X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=dust.c;h=5ee9e2058345365bf0c2d1d8dcbe133511d20e25;hp=691649d412b821b42f83766a3af059a361b6a4c3;hb=51d56bfe5830a41e61f4ceefb75217f647d994fe;hpb=841f94c4182f8dff0253db9bae4922c3c9039a5f

diff --git a/dust.c b/dust.c
index 691649d..5ee9e20 100644
--- a/dust.c
+++ b/dust.c
@@ -27,15 +27,17 @@ init_dust(void)
 }
 
 void
-move_dust(void)
+move_dust(float ticks)
 {
 	int i;
+	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;
 	}
 }