]> Dogcows Code - chaz/yoink/blob - src/Moof/Aabb.hh
scene drawing correctly implemented; new classes
[chaz/yoink] / src / Moof / Aabb.hh
1
2 /*******************************************************************************
3
4 Copyright (c) 2009, Charles McGarvey
5 All rights reserved.
6
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9
10 * Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
15
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
20 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27 *******************************************************************************/
28
29 #ifndef _MOOF_AABB_HH_
30 #define _MOOF_AABB_HH_
31
32 #include <Moof/Drawable.hh>
33 #include <Moof/Math.hh>
34
35
36 namespace Mf {
37
38
39 /**
40 * Axis-aligned Bounding Box
41 */
42
43 struct Aabb : public Drawable
44 {
45 Vector3 min;
46 Vector3 max;
47
48
49 Aabb() {}
50
51 Aabb(const Vector3& a, const Vector3& b)
52 {
53 init(a, b);
54 }
55
56 Aabb(Scalar ax, Scalar ay, Scalar az,
57 Scalar bx, Scalar by, Scalar bz)
58 {
59 Vector3 a(ax, ay, az);
60 Vector3 b(bx, by, bz);
61
62 init(a, b);
63 }
64
65 inline void init(const Vector3& a, const Vector3& b)
66 {
67 if (a[0] < b[0])
68 {
69 min[0] = a[0];
70 max[0] = b[0];
71 }
72 else
73 {
74 min[0] = b[0];
75 max[0] = a[0];
76 }
77 if (a[1] < b[1])
78 {
79 min[1] = a[1];
80 max[1] = b[1];
81 }
82 else
83 {
84 min[1] = b[1];
85 max[1] = a[1];
86 }
87 if (a[2] < b[2])
88 {
89 min[2] = a[2];
90 max[2] = b[2];
91 }
92 else
93 {
94 min[2] = b[2];
95 max[2] = a[2];
96 }
97 }
98
99 inline Vector3 getCenter() const
100 {
101 return Vector3((min[0] + max[0]) / 2.0,
102 (min[1] + max[1]) / 2.0,
103 (min[2] + max[2]) / 2.0);
104 }
105
106 void draw(Scalar alpha) const;
107 };
108
109
110 } // namespace Mf
111
112 #endif // _MOOF_AABB_HH_
113
114 /** vim: set ts=4 sw=4 tw=80: *************************************************/
115
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