pointsurfaceParallelogram Class Reference

Parallelogram in 3D space with unit coordinates. More...

#include <pointsurface.h>

Collaboration diagram for pointsurfaceParallelogram:

List of all members.

Public Member Functions
	pointsurfaceParallelogram (point3< double > const &p0_, point3< double > const &p1, point3< double > const &p2)
	From the three points construct the parallelograms arms.
void	operator() (bool &accept, double &x, double &y, double &z, doublec u, doublec v) const
	Given a point in a unit square map to a point on the parallelogram in 3D space.
Public Attributes
point3< double >	p0
	The origin.
point3< double >	pu
	The arm of the u-axis.
point3< double >	pv
	The arm of the v-axis.

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Detailed Description

Parallelogram in 3D space with unit coordinates.

Definition at line 142 of file pointsurface.h.

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Constructor & Destructor Documentation

pointsurfaceParallelogram::pointsurfaceParallelogram	(	point3< double > const &	p0_,
		point3< double > const &	p1,
		point3< double > const &	p2
	)			[inline]

From the three points construct the parallelograms arms.

Definition at line 157 of file pointsurface.h.

    : p0(p0_), pu(p1-p0), pv(p2-p0) {}

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Member Function Documentation

void pointsurfaceParallelogram::operator()	(	bool &	accept,
		double &	x,
		double &	y,
		double &	z,
		doublec	u,
		doublec	v
	)			const [inline]

Given a point in a unit square map to a point on the parallelogram in 3D space.

Definition at line 167 of file pointsurface.h.

References p0, pu, pv, point3< T >::x, point3< T >::y, and point3< T >::z.

  {
    accept = true;
    x = p0.x + pu.x*u + pv.x*v;
    y = p0.y + pu.y*u + pv.y*v;
    z = p0.z + pu.z*u + pv.z*v;
  }

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Member Data Documentation

point3<double> pointsurfaceParallelogram::p0

The origin.

Definition at line 147 of file pointsurface.h.

Referenced by operator()().

point3<double> pointsurfaceParallelogram::pu

The arm of the u-axis.

Definition at line 150 of file pointsurface.h.

Referenced by operator()().

point3<double> pointsurfaceParallelogram::pv

The arm of the v-axis.

Definition at line 152 of file pointsurface.h.

Referenced by operator()().

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The documentation for this class was generated from the following file:

• graphicslib/pointsurface.h