glus_point.c File Reference

#include "GL/glus.h"

Functions
GLUSvoid GLUSAPIENTRY	glusPoint4Copyf (GLUSfloat result[4], const GLUSfloat point[4])
	Copies a 3D point, given as homogeneous coordinates. More...
GLUSvoid GLUSAPIENTRY	glusPoint3Copyf (GLUSfloat result[3], const GLUSfloat point[3])
	Copies a 2D point, given as homogeneous coordinates. More...
GLUSvoid GLUSAPIENTRY	glusPoint4SubtractPoint4f (GLUSfloat result[3], const GLUSfloat point0[4], const GLUSfloat point1[4])
	Subtracts a 3D point, given as homogeneous coordinates, from another and calculates a 3D vector. More...
GLUSvoid GLUSAPIENTRY	glusPoint3SubtractPoint3f (GLUSfloat result[2], const GLUSfloat point0[3], const GLUSfloat point1[3])
	Subtracts a 2D point, given as homogeneous coordinates, from another and calculates a 2D vector. More...
GLUSvoid GLUSAPIENTRY	glusPoint4AddVector3f (GLUSfloat result[4], const GLUSfloat point[4], const GLUSfloat vector[3])
	Adds a vector to a 3D point, given as homogeneous coordinates. More...
GLUSvoid GLUSAPIENTRY	glusPoint3AddVector2f (GLUSfloat result[3], const GLUSfloat point[3], const GLUSfloat vector[2])
	Adds a vector to a 2D point, given as homogeneous coordinates. More...
GLUSvoid GLUSAPIENTRY	glusPoint4SubtractVector3f (GLUSfloat result[4], const GLUSfloat point[4], const GLUSfloat vector[3])
	Subtracts a vector from a 3D point, given as homogeneous coordinates. More...
GLUSvoid GLUSAPIENTRY	glusPoint3SubtractVector2f (GLUSfloat result[3], const GLUSfloat point[3], const GLUSfloat vector[2])
	Subtracts a vector from a 2D point, given as homogeneous coordinates. More...
GLUSvoid GLUSAPIENTRY	glusPoint4GetQuaternionf (GLUSfloat result[4], const GLUSfloat point[4])
	Converts a 3D point, given as homogeneous coordinates, to a quaternion. More...
GLUSvoid GLUSAPIENTRY	glusPoint4GetVector3f (GLUSfloat result[3], const GLUSfloat point[4])
	Converts a 3D point, given as homogeneous coordinates, to a vector. More...
GLUSvoid GLUSAPIENTRY	glusPoint3GetVector2f (GLUSfloat result[2], const GLUSfloat point[3])
	Converts a 2D point, given as homogeneous coordinates, to a vector. More...
GLUSfloat GLUSAPIENTRY	glusPoint4Distancef (const GLUSfloat point0[4], const GLUSfloat point1[4])
	Calculates the distance of two 3D points, given as homogeneous coordinates. More...
GLUSfloat GLUSAPIENTRY	glusPoint3Distancef (const GLUSfloat point0[3], const GLUSfloat point1[3])
	Calculates the distance of two 2D points, given as homogeneous coordinates. More...

Function Documentation

GLUSvoid GLUSAPIENTRY glusPoint3AddVector2f	(	GLUSfloat	result[3],
		const GLUSfloat	point[3],
		const GLUSfloat	vector[2]
	)

Adds a vector to a 2D point, given as homogeneous coordinates.

Result is the new point.

Parameters

result	The resulting point.
point	The point.
vector	The vector, which is added to the point.

GLUSvoid GLUSAPIENTRY glusPoint3Copyf	(	GLUSfloat	result[3],
		const GLUSfloat	point[3]
	)

Copies a 2D point, given as homogeneous coordinates.

Parameters

result	The destination point.
point	The source point.

GLUSfloat GLUSAPIENTRY glusPoint3Distancef	(	const GLUSfloat	point0[3],
		const GLUSfloat	point1[3]
	)

Calculates the distance of two 2D points, given as homogeneous coordinates.

Parameters

point0	The first point.
point1	The second point.

Returns

The distance of the two points.

GLUSvoid GLUSAPIENTRY glusPoint3GetVector2f	(	GLUSfloat	result[2],
		const GLUSfloat	point[3]
	)

Converts a 2D point, given as homogeneous coordinates, to a vector.

Parameters

result	The resulting vector.
point	The point, which is converted.

GLUSvoid GLUSAPIENTRY glusPoint3SubtractPoint3f	(	GLUSfloat	result[2],
		const GLUSfloat	point0[3],
		const GLUSfloat	point1[3]
	)

Subtracts a 2D point, given as homogeneous coordinates, from another and calculates a 2D vector.

Parameters

result	The resulting vector.
point0	The point subtracted by point1.
point1	The point subtracted from point0.

GLUSvoid GLUSAPIENTRY glusPoint3SubtractVector2f	(	GLUSfloat	result[3],
		const GLUSfloat	point[3],
		const GLUSfloat	vector[2]
	)

Subtracts a vector from a 2D point, given as homogeneous coordinates.

Result is the new point.

Parameters

result	The resulting point.
point	The point.
vector	The vector, which is subtracted from the point.

GLUSvoid GLUSAPIENTRY glusPoint4AddVector3f	(	GLUSfloat	result[4],
		const GLUSfloat	point[4],
		const GLUSfloat	vector[3]
	)

Adds a vector to a 3D point, given as homogeneous coordinates.

Result is the new point.

Parameters

result	The resulting point.
point	The point.
vector	The vector, which is added to the point.

GLUSvoid GLUSAPIENTRY glusPoint4Copyf	(	GLUSfloat	result[4],
		const GLUSfloat	point[4]
	)

Copies a 3D point, given as homogeneous coordinates.

Parameters

result	The destination point.
point	The source point.

GLUSfloat GLUSAPIENTRY glusPoint4Distancef	(	const GLUSfloat	point0[4],
		const GLUSfloat	point1[4]
	)

Calculates the distance of two 3D points, given as homogeneous coordinates.

Parameters

point0	The first point.
point1	The second point.

Returns

The distance of the two points.

GLUSvoid GLUSAPIENTRY glusPoint4GetQuaternionf	(	GLUSfloat	result[4],
		const GLUSfloat	point[4]
	)

Converts a 3D point, given as homogeneous coordinates, to a quaternion.

Parameters

result	The resulting quaternion.
point	The point, which is converted.

GLUSvoid GLUSAPIENTRY glusPoint4GetVector3f	(	GLUSfloat	result[3],
		const GLUSfloat	point[4]
	)

Converts a 3D point, given as homogeneous coordinates, to a vector.

Parameters

result	The resulting vector.
point	The point, which is converted.

GLUSvoid GLUSAPIENTRY glusPoint4SubtractPoint4f	(	GLUSfloat	result[3],
		const GLUSfloat	point0[4],
		const GLUSfloat	point1[4]
	)

Subtracts a 3D point, given as homogeneous coordinates, from another and calculates a 3D vector.

Parameters

result	The resulting vector.
point0	The point subtracted by point1.
point1	The point subtracted from point0.

GLUSvoid GLUSAPIENTRY glusPoint4SubtractVector3f	(	GLUSfloat	result[4],
		const GLUSfloat	point[4],
		const GLUSfloat	vector[3]
	)

Subtracts a vector from a 3D point, given as homogeneous coordinates.

Result is the new point.

Parameters

result	The resulting point.
point	The point.
vector	The vector, which is subtracted from the point.