From 6cde878a505f5edd900a36c49c48199171f5ede6 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Thu, 2 May 2024 01:24:27 +0200
Subject: [PATCH] fix shader

---
 kubi/shaders/world.frag | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/kubi/shaders/world.frag b/kubi/shaders/world.frag
index 6b8e768..48d2df0 100644
--- a/kubi/shaders/world.frag
+++ b/kubi/shaders/world.frag
@@ -10,21 +10,17 @@ out vec4 color;
 uniform sampler2DArray tex;
 uniform bool discard_alpha;
 
-// vec4 alpha_drop(vec4 b, vec4 a) {
-//   if ((a.w < 1.) || (b.w < 1.)) {
-//     return vec4(b.xyz, 0.);
-//   }
-//   return a;
-// }
-
 void main() {
   // base color from texture
   color = texture(tex, vec3(v_uv, v_tex_index));
-  // discard transparent pixels
-  if (color.w < (discard_alpha ? 0.01 : 0.5)) discard;
+
+  // discard fully transparent pixels
+  if (discard_alpha ? (color.w < 0.5) : (color.w == 0.)) discard;
+
   //basic "lighting"
   float light = abs(v_normal.x) + .8 * abs(v_normal.y) + .6 * abs(v_normal.z);
   color *= vec4(vec3(light), 1.);
+
   //discard alpha
   if (discard_alpha) color.w = 1.;
 }