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e5247a3b | 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 TURTLE_H | |
23 | #define TURTLE_H | |
24 | ||
25 | #include <stack> | |
26 | ||
27 | #include "coordinate.h" | |
28 | #include "model.h" | |
29 | #include "vector.h" | |
30 | ||
31 | using namespace std; | |
32 | ||
33 | ||
34 | ||
35 | /** | |
36 | * The model renderer | |
37 | */ | |
38 | class Turtle | |
39 | { | |
40 | public: | |
41 | /** | |
42 | * Constructor | |
43 | * @param model render this model | |
44 | */ | |
45 | Turtle(Model *model); | |
46 | ||
47 | /** | |
48 | * Destructor | |
49 | */ | |
50 | ~Turtle(); | |
51 | ||
52 | /** | |
53 | * Turn left | |
54 | */ | |
55 | void turnLeft(); | |
56 | ||
57 | /** | |
58 | * Turn right | |
59 | */ | |
60 | void turnRight(); | |
61 | ||
62 | /** | |
63 | * Pitch down | |
64 | */ | |
65 | void pitchDown(); | |
66 | ||
67 | /** | |
68 | * Pitch up | |
69 | */ | |
70 | void pitchUp(); | |
71 | ||
72 | /** | |
73 | * Roll left | |
74 | */ | |
75 | void rollLeft(); | |
76 | ||
77 | /** | |
78 | * Roll right | |
79 | */ | |
80 | void rollRight(); | |
81 | ||
82 | /** | |
83 | * Turn around | |
84 | */ | |
85 | void turnAround(); | |
86 | ||
87 | /** | |
88 | * Walk forward | |
89 | */ | |
90 | void walk(); | |
91 | ||
92 | /** | |
93 | * Save current state to stack | |
94 | */ | |
95 | void push(); | |
96 | ||
97 | /** | |
98 | * Restore old state from stack | |
99 | */ | |
100 | void pop(); | |
101 | ||
102 | /** | |
103 | * Reset to default state | |
104 | */ | |
105 | void reset(); | |
106 | ||
107 | /** | |
108 | * Decrement diameter of segment | |
109 | */ | |
110 | void decrementDiameter(); | |
111 | ||
112 | /** | |
113 | * Begin creation of a filled surface | |
114 | */ | |
115 | void fenceInBegin(); | |
116 | ||
117 | /** | |
118 | * End creation of a filled surface | |
119 | */ | |
120 | void fenceInEnd(); | |
121 | ||
122 | /** | |
123 | * Set turn/pitch/roll angle | |
124 | * @param angle the angle, in radians | |
125 | */ | |
126 | void setAngle(double radians); | |
127 | ||
128 | /** | |
129 | * Get turn/pitch/roll angle | |
130 | * @return the angle, in radians | |
131 | */ | |
132 | double getAngle(); | |
133 | ||
134 | protected: | |
135 | ||
136 | Coordinate _position; // current position | |
137 | ||
138 | Vector _heading; // forward pointing vector | |
139 | Vector _left; // left pointing vector | |
140 | Vector _up; // up pointing vector | |
141 | ||
142 | double _angle; // turn/pitch/roll angle | |
143 | double _diameter; // diameter of segment | |
144 | bool _fenceMode; // create filled surface? | |
145 | ||
146 | stack<Coordinate> _positionStack; // positions in stack | |
147 | stack<Vector> _headingStack; // heading vectors in stack | |
148 | stack<Vector> _leftStack; // left vectors in stack | |
149 | stack<Vector> _upStack; // up vectors in stack | |
150 | stack<double> _diameterStack; // diameters in stack | |
151 | ||
152 | Model *_model; // the rendered model | |
153 | }; | |
154 | ||
155 | ||
156 | ||
157 | #endif |