allegro.c

/*
 *	allegro
 *
 *	Created by teamon on 08-11-20.
 *	Copyright (c) 2008 __MyCompanyName__. All rights reserved.
 */

#include <Allegro/allegro.h>
#include <math.h>

int main(int argc, const char *argv[])
{
	allegro_init();
	install_keyboard();
	
	if (set_gfx_mode(GFX_AUTODETECT, 600, 600, 0, 0)) {
		allegro_message("Error setting 320x200x8 gfx mode:\n%s\n", allegro_error);
		return -1;
	}
	int r,g,b;
	
	int x=0, y=1;
	float t=0;
	float a = 1;
	int h = 0;
	
	while(1)
	{
		x = a * sin(t);
		y = a * cos(t);
		t += 0.00001;
		a += 0.00003;
		//clear(screen);
		
		h++;
 		hsv_to_rgb((h/10000) % 360, 100, 80, &r, &g, &b);
		circlefill(screen, 300+x, 300+y, 1, makecol(r, g, b));
		//circlefill(screen, 20, 20+h, 15, makecol(r, g, b));
		
	}
	
	return 0;
}
END_OF_MAIN();