69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file plane_src.h
|
|
* @author mike
|
|
* @date 1997-01-09
|
|
*/
|
|
|
|
/**
|
|
* An abstract mathematical description of a plane. A plane is defined by the
|
|
* equation Ax + By + Cz + D = 0.
|
|
*/
|
|
class EXPCL_PANDA_MATHUTIL FLOATNAME(LPlane) : public FLOATNAME(LVecBase4) {
|
|
PUBLISHED:
|
|
INLINE_MATHUTIL FLOATNAME(LPlane)();
|
|
INLINE_MATHUTIL FLOATNAME(LPlane)(const FLOATNAME(LVecBase4) ©);
|
|
INLINE_MATHUTIL FLOATNAME(LPlane)(const FLOATNAME(LPoint3) &a,
|
|
const FLOATNAME(LPoint3) &b,
|
|
const FLOATNAME(LPoint3) &c);
|
|
INLINE_MATHUTIL FLOATNAME(LPlane)(const FLOATNAME(LVector3) &normal,
|
|
const FLOATNAME(LPoint3) &point);
|
|
INLINE_MATHUTIL FLOATNAME(LPlane)(FLOATTYPE a, FLOATTYPE b,
|
|
FLOATTYPE c, FLOATTYPE d);
|
|
|
|
INLINE_MATHUTIL FLOATNAME(LPlane) operator * (const FLOATNAME(LMatrix3) &mat) const;
|
|
INLINE_MATHUTIL FLOATNAME(LPlane) operator * (const FLOATNAME(LMatrix4) &mat) const;
|
|
INLINE_MATHUTIL void operator *= (const FLOATNAME(LMatrix4) &mat);
|
|
INLINE_MATHUTIL void xform(const FLOATNAME(LMatrix4) &mat);
|
|
INLINE_MATHUTIL FLOATNAME(LPlane) operator - () const;
|
|
|
|
FLOATNAME(LMatrix4) get_reflection_mat() const;
|
|
|
|
INLINE_MATHUTIL FLOATNAME(LVector3) get_normal() const;
|
|
FLOATNAME(LPoint3) get_point() const;
|
|
|
|
INLINE_MATHUTIL FLOATTYPE dist_to_plane(const FLOATNAME(LPoint3) &point) const;
|
|
|
|
INLINE_MATHUTIL bool normalize();
|
|
INLINE_MATHUTIL FLOATNAME(LPlane) normalized() const;
|
|
INLINE_MATHUTIL FLOATNAME(LPoint3) project(const FLOATNAME(LPoint3) &point) const;
|
|
INLINE_MATHUTIL void flip();
|
|
|
|
INLINE_MATHUTIL bool intersects_line(FLOATNAME(LPoint3) &intersection_point,
|
|
const FLOATNAME(LPoint3) &p1,
|
|
const FLOATNAME(LPoint3) &p2) const;
|
|
INLINE_MATHUTIL bool intersects_line(FLOATTYPE &t,
|
|
const FLOATNAME(LPoint3) &from,
|
|
const FLOATNAME(LVector3) &delta) const;
|
|
|
|
bool intersects_plane(FLOATNAME(LPoint3) &from,
|
|
FLOATNAME(LVector3) &delta,
|
|
const FLOATNAME(LPlane) &other) const;
|
|
|
|
bool intersects_parabola(FLOATTYPE &t1, FLOATTYPE &t2,
|
|
const FLOATNAME(LParabola) ¶bola) const;
|
|
|
|
void output(std::ostream &out) const;
|
|
void write(std::ostream &out, int indent_level = 0) const;
|
|
};
|
|
|
|
INLINE_MATHUTIL std::ostream &
|
|
operator << (std::ostream &out, const FLOATNAME(LPlane) &p);
|
|
|
|
#include "plane_src.I"
|