ResInsight/Fwk/VizFwk/LibCore/cvfPlane.h
Magne Sjaastad 486f383de7 Integrated changes for framework
Pdm fields can contain a forward declared Pdm object without the include
file
VizFwk: Added VertexColoring shader to be able to use per vertex color
used from drawableGeo::setColorArray()
2014-04-11 11:06:42 +02:00

107 lines
3.9 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cvfObject.h"
#include "cvfVector3.h"
#include "cvfMatrix4.h"
#include "cvfArray.h"
namespace cvf {
//=================================================================================================
//
// Plane class
//
//=================================================================================================
class Plane : public Object
{
public:
enum Side { FRONT, BACK, ON, BOTH };
public:
Plane();
Plane(double A, double B, double C, double D);
Plane(const Plane& other);
~Plane();
const Plane& operator=(const Plane& other);
bool operator==(const Plane& other) const;
bool operator!=(const Plane& other) const;
inline double A() const { return m_A; } ///< Get plane coefficient A
inline double B() const { return m_B; } ///< Get plane coefficient B
inline double C() const { return m_C; } ///< Get plane coefficient C
inline double D() const { return m_D; } ///< Get plane coefficient D
bool isValid() const;
void set(double A, double B, double C, double D);
bool setFromPointAndNormal(const Vec3d& point, const Vec3d& normal);
bool setFromPoints(const Vec3d& p1, const Vec3d& p2, const Vec3d& p3);
Vec3d normal() const;
Vec3d pointInPlane() const;
void flip();
void transform(const Mat4d& matrix);
double distance(const Vec3d& point) const;
double distanceSquared(const Vec3d& point) const;
double distanceToOrigin() const;
bool projectVector(const Vec3d& vector, Vec3d* projectedVector) const;
Vec3d projectPoint(const Vec3d& point) const;
bool intersect(const Plane& other, Vec3d* point, Vec3d* direction = NULL) const;
bool intersect(const Vec3d& a, const Vec3d& b, Vec3d* intersection) const;
size_t clipTriangle(const Vec3d& ta, const Vec3d& tb, const Vec3d& tc, Vec3d clippedPolygon[4]) const;
Side side(const Vec3d& point) const;
Side side(const Vec3dArray& points) const;
private:
double m_A; // Plane equation coefficients
double m_B; //
double m_C; //
double m_D; //
};
}