source: GTP/trunk/Lib/Vis/Preprocessing/src/Triangle3.h @ 2176

Revision 2176, 1.7 KB checked in by mattausch, 18 years ago (diff)

removed using namespace std from .h

RevLine 
[191]1#ifndef __TRIANGLE3_H
2#define __TRIANGLE3_H
3
4#include "Vector3.h"
5
[1328]6
[860]7namespace GtpVisibilityPreprocessor {
8
[1328]9class AxisAlignedBox3;
10class Ray;
[1932]11class Plane3;
[191]12
[1328]13struct Triangle3
14{
15        Triangle3() {};
16        Triangle3(const Vector3 &a, const Vector3 &b, const Vector3 &c);
[191]17
[1328]18        void Init(const Vector3 &a, const Vector3 &b, const Vector3 &c);
[191]19
[1328]20        Vector3 GetNormal() const;
[544]21
[1328]22        Vector3 GetCenter() const;
23
24        float GetSpatialAngle(const Vector3 &point) const;
25
26        float GetArea() const;
27
28        /// returns bounding box around this triangle
29        AxisAlignedBox3 GetBoundingBox() const;
30
31        /// Casts ray into this triangle. Returns hit
[1344]32        int CastRay(const Ray &ray, float &t, const float nearestT, Vector3 &normal) const;
[1328]33
[2176]34        friend std::ostream& operator<< (std::ostream &s, const Triangle3 &A);
35        friend std::istream& operator>> (std::istream &s, Triangle3 &A);
[1328]36
[1932]37        /** Checks if this triangle is ill-defined.
38        */
39        bool CheckValidity() const;
[1344]40
[1932]41        /** Intersects triangle with plane, returns intersection points
42                if intersection is happening.
43
44                @returns true if triangle intersects plane
45        */
[1933]46        bool GetPlaneIntersection(const Plane3 &plane,
47                                                          Vector3 &intersectA,
48                                                          Vector3 &intersectB) const;
[1932]49
50        ///////////////////
51
52        /// the triangle vertices
53        Vector3 mVertices[3];
[191]54};
55
[1344]56
57// Overload << operator for C++-style output
[2176]58inline std::ostream&
59operator<< (std::ostream &s, const Triangle3 &A)
[1344]60{
61  return s << "(" << A.mVertices[0] << ", " << A.mVertices[1] << ", " << A.mVertices[2] << ")";
[860]62}
[191]63
[1344]64// Overload >> operator for C++-style input
[2176]65inline std::istream&
66operator>> (std::istream &s, Triangle3 &A)
[1344]67{
68  char a;
69  // read "(x, y, z)"
70  return s >> a >> A.mVertices[0] >> a >> A.mVertices[1] >> a >> A.mVertices[2] >> a;
71}
72
73
74}
75
[191]76#endif
77
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