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Circulos En Allegro

09.22.2006
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        Un codigo para dibujar un circulo en allegro con degradado

#include <allegro.h>

void init();
void deinit();

int main() {
	int cont;
    
    init();
	
	
	for (cont=0;cont<255;cont++){
        circlefill(screen,320,240,255-cont,makecol(cont,0,0));
    }

	while (!key[KEY_ESC]) {
		/* put your code here */
	}

	deinit();
	return 0;
}
END_OF_MAIN();

void init() {
	int depth, res;
	allegro_init();
	depth = desktop_color_depth();
	if (depth == 0) depth = 32;
	set_color_depth(depth);
	res = set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0);
	if (res != 0) {
		allegro_message(allegro_error);
		exit(-1);
	}

	install_timer();
	install_keyboard();
	install_mouse();
	/* add other initializations here */
}

void deinit() {
	clear_keybuf();
	/* add other deinitializations here */
}