point3d.h File Reference

#include <cmath>
#include <sstream>
#include <algorithm>
#include "raytrace_defs.h"

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Classes
class	Point3D
	A three-dimensional point in space. More...
Typedefs
typedef Point3D	Vector
Functions
Vector	cross_product (const Vector &one, const Vector &two)
double	dot_product (const Vector &A, const Vector &B)
	The dot product of two unit vectors provides the cosine of the angle between the two vectors.
bool	iswhitespace (char c)
template<class _T>
Vector	operator * (Vector &v, const _T n)
Vector	operator * (const Vector &A, double factor)
bool	operator!= (const Vector &A, const Vector &B)
Vector	operator+ (const Vector &A, const Vector &B)
	Add the two vectors and return the new Vector.
Vector	operator- (const Vector &A)
	Unary negation.
Vector	operator- (const Vector &A, const Vector &B)
bool	operator== (const Vector &A, const Vector &B)

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Typedef Documentation

typedef Point3D Vector

Definition at line 9 of file point3d.h.

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Function Documentation

Vector cross_product	(	const Vector &	one,
		const Vector &	two
	)			[inline]

The cross product of two vectors is the normal vector to a plane defined by the two vectors

Definition at line 160 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

Referenced by Polygon::add_vertex(), Polygon::collides_with(), ImageMap::get_color(), and Plane::Plane().

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double dot_product	(	const Vector &	A,
		const Vector &	B
	)			[inline]

The dot product of two unit vectors provides the cosine of the angle between the two vectors.

Definition at line 151 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

Referenced by Polygon::add_vertex(), Sphere::collides_with(), Polygon::collides_with(), Plane::collides_with(), ImageMap::get_color(), Renderable::get_color_contribution(), and Plane::Plane().

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bool iswhitespace

(

char

c

)

[inline]

Definition at line 12 of file point3d.h.

Referenced by Point3D::Point3D().

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template<class _T>

Vector operator *	(	Vector &	v,
		const _T	n
	)			[inline]

Definition at line 170 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

Vector operator *	(	const Vector &	A,
		double	factor
	)			[inline]

Definition at line 133 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

bool operator!=	(	const Vector &	A,
		const Vector &	B
	)			[inline]

Definition at line 144 of file point3d.h.

Vector operator+	(	const Vector &	A,
		const Vector &	B
	)			[inline]

Add the two vectors and return the new Vector.

Definition at line 128 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

Vector operator-

(

const Vector &

A

)

[inline]

Unary negation.

Definition at line 121 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

Vector operator-	(	const Vector &	A,
		const Vector &	B
	)			[inline]

Subtract the two vectors and return the new Vector.

Parameters:

	A	First vector
	B	Second vector

Returns:

result of operation

Definition at line 115 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

bool operator==	(	const Vector &	A,
		const Vector &	B
	)			[inline]

Definition at line 139 of file point3d.h.

References Point3D::x, Point3D::y, and Point3D::z.

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