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1 | // Copyright (C) 2006 Erik Dahlberg |
2 | // |
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3 | // This file is part of LSystem3D. |
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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 VECTOR_H |
23 | #define VECTOR_H |
24 | |
25 | #include "coordinate.h" |
26 | |
27 | |
28 | |
29 | /** |
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30 | * 3D vector |
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31 | */ |
32 | class Vector : public Coordinate |
33 | { |
34 | public: |
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35 | |
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36 | /** |
37 | * Constructor |
38 | * @param x the x-coordinate |
39 | * @param y the y-coordinate |
40 | * @param z the z-coordinate |
41 | */ |
42 | Vector(double x = 0.0, double y = 1.0, double z = 0.0); |
43 | |
44 | /** |
45 | * Destructor |
46 | */ |
47 | ~Vector(); |
48 | |
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49 | |
50 | /** |
51 | * Normalize vector |
52 | */ |
53 | void normalize(); |
54 | |
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55 | /** |
56 | * Rotate around another vector |
57 | * @param angle rotation angle |
58 | * @param vector arbitrary vector to rotate around |
59 | */ |
60 | void rotate(double angle, Vector vector); |
61 | |
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62 | |
63 | /** |
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64 | * Get scalar product of two vectors |
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65 | * @param vector arbitrary vector |
66 | * @return the scalar product |
67 | */ |
68 | double getScalarProduct(Vector vector); |
69 | |
70 | /** |
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71 | * Get cross product of two vectors |
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72 | * @param vector arbitrary vector |
73 | * @return the cross product |
74 | */ |
75 | Vector getCrossProduct(Vector vector); |
76 | |
77 | /** |
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78 | * Get angle between two vectors |
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79 | * @param vector the second (normalized) vector |
80 | * @return the angle, in degrees |
81 | */ |
82 | double getAngle(Vector vector); |
83 | }; |
84 | |
85 | |
86 | |
87 | #endif |