fbxmove.c

libfxb是linux下只写操作framebuffer的一个轻量级的库。

/* fbxmove.c - Tests the fb_move_object and fb_draw_image functions.
 *
 * By Michael Bourgeous
 *
 * $Id: fbxmove.c,v 1.10 2001/02/25 20:40:07 lethal Exp $
 */

#include <libfbx/libfbx.h>
#include <math.h>
#include <config.h>

int main()
{
	float speed = 0.125;
	float radians = 0.0;
	float x = 160.0;
	float y = 120.0;
	fb_surface *object;

	fb_init();
	fb_handle_signals();

	object = fb_load_ppm(IMAGEDIR "/smiley.ppm");

	fb_cls();
	
	for(radians = 0.0; radians < (PI * 64.0); radians += (PI / 512.0))
	{
		fb_move_object(speed, radians, &x, &y);
		fb_draw_image(object, fb_screen, (int)x, (int)y);
		speed = 0.1 * (sin(0.125 * radians) + 1.25);
	}

	fb_cleanup();
	return 0;
}