raycaster.c File Reference

#include "raycaster.h"
#include <stdlib.h>
#include <math.h>
#include <pthread.h>
#include "log.h"
#include "graphics.h"
#include "game_state.h"
#include "trigonometry.h"
#include "render.h"
#include "trc_camera.h"
#include "map.h"

Macros
#define	NUM_THREADS   4
#define	RATIO_ANGLE_RAYS   (get_ammount_of_rays() / (float) FOV) /** Relation between AMMOUNT_OF_RAYS and FOV, for making the right steps between every ray */
#define	RAY_COLOR   (rgb_t) {80, 80, 80} /** Color of the rays represented as a line */

Functions
int	get_ammount_of_rays (void)
void	cast_rays_from_to (int start, int end)
void *	multithreading_casting (void *arg)
void	cast_rays (void)
void	init_raycaster (void)
void	quit_raycaster (void)

Variables
ray_t *	rays
pthread_t	threads [NUM_THREADS]
int	threads_ids [NUM_THREADS]

Macro Definition Documentation

NUM_THREADS

#define NUM_THREADS   4

RATIO_ANGLE_RAYS

#define RATIO_ANGLE_RAYS   (get_ammount_of_rays() / (float) FOV) /** Relation between AMMOUNT_OF_RAYS and FOV, for making the right steps between every ray */

RAY_COLOR

#define RAY_COLOR   (rgb_t) {80, 80, 80} /** Color of the rays represented as a line */

Function Documentation

cast_rays()

void cast_rays

(

void

)

Cast the 2D top-down vision rays for the player and calls the 3D render

cast_rays_from_to()

void cast_rays_from_to	(	int	start,
		int	end
	)

get_ammount_of_rays()

int get_ammount_of_rays

(

void

)

Returns the current ammount of rays for current FOV and resolution

init_raycaster()

void init_raycaster

(

void

)

Initialize the raycaster

Note

Don't forget to use quit_raycaster after

multithreading_casting()

void * multithreading_casting

(

void *

arg

)

quit_raycaster()

void quit_raycaster

(

void

)

Safely delete and disable the raycaster

Variable Documentation

rays

ray_t* rays

threads

pthread_t threads[NUM_THREADS]

threads_ids

int threads_ids[NUM_THREADS]