystem3D 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 LSystem3D; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-
-
-
-#ifndef XMLSTRUCTURE_H
-#define XMLSTRUCTURE_H
-
-#include <string>
-
-#include <libxml++/document.h>
-#include <libxml++/nodes/element.h>
-#include <libxml++/nodes/node.h>
-#include <libxml++/parsers/domparser.h>
-
-using namespace std;
-
-
-
-/**
- * Basic logic for building and parsing xml-structures
- */
-class XMLStructure
-{
-public:
- /**
- * Constructor
- */
- XMLStructure();
-
- /**
- * Destructor
- */
- ~XMLStructure();
-
-protected:
-
- // Saver
- // -----
-
- /**
- * Create new document with root node
- * @param rootName name of root
- */
- void createDocumentWithRoot(string rootName);
-
- /**
- * Add new child to root
- * @param name name of child
- */
- void addChildToRoot(string name);
-
- /**
- * Add a string as content of current child
- * @param text the text
- */
- void addString(string text);
-
- /**
- * Add a number as content of current child
- * @param value the number
- */
- void addNumber(double value);
-
- /**
- * Add attribute to current child
- * @param name name of attribute
- * @param value value of attribute
- */
- void addAttribute(string name, string value);
-
- /**
- * Save document to file
- * @param path path to file
- */
- void saveToDisk(string path);
-
-
- // Loader
- // ------
-
- /**
- * Load document from file
- * @param path path to file
- */
- void loadFromDisk(string path);
-
- /**
- * Find all children with the specified name
- * @param name name of children
- * @return true if found, else false
- */
- bool findChild(string name);
-
- /**
- * Find next child in current search result list
- * @return true if found, else false
- */
- bool findNextChild();
-
- /**
- * Get content of current child as a string
- * @return the string
- */
- string getString();
-
- /**
- * Get content of current child as a number
- * @return the number
- */
- double getNumber();
-
- /**
- * Get attribute value of current child
- * @param name name of attribute
- * @return the value
- */
- string getAttribute(string name);
-
-private:
-
- // Saver
- xmlpp::Element *_rootElement;
- xmlpp::Element *_activeElement;
- xmlpp::Document *_activeDocument;
-
- // Loader
- xmlpp::DomParser _parser;
- xmlpp::Node::NodeList _activeList;
- xmlpp::Node::NodeList::iterator _activeChildInList;
-};
-
-
-
-#endif
repositories / lsystem3d.git / commitdiff
