lib/gamnit depth: discard fragments with a low alpha value

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/depth/more_materials.nit b/lib/gamnit/depth/more_materials.nit
index aa9600c..613ff1a 100644 (file)
--- a/lib/gamnit/depth/more_materials.nit
+++ b/lib/gamnit/depth/more_materials.nit
@@ -325,6 +325,8 @@ class LambertProgram
                                gl_FragColor += lambert * diffuse_color * texture2D(map_diffuse, v_tex_coord);
                        else
                                gl_FragColor += lambert * diffuse_color;
+
+                       if (gl_FragColor.a < 0.01) discard;
                }
                """ @ glsl_fragment_shader