blob: c3b7e62be03a26e148a5bf226bf3885e8a9e515a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
#include "lzy.h"
#include "cfg.h"
#include "rotrect.h"
static long tick = 0;
static void
draw_square(double size, double angle)
{
rotrect(DISPLAY_WIDTH / 2.0, DISPLAY_HEIGHT / 2.0, size, size, angle);
}
void
background_draw(void)
{
tick += 1;
LZY_DrawSetColor(BLACK);
draw_square(300 * sin((double)tick / 50), (double)tick / 40);
draw_square(300 * sin((double)tick / 40), (double)tick / 30);
draw_square(300 * sin((double)tick / 30), (double)tick / 20);
}
|