body.h File Reference

#include "gapi.h"
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	gmBody
	Structure representing a physics body with properties for collision and movement. More...

Macros
#define	gnothing   NULL

Enumerations
enum	gmColliderType {   GM_COLLIDER_CIRCLE ,   GM_COLLIDER_RECT }
	Enum to define the type of collider for a physics body. More...

Functions
gmBody	gm_body_create (double mass, double x, double y, double w, double h, gmColliderType c)
	Creates a new physics body with specified properties.
void	gm_max_speed (gmBody *body, double max_speed)
	Limits the maximum speed of a body.
void	gm_min_speed (gmBody *body, double min_speed)
	Sets the minimum speed of a body.
void	gm_speed (gmBody *body, double speed)
	Sets the speed of a body while preserving its direction.
void	gm_max_speed_anim (gmBody *body, double max_speed, void animator(double *value, double target, double dt, double t), double dt, double t)
	Limits the maximum speed of a body using an animation function.
void	gm_min_speed_anim (gmBody *body, double min_speed, void animator(double *value, double target, double dt, double t), double dt, double t)
	Sets the minimum speed of a body using an animation function.
void	gm_speed_anim (gmBody *body, double speed, void animator(double *value, double target, double dt, double t), double dt, double t)
	Sets the speed of a body using an animation function.
gmBody	gm_rectangle_body (double m, double x, double y, double w, double h)
	Creates a rectangular physics body.
gmBody	gm_circle_body (double m, double x, double y, double r)
	Creates a circular physics body.
int	gm_body_contains (gmBody *body, double x, double y)
	Checks if a point is contained within a body's collider.

Macro Definition Documentation

gnothing

#define gnothing   NULL

Enumeration Type Documentation

gmColliderType

enum gmColliderType

Enum to define the type of collider for a physics body.

Enumerator
GM_COLLIDER_CIRCLE	Circular collider
GM_COLLIDER_RECT	Rectangular collider

Function Documentation

gm_body_contains()

int gm_body_contains	(	gmBody *	body,
		double	x,
		double	y )

Checks if a point is contained within a body's collider.

Parameters

body	Pointer to the body to check.
x	The x-coordinate of the point.
y	The y-coordinate of the point.

Returns

1 if the point is inside the body, 0 otherwise.

gm_body_create()

gmBody gm_body_create	(	double	mass,
		double	x,
		double	y,
		double	w,
		double	h,
		gmColliderType	c )

Creates a new physics body with specified properties.

Parameters

mass	The mass of the body.
x	The x-coordinate of the body's position.
y	The y-coordinate of the body's position.
w	The width of the body.
h	The height of the body.
c	The type of collider for the body.

Returns

A new gmBody instance.

gm_circle_body()

gmBody gm_circle_body	(	double	m,
		double	x,
		double	y,
		double	r )

Creates a circular physics body.

Parameters

m	The mass of the body.
x	The x-coordinate of the body's position.
y	The y-coordinate of the body's position.
r	The radius of the body.

Returns

A new circular gmBody instance.

gm_max_speed()

void gm_max_speed	(	gmBody *	body,
		double	max_speed )

Limits the maximum speed of a body.

Parameters

body	Pointer to the body to modify.
max_speed	The maximum allowed speed.

gm_max_speed_anim()

void gm_max_speed_anim	(	gmBody *	body,
		double	max_speed,
		void	animatordouble *value, double target, double dt, double t,
		double	dt,
		double	t )

Limits the maximum speed of a body using an animation function.

Parameters

body	Pointer to the body to modify.
max_speed	The maximum allowed speed.
animator	Function pointer to animate the velocity change.
dt	Delta time for animation.
t	Time parameter for animation.

gm_min_speed()

void gm_min_speed	(	gmBody *	body,
		double	min_speed )

Sets the minimum speed of a body.

Parameters

body	Pointer to the body to modify.
min_speed	The minimum allowed speed.

gm_min_speed_anim()

void gm_min_speed_anim	(	gmBody *	body,
		double	min_speed,
		void	animatordouble *value, double target, double dt, double t,
		double	dt,
		double	t )

Sets the minimum speed of a body using an animation function.

Parameters

body	Pointer to the body to modify.
min_speed	The minimum allowed speed.
animator	Function pointer to animate the velocity change.
dt	Delta time for animation.
t	Time parameter for animation.

gm_rectangle_body()

gmBody gm_rectangle_body	(	double	m,
		double	x,
		double	y,
		double	w,
		double	h )

Creates a rectangular physics body.

Parameters

m	The mass of the body.
x	The x-coordinate of the body's position.
y	The y-coordinate of the body's position.
w	The width of the body.
h	The height of the body.

Returns

A new rectangular gmBody instance.

gm_speed()

void gm_speed	(	gmBody *	body,
		double	speed )

Sets the speed of a body while preserving its direction.

Parameters

body	Pointer to the body to modify.
speed	The speed to set.

gm_speed_anim()

void gm_speed_anim	(	gmBody *	body,
		double	speed,
		void	animatordouble *value, double target, double dt, double t,
		double	dt,
		double	t )

Sets the speed of a body using an animation function.

Parameters

body	Pointer to the body to modify.
speed	The speed to set.
animator	Function pointer to animate the velocity change.
dt	Delta time for animation.
t	Time parameter for animation.