}
void
-move_dust(void)
+move_dust(float ticks)
{
int i;
- float xscroll = screendx * t_frame;
- float yscroll = screendy * t_frame;
+ float xscroll = screendx * ticks;
+ float yscroll = screendy * ticks;
for(i=0; i<N_DUST_MOTES; i++) {
motes[i].x -= xscroll / (1.3 + motes[i].z);
motes[i].y -= yscroll / (1.3 + motes[i].z);
- if(motes[i].y >= XSIZE) motes[i].x -= XSIZE;
+ if(motes[i].x >= XSIZE) motes[i].x -= XSIZE;
else if(motes[i].x < 0) motes[i].x += XSIZE;
- if(motes[i].y > YSIZE) motes[i].y -= YSIZE;
+ if(motes[i].y >= YSIZE) motes[i].y -= YSIZE;
else if(motes[i].y < 0) motes[i].y += YSIZE;
}
}