#define ALLEGRO_STAICLINK
#include <allegro5/allegro.h>
#include <allegro5/allegro_primitives.h>
using namespace std;
const int SZER = 640;
const int WYS = 480;
int main()
{
al_init();
al_init_primitives_addon();
ALLEGRO_DISPLAY *okno = al_create_display(SZER, WYS);
al_install_keyboard();
ALLEGRO_KEYBOARD_STATE klawiatura;
int x = SZER / 2, y = WYS / 2, r = 30;
int x1 = 230, y1 = 100, r1 = 15;
int dx = 1, dy = 1;
do {
al_clear_to_color(al_map_rgb_f(1.0, 0.0, 0.0)); // RGB
al_draw_filled_circle(x, y, r, al_map_rgb_f(0.0, 0.0, 1.0));
al_draw_filled_circle(x1,y1,r1, al_map_rgb_f(0.0,0.0,1.0));
al_draw_field_line(303,308,373,345, al_map_rgb_f(0.0,0.9,1.0));
al_flip_display();
x1 += dx; y1 += dy;
if (x1 + r1 == SZER) dx = -1;
if (y1+ r1 == WYS) dy = -1;
if (x1 - r1 == 0) dx = 1;
if (y1 - r1 == 0) dy = 1;
al_get_keyboard_state(&klawiatura);
if (al_key_down(&klawiatura, ALLEGRO_KEY_RIGHT) && x + r < SZER) ++x;
if (al_key_down(&klawiatura, ALLEGRO_KEY_LEFT) && x - r > 0) --x;
if (al_key_down(&klawiatura, ALLEGRO_KEY_DOWN) && y + r < WYS) ++y;
if (al_key_down(&klawiatura, ALLEGRO_KEY_UP) && y - r > 0) --y;
al_rest(0.001);
} while(!al_key_down(&klawiatura, ALLEGRO_KEY_ESCAPE));
al_destroy_display(okno);
return 0;
}
Podczas kompilowania tego programu wyskoczył mi błąd : al_draw_field_line’ was not declared in this scope . Nie rozumiem dlaczego mam system ubuntu 14.04 LTS.