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source: orxonox.OLD/trunk/src/lib/math/plane.h @ 8460

Last change on this file since 8460 was 7711, checked in by patrick, 19 years ago

trunk: merged the cd branche back to trunk

File size: 2.9 KB
RevLine 
[5420]1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11### File Specific:
12   main-programmer: Christian Meyer
13   co-programmer: ...
14*/
15
[4578]16/*!
[6617]17 * @file plane.h
18 * A basic 3D plane math framework
[5008]19 *
[6617]20 * Contains class to handle planes
[4578]21*/
[2043]22
[6617]23#ifndef __PLANE_H_
24#define __PLANE_H_
[2043]25
26#include <math.h>
[3860]27#include "compiler.h"
[6617]28#include "vector.h"
29#include "line.h"
[2043]30
31//! 3D plane
32/**
33  Class to handle planes in 3-dimensional space
[4578]34
[2043]35  Critical for polygon-based collision detection
36*/
37class Plane
38{
39  public:
[4578]40
[2043]41  Vector n;   //!< Normal vector
42  float k;    //!< Offset constant
[4578]43
[5688]44  Plane (const Vector& a, const Vector& b, const Vector& c);
45  Plane (const Vector& norm, const Vector& p);
46  Plane (const Vector& norm, const sVec3D& p);
47  Plane (const Vector& n, float k) : n(n), k(k) {} //!< assignment constructor
[2043]48  Plane () : n(Vector(1,1,1)), k(0) {}
49  ~Plane () {}
[4578]50
[3228]51  Vector intersectLine (const Line& l) const;
52  float distancePoint (const Vector& p) const;
[7711]53//   float distancePoint (const sVec3D& p) const;
54  float distancePoint (const float* p) const;
[3228]55  float locatePoint (const Vector& p) const;
[2043]56};
57
[4845]58
59
60//! A class that represents a rectangle, this is needed for SpatialSeparation
61class Rectangle
62{
63
64  public:
[5215]65    Rectangle() { this->center = Vector(); }
66    Rectangle(const Vector &center, float len) { this->center = Vector(center.x, center.y, center.z); this->axis[0] = len; this->axis[1] = len; }
[4845]67    virtual ~Rectangle() {}
68
69    /** \brief sets the center of the rectangle to a defined vector @param center the new center */
[5215]70   inline void setCenter(const Vector &center) { this->center = center;}
[4845]71    /** \brief sets the center of the rectangle to a defined vector @param x coord of the center @param y coord of the center @param z coord of the center */
[5215]72   inline void setCenter(float x, float y, float z) { this->center.x = x; this->center.y = y; this->center.z = z; }
[4845]73   /** \brief returns the center of the rectangle to a defined vector @returns center the new center */
[5215]74   inline const Vector& getCenter() const { return this->center; }
[4845]75
76   /** \brief sets both axis of the rectangle to a defined vector @param unityLength the new center */
77   inline void setAxis(float unityLength) { this->axis[0] = unityLength; this->axis[1] = unityLength; }
78   /** \brief sets both axis of the rectangle to a defined vector @param v1 the length of the x axis @param v2 the length of the z axis*/
79   inline void setAxis(float v1, float v2) { this->axis[0] = v1; this->axis[1] = v2; }
[4853]80   /** \brief gets one axis length of the rectangle  @returns the length of the axis 0 */
81   inline float getAxis() { return this-> axis[0]; }
[4845]82
83  private:
[5215]84    Vector          center;
[4851]85    float           axis[2];
[4845]86};
[4851]87
88
[6617]89#endif /* __PLANE_H_ */
[4997]90
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