rototiller: extricate draw_pixel() bounds checking

If a z-buffer is added these checks will need to be done independent from and
prior to drawing.  Also it's silly to makergb() pixels which can't be drawn.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/modules/sparkler/rocket.c b/src/modules/sparkler/rocket.c
index 6b9dc5e..2088cc7 100644
--- a/src/modules/sparkler/rocket.c
+++ b/src/modules/sparkler/rocket.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 
 #include "draw.h"
+#include "fb.h"
 #include "particle.h"
 #include "particles.h"
 
@@ -122,10 +123,14 @@ static void rocket_draw(particles_t *particles, particle_t *p, int x, int y, fb_
 {
 	rocket_ctxt_t	*ctxt = p->ctxt;
 
-	if (!draw_pixel(f, x, y, 0xff0000)) {
+	if (!fb_fragment_contains(f, x, y)) {
 		/* kill off parts that wander off screen */
 		ctxt->longevity = 0;
+
+		return;
 	}
+
+	draw_pixel(f, x, y, 0xff0000);
 }