| 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 MODEL_H |
| 23 | #define MODEL_H |
| 24 | |
| 25 | #include <vector> |
| 26 | |
| 27 | #include <GL/gl.h> |
| 28 | |
| 29 | #include "color.h" |
| 30 | |
| 31 | using namespace std; |
| 32 | |
| 33 | |
| 34 | |
| 35 | /** |
| 36 | * The L-system model |
| 37 | */ |
| 38 | class Model |
| 39 | { |
| 40 | public: |
| 41 | |
| 42 | /** |
| 43 | * Constructor |
| 44 | */ |
| 45 | Model(); |
| 46 | |
| 47 | /** |
| 48 | * Destructor |
| 49 | */ |
| 50 | ~Model(); |
| 51 | |
| 52 | |
| 53 | /** |
| 54 | * Clear the model |
| 55 | */ |
| 56 | void clear(); |
| 57 | |
| 58 | /** |
| 59 | * Render to screen |
| 60 | */ |
| 61 | void draw(); |
| 62 | |
| 63 | /** |
| 64 | * Create a segment |
| 65 | * @param x1 x start point |
| 66 | * @param y1 y start point |
| 67 | * @param z1 z start point |
| 68 | * @param x2 x end point |
| 69 | * @param y2 y end point |
| 70 | * @param z2 z end point |
| 71 | */ |
| 72 | void segment(double x1, double y1, double z1, double x2, double y2, double z2); |
| 73 | |
| 74 | /** |
| 75 | * Specify a vertex |
| 76 | * @param x x-coordinate |
| 77 | * @param y y-coordinate |
| 78 | * @param z z-coordinate |
| 79 | */ |
| 80 | void vertex(double x, double y, double z); |
| 81 | |
| 82 | /** |
| 83 | * Specify a normal |
| 84 | * @param x x-coordinate |
| 85 | * @param y y-coordinate |
| 86 | * @param z z-coordinate |
| 87 | */ |
| 88 | void normal(double x, double y, double z); |
| 89 | |
| 90 | /** |
| 91 | * Begin a modelling session |
| 92 | */ |
| 93 | void begin(); |
| 94 | |
| 95 | /** |
| 96 | * End a modelling session |
| 97 | */ |
| 98 | void end(); |
| 99 | |
| 100 | /** |
| 101 | * Begin creation of a filled polygon |
| 102 | */ |
| 103 | void fillBegin(); |
| 104 | |
| 105 | /** |
| 106 | * End creation of a filled polygon |
| 107 | */ |
| 108 | void fillEnd(); |
| 109 | |
| 110 | /** |
| 111 | * Increment current index to color table |
| 112 | */ |
| 113 | void nextColor(); |
| 114 | |
| 115 | /** |
| 116 | * Decrement current index to color table |
| 117 | */ |
| 118 | void prevColor(); |
| 119 | |
| 120 | /** |
| 121 | * Decrement segment diameter |
| 122 | */ |
| 123 | void decrementDiameter(); |
| 124 | |
| 125 | |
| 126 | /** |
| 127 | * Set current color index |
| 128 | * @param index the color index |
| 129 | */ |
| 130 | void setColorIndex(int index); |
| 131 | |
| 132 | /** |
| 133 | * Set current segment diameter |
| 134 | * @param diameter the diameter |
| 135 | */ |
| 136 | void setDiameter(double diameter); |
| 137 | |
| 138 | /** |
| 139 | * Set segment diameter factor |
| 140 | * @param diameter the diameter factor |
| 141 | */ |
| 142 | void setDiameterFactor(double diameterFactor); |
| 143 | |
| 144 | |
| 145 | /** |
| 146 | * Get current color index |
| 147 | * @return color index |
| 148 | */ |
| 149 | int getColorIndex(); |
| 150 | |
| 151 | /** |
| 152 | * Get current segment diameter |
| 153 | * @return the diameter |
| 154 | */ |
| 155 | double getDiameter(); |
| 156 | |
| 157 | /** |
| 158 | * Get segment diameter factor |
| 159 | * @return the diameter factor |
| 160 | */ |
| 161 | double getDiameterFactor(); |
| 162 | |
| 163 | protected: |
| 164 | |
| 165 | GLuint _displayList; // All drawing operations |
| 166 | |
| 167 | vector<Color> _colorTable; // Color table |
| 168 | int _colorIndex; // Current index to color table |
| 169 | double _diameter; // Current segment diameter |
| 170 | double _diameterFactor; // Diameter factor // TODO: "Diameter factor"? |
| 171 | }; |
| 172 | |
| 173 | |
| 174 | |
| 175 | #endif |