3 files changed, 8 insertions, 7 deletions
diff --git a/assets/shaders/2d_texcoord.fsh b/assets/shaders/2d_texcoord.fsh
index 276f305..38dc69c 100644
--- a/assets/shaders/2d_texcoord.fsh
+++ b/assets/shaders/2d_texcoord.fsh
@@ -2,17 +2,18 @@
 
 uniform sampler2D g_samplers[255];
 
-const uint SAMPLER_ID_NONE = 255u;
+const int SAMPLER_ID_NONE = 255;
 
 in vec2 g_texcoord;
 in vec4 g_color;
-flat in uint g_sampler;
+flat in int g_sampler;
 
 void main() {
   vec4 color = g_color;
   if( g_sampler != SAMPLER_ID_NONE ) {
-    color = texture2D( g_samplers[g_sampler], g_texcoord );
-    color *= g_color;
+    vec4 tex_color = texture2D( g_samplers[g_sampler], g_texcoord );
+    color *= tex_color;
+    if (color.a < 0.01) discard;
   }
   gl_FragColor = color;
 }
diff --git a/assets/shaders/2d_texcoord.vsh b/assets/shaders/2d_texcoord.vsh
index 3ccc8e7..80c7597 100644
--- a/assets/shaders/2d_texcoord.vsh
+++ b/assets/shaders/2d_texcoord.vsh
@@ -9,7 +9,7 @@ in float in_sampler;
 
 out vec2 g_texcoord;
 out vec4 g_color;
-flat out uint g_sampler;
+flat out int g_sampler;
 
 uniform vec4 g_screenratio;
 
@@ -23,6 +23,6 @@ void main() {
 
   g_texcoord = in_texcoord;
 	g_color = in_clr;
-	g_sampler = uint(in_sampler * 255 + 0.5);
+  g_sampler = int(in_sampler * 255.0 + 0.5);
   gl_Position = ( pos ) * g_screenratio;
 }
diff --git a/assets/shaders/3d.fsh b/assets/shaders/3d.fsh
index ee1208c..276f305 100644
--- a/assets/shaders/3d.fsh
+++ b/assets/shaders/3d.fsh
@@ -11,7 +11,7 @@ flat in uint g_sampler;
 void main() {
   vec4 color = g_color;
   if( g_sampler != SAMPLER_ID_NONE ) {
-    color = texture2D( g_samplers[int(g_sampler)], g_texcoord );
+    color = texture2D( g_samplers[g_sampler], g_texcoord );
     color *= g_color;
   }
   gl_FragColor = color;