From: John Tsiombikas <nuclear@member.fsf.org>
Date: Mon, 17 Oct 2022 12:46:35 +0000 (+0300)
Subject: fixed fog regression
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=voxscape;a=commitdiff_plain;h=ef75bad26f83c81ee777ca28f38dc181014a5b00

fixed fog regression
---

diff --git a/src/main.c b/src/main.c
index bcf2250..daa03bf 100644
--- a/src/main.c
+++ b/src/main.c
@@ -133,8 +133,6 @@ void display(void)
 {
 	update();
 
-	memset(fb, 0, sizeof fb);
-
 	vox_render(vox);
 	vox_sky_grad(vox, COLOR_HORIZON, COLOR_ZENITH);
 
diff --git a/src/voxscape.c b/src/voxscape.c
index bcd3abf..7d39a8b 100644
--- a/src/voxscape.c
+++ b/src/voxscape.c
@@ -287,7 +287,7 @@ void vox_render_slice(struct voxscape *vox, int n)
 	uint32_t *fbptr;
 
 	if(vox->zfog > 0 && n > vox->zfog) {
-		fog = ((n - vox->zfog) << 8) / (vox->zfar - vox->zfog);
+		fog = ((n - vox->zfog) << 16) / (vox->zfar - vox->zfog);
 	} else {
 		fog = 0;
 	}