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author | dan miller | 2007-10-19 05:24:38 +0000 |
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committer | dan miller | 2007-10-19 05:24:38 +0000 |
commit | f205de7847da7ae1c10212d82e7042d0100b4ce0 (patch) | |
tree | 9acc9608a6880502aaeda43af52c33e278e95b9c /libraries/ode-0.9/OPCODE/OPC_Common.h | |
parent | trying to fix my screwup part deux (diff) | |
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from the start... checking in ode-0.9
Diffstat (limited to 'libraries/ode-0.9/OPCODE/OPC_Common.h')
-rw-r--r-- | libraries/ode-0.9/OPCODE/OPC_Common.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/libraries/ode-0.9/OPCODE/OPC_Common.h b/libraries/ode-0.9/OPCODE/OPC_Common.h new file mode 100644 index 0000000..f134990 --- /dev/null +++ b/libraries/ode-0.9/OPCODE/OPC_Common.h | |||
@@ -0,0 +1,101 @@ | |||
1 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
2 | /* | ||
3 | * OPCODE - Optimized Collision Detection | ||
4 | * Copyright (C) 2001 Pierre Terdiman | ||
5 | * Homepage: http://www.codercorner.com/Opcode.htm | ||
6 | */ | ||
7 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
8 | |||
9 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
10 | /** | ||
11 | * Contains common classes & defs used in OPCODE. | ||
12 | * \file OPC_Common.h | ||
13 | * \author Pierre Terdiman | ||
14 | * \date March, 20, 2001 | ||
15 | */ | ||
16 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
17 | |||
18 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
19 | // Include Guard | ||
20 | #ifndef __OPC_COMMON_H__ | ||
21 | #define __OPC_COMMON_H__ | ||
22 | |||
23 | // [GOTTFRIED]: Just a small change for readability. | ||
24 | #ifdef OPC_CPU_COMPARE | ||
25 | #define GREATER(x, y) AIR(x) > IR(y) | ||
26 | #else | ||
27 | #define GREATER(x, y) fabsf(x) > (y) | ||
28 | #endif | ||
29 | |||
30 | class OPCODE_API CollisionAABB | ||
31 | { | ||
32 | public: | ||
33 | //! Constructor | ||
34 | inline_ CollisionAABB() {} | ||
35 | //! Constructor | ||
36 | inline_ CollisionAABB(const AABB& b) { b.GetCenter(mCenter); b.GetExtents(mExtents); } | ||
37 | //! Destructor | ||
38 | inline_ ~CollisionAABB() {} | ||
39 | |||
40 | //! Get min point of the box | ||
41 | inline_ void GetMin(Point& min) const { min = mCenter - mExtents; } | ||
42 | //! Get max point of the box | ||
43 | inline_ void GetMax(Point& max) const { max = mCenter + mExtents; } | ||
44 | |||
45 | //! Get component of the box's min point along a given axis | ||
46 | inline_ float GetMin(udword axis) const { return mCenter[axis] - mExtents[axis]; } | ||
47 | //! Get component of the box's max point along a given axis | ||
48 | inline_ float GetMax(udword axis) const { return mCenter[axis] + mExtents[axis]; } | ||
49 | |||
50 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
51 | /** | ||
52 | * Setups an AABB from min & max vectors. | ||
53 | * \param min [in] the min point | ||
54 | * \param max [in] the max point | ||
55 | */ | ||
56 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
57 | inline_ void SetMinMax(const Point& min, const Point& max) { mCenter = (max + min)*0.5f; mExtents = (max - min)*0.5f; } | ||
58 | |||
59 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
60 | /** | ||
61 | * Checks a box is inside another box. | ||
62 | * \param box [in] the other box | ||
63 | * \return true if current box is inside input box | ||
64 | */ | ||
65 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
66 | inline_ BOOL IsInside(const CollisionAABB& box) const | ||
67 | { | ||
68 | if(box.GetMin(0)>GetMin(0)) return FALSE; | ||
69 | if(box.GetMin(1)>GetMin(1)) return FALSE; | ||
70 | if(box.GetMin(2)>GetMin(2)) return FALSE; | ||
71 | if(box.GetMax(0)<GetMax(0)) return FALSE; | ||
72 | if(box.GetMax(1)<GetMax(1)) return FALSE; | ||
73 | if(box.GetMax(2)<GetMax(2)) return FALSE; | ||
74 | return TRUE; | ||
75 | } | ||
76 | |||
77 | Point mCenter; //!< Box center | ||
78 | Point mExtents; //!< Box extents | ||
79 | }; | ||
80 | |||
81 | class OPCODE_API QuantizedAABB | ||
82 | { | ||
83 | public: | ||
84 | //! Constructor | ||
85 | inline_ QuantizedAABB() {} | ||
86 | //! Destructor | ||
87 | inline_ ~QuantizedAABB() {} | ||
88 | |||
89 | sword mCenter[3]; //!< Quantized center | ||
90 | uword mExtents[3]; //!< Quantized extents | ||
91 | }; | ||
92 | |||
93 | //! Quickly rotates & translates a vector | ||
94 | inline_ void TransformPoint(Point& dest, const Point& source, const Matrix3x3& rot, const Point& trans) | ||
95 | { | ||
96 | dest.x = trans.x + source.x * rot.m[0][0] + source.y * rot.m[1][0] + source.z * rot.m[2][0]; | ||
97 | dest.y = trans.y + source.x * rot.m[0][1] + source.y * rot.m[1][1] + source.z * rot.m[2][1]; | ||
98 | dest.z = trans.z + source.x * rot.m[0][2] + source.y * rot.m[1][2] + source.z * rot.m[2][2]; | ||
99 | } | ||
100 | |||
101 | #endif //__OPC_COMMON_H__ | ||