point.h File Reference

Go to the source code of this file.

Data Structures
struct	Point
	struct Point as 2D space pointer. More...

Typedefs
typedef struct Point	Point

Functions
Point *	point_create (float x, float y)
	create a new Point and set x an y
void	point_free (Point *p)
	free memory for the Point p
void	point_set (Point *p, float x, float y)
	Set the values of p.x and p.y.
void	point_get (Point *p, float *x, float *y)
	Get the values of p.x and p.y through the pointers *x and *y.
float	point_get_y (Point *p)
	Get the x value.
float	point_get_x (Point *p)
	Get the y value.
void	point_copy (Point *origin, Point *destination)
	Copy point origin to destination.
float	point_distance (Point *px, Point *py)
	calculate the euclidean distance between two points

Typedef Documentation

Point

typedef struct Point Point

Function Documentation

point_copy()

void point_copy	(	Point *	origin,
		Point *	destination )

Copy point origin to destination.

point_create()

Point * point_create	(	float	x,
		float	y )

create a new Point and set x an y

Returns

the address of the allocated point

point_distance()

float point_distance	(	Point *	px,
		Point *	py )

calculate the euclidean distance between two points

Returns

the distance of *px and *py as a float number

point_free()

void point_free

(

Point *

p

)

free memory for the Point p

Parameters

p	Point to be free

point_get()

void point_get	(	Point *	p,
		float *	x,
		float *	y )

Get the values of p.x and p.y through the pointers *x and *y.

point_get_x()

float point_get_x

(

Point *

p

)

Get the y value.

point_get_y()

float point_get_y

(

Point *

p

)

Get the x value.

point_set()

void point_set	(	Point *	p,
		float	x,
		float	y )

Set the values of p.x and p.y.