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 |