point.h File Reference

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

Typedef Documentation

typedef struct Point Point

Function Documentation

void point_copy	(	Point *	origin,
		Point *	destination
	)

Copy point origin to destination.

Point* point_create	(	float	x,
		float	y
	)

create a new Point and set x an y

Returns

the address of the allocated point

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

void point_free

(

Point *

p

)

free memory for the Point p

Parameters

p	Point to be free

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_x

(

Point *

p

)

Get the y value.

float point_get_y

(

Point *

p

)

Get the x value.

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

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