Add crude texture transparency

1 files changed, 5 insertions, 1 deletions

diff --git a/assets/shaders/fragment.glsl b/assets/shaders/fragment.glsl
index 71435ef..a7f019d 100644
--- a/assets/shaders/fragment.glsl
+++ b/assets/shaders/fragment.glsl
@@ -14,6 +14,10 @@ void main() {
     float brightness = dot(normalize(surface_normal), normalize(-sun_direction));
     vec3 diffuse = vec3(max(brightness, 0.3));
 
-    color = vec4(diffuse, 1.0) * texture(tex, frag_tex_coord);
+    vec4 texture_color = texture(tex, frag_tex_coord);
+    if (texture_color.a < 0.5) {
+        discard;
+    }
+    color = vec4(diffuse, 1.0) * texture_color;
     color = mix(vec4(sky_color, 1.0), color, 1 - depth);
 }
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