src/openglwindow.h

   1 // Copyright (C) 2006 Erik Dahlberg
   2 //
   3 // This file is part of LSystem3d.
   4 //
   5 // LSystem3D is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9 //
  10 // LSystem3D is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with LSystem3D; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19
  20
  21
  22 #ifndef OPENGLWINDOW_H
  23 #define OPENGLWINDOW_H
  24
  25 #include <string>
  26 #include <vector>
  27
  28 #include <glui.h>
  29
  30 #include "lindenmayersystem.h"
  31 #include "lsystemparameters.h"
  32 #include "model.h"
  33
  34 using namespace std;
  35
  36
  37
  38 /**
  39  * OpenGL drawing context
  40  */
  41 class OpenGLWindow
  42 {
  43 public:
  44     /**
  45      * Constructor
  46      */
  47     OpenGLWindow();
  48
  49     /**
  50      * Destructor
  51      */
  52     ~OpenGLWindow();
  53
  54     /**
  55      * Start generation of l-system data
  56      */
  57     void generate();
  58
  59     /**
  60      * Move camera left
  61      */
  62     void left();
  63
  64     /**
  65      * Move camera right
  66      */
  67     void right();
  68
  69     /**
  70      * Move camera up
  71      */
  72     void up();
  73
  74     /**
  75      * Move camera down
  76      */
  77     void down();
  78
  79     /**
  80      * Move camera forth
  81      */
  82     void forth();
  83
  84     /**
  85      * Move camera back
  86      */
  87     void back();
  88
  89     /**
  90      * Zoom in
  91      */
  92     void zoomIn();
  93
  94     /**
  95      * Zoom out
  96      */
  97     void zoomOut();
  98
  99     /**
 100      * Rotate around y-axis
 101      */
 102     void rotateY();
 103
 104     /**
 105      * Draw l-system model to screen
 106      */
 107     void draw();
 108
 109     /**
 110      * Reset to default view
 111      */
 112     void defaultView();
 113
 114     /**
 115      * Check if live mode is activated
 116      * @return true, if activated
 117      */
 118     bool liveActivated();
 119
 120 protected:
 121
 122     // Model view
 123     double _xModel,            // model coordinate (starting point)
 124            _yModel,
 125            _zModel;
 126     double _scaleModel;        // model scale factor
 127     double _yRotationModel;    // model rotation
 128
 129     // L-system
 130     LindenmayerSystem *_lsystem;                // l-system generator
 131     Model *_model;                              // the generated l-system model
 132     LSystemParameters _lsystemParameters;       // saves/loads l-system parameters from file
 133     string lsystemParametersPath;               // where to find the l-system rules
 134
 135     // Rendering window
 136     int _window;                // the rendering window
 137     bool _busyGenerating;       // currently generating?
 138
 139     // GUI window
 140     GLUI *_glui;                                // the GUI window
 141     GLUI_EditText *_axiomEditText;              // axiom textbox
 142     vector<GLUI_EditText *> _ruleEditTexts;     // rule textboxes
 143     GLUI_Spinner *_angleSpinner;                // angle spinner
 144     GLUI_Spinner *_iterationsSpinner;           // iteration spinner
 145     GLUI_Checkbox *_liveCheckbox;               // live checkbox
 146     int _liveUpdates;                           // status of live checkbox
 147 };
 148
 149
 150
 151 #endif