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author | dan miller | 2007-10-19 05:20:48 +0000 |
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committer | dan miller | 2007-10-19 05:20:48 +0000 |
commit | d48ea5bb797037069d641da41da0f195f0124491 (patch) | |
tree | 40ff433d94859d629aac933d5ec73b382f62ba1a /libraries/ode-0.9/OPCODE/Ice/IceTriangle.h | |
parent | dont ask (diff) | |
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one more for the gipper
Diffstat (limited to 'libraries/ode-0.9/OPCODE/Ice/IceTriangle.h')
-rw-r--r-- | libraries/ode-0.9/OPCODE/Ice/IceTriangle.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libraries/ode-0.9/OPCODE/Ice/IceTriangle.h b/libraries/ode-0.9/OPCODE/Ice/IceTriangle.h new file mode 100644 index 0000000..a984db8 --- /dev/null +++ b/libraries/ode-0.9/OPCODE/Ice/IceTriangle.h | |||
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1 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
2 | /** | ||
3 | * Contains a handy triangle class. | ||
4 | * \file IceTriangle.h | ||
5 | * \author Pierre Terdiman | ||
6 | * \date January, 17, 2000 | ||
7 | */ | ||
8 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
9 | |||
10 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
11 | // Include Guard | ||
12 | #ifndef __ICETRIANGLE_H__ | ||
13 | #define __ICETRIANGLE_H__ | ||
14 | |||
15 | // Forward declarations | ||
16 | class Moment; | ||
17 | |||
18 | // Partitioning values | ||
19 | enum PartVal | ||
20 | { | ||
21 | TRI_MINUS_SPACE = 0, //!< Triangle is in the negative space | ||
22 | TRI_PLUS_SPACE = 1, //!< Triangle is in the positive space | ||
23 | TRI_INTERSECT = 2, //!< Triangle intersects plane | ||
24 | TRI_ON_PLANE = 3, //!< Triangle and plane are coplanar | ||
25 | |||
26 | TRI_FORCEDWORD = 0x7fffffff | ||
27 | }; | ||
28 | |||
29 | // A triangle class. | ||
30 | class ICEMATHS_API Triangle | ||
31 | { | ||
32 | public: | ||
33 | //! Constructor | ||
34 | inline_ Triangle() {} | ||
35 | //! Constructor | ||
36 | inline_ Triangle(const Point& p0, const Point& p1, const Point& p2) { mVerts[0]=p0; mVerts[1]=p1; mVerts[2]=p2; } | ||
37 | //! Copy constructor | ||
38 | inline_ Triangle(const Triangle& triangle) | ||
39 | { | ||
40 | mVerts[0] = triangle.mVerts[0]; | ||
41 | mVerts[1] = triangle.mVerts[1]; | ||
42 | mVerts[2] = triangle.mVerts[2]; | ||
43 | } | ||
44 | //! Destructor | ||
45 | inline_ ~Triangle() {} | ||
46 | //! Vertices | ||
47 | Point mVerts[3]; | ||
48 | |||
49 | // Methods | ||
50 | void Flip(); | ||
51 | float Area() const; | ||
52 | float Perimeter() const; | ||
53 | float Compacity() const; | ||
54 | void Normal(Point& normal) const; | ||
55 | void DenormalizedNormal(Point& normal) const; | ||
56 | void Center(Point& center) const; | ||
57 | inline_ Plane PlaneEquation() const { return Plane(mVerts[0], mVerts[1], mVerts[2]); } | ||
58 | |||
59 | PartVal TestAgainstPlane(const Plane& plane, float epsilon) const; | ||
60 | // float Distance(Point& cp, Point& cq, Tri& tri); | ||
61 | void ComputeMoment(Moment& m); | ||
62 | float MinEdgeLength() const; | ||
63 | float MaxEdgeLength() const; | ||
64 | void ComputePoint(float u, float v, Point& pt, udword* nearvtx=null) const; | ||
65 | void Inflate(float fat_coeff, bool constant_border); | ||
66 | }; | ||
67 | |||
68 | #endif // __ICETRIANGLE_H__ | ||