fixed crashing bug in move_dust() (bounds checking wasn't right)

[vor.git] / dust.c

diff --git a/dust.c b/dust.c
index 3a9f246..b336696 100644 (file)
--- a/dust.c
+++ b/dust.c
@@ -35,9 +35,9 @@ move_dust(void)
        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;
        }
 }