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source: orxonox.OLD/trunk/src/lib/math/plane.h @ 9122

Last change on this file since 9122 was 9110, checked in by bensch, 18 years ago

orxonox/trunk: merged the Presentation back

File size: 2.9 KB
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[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
[3860]26#include "compiler.h"
[6617]27#include "vector.h"
28#include "line.h"
[2043]29
30//! 3D plane
31/**
32  Class to handle planes in 3-dimensional space
[4578]33
[2043]34  Critical for polygon-based collision detection
35*/
36class Plane
37{
38  public:
[4578]39
[2043]40  Vector n;   //!< Normal vector
41  float k;    //!< Offset constant
[4578]42
[5688]43  Plane (const Vector& a, const Vector& b, const Vector& c);
44  Plane (const Vector& norm, const Vector& p);
45  Plane (const Vector& norm, const sVec3D& p);
46  Plane (const Vector& n, float k) : n(n), k(k) {} //!< assignment constructor
[2043]47  Plane () : n(Vector(1,1,1)), k(0) {}
48  ~Plane () {}
[4578]49
[3228]50  Vector intersectLine (const Line& l) const;
51  float distancePoint (const Vector& p) const;
[7711]52//   float distancePoint (const sVec3D& p) const;
53  float distancePoint (const float* p) const;
[3228]54  float locatePoint (const Vector& p) const;
[2043]55};
56
[4845]57
58
59//! A class that represents a rectangle, this is needed for SpatialSeparation
60class Rectangle
61{
62
63  public:
[5215]64    Rectangle() { this->center = Vector(); }
65    Rectangle(const Vector &center, float len) { this->center = Vector(center.x, center.y, center.z); this->axis[0] = len; this->axis[1] = len; }
[4845]66    virtual ~Rectangle() {}
67
68    /** \brief sets the center of the rectangle to a defined vector @param center the new center */
[5215]69   inline void setCenter(const Vector &center) { this->center = center;}
[4845]70    /** \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]71   inline void setCenter(float x, float y, float z) { this->center.x = x; this->center.y = y; this->center.z = z; }
[4845]72   /** \brief returns the center of the rectangle to a defined vector @returns center the new center */
[5215]73   inline const Vector& getCenter() const { return this->center; }
[4845]74
75   /** \brief sets both axis of the rectangle to a defined vector @param unityLength the new center */
76   inline void setAxis(float unityLength) { this->axis[0] = unityLength; this->axis[1] = unityLength; }
77   /** \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*/
78   inline void setAxis(float v1, float v2) { this->axis[0] = v1; this->axis[1] = v2; }
[4853]79   /** \brief gets one axis length of the rectangle  @returns the length of the axis 0 */
80   inline float getAxis() { return this-> axis[0]; }
[4845]81
82  private:
[5215]83    Vector          center;
[4851]84    float           axis[2];
[4845]85};
[4851]86
87
[6617]88#endif /* __PLANE_H_ */
[4997]89
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