Fixed rederable_fs.glsl changed after broken merging.

modules/base/shaders/renderableplanet_fs.glsl

@@ -46,5 +46,37 @@ in vec4 vs_position;
 Fragment getFragment() {
     vec4 diffuse = texture(texture1, vs_st);
 
-    renderTarget1 = vec4(texture(deltaSTexture, uvw).rgb / phaseFunctionR(nu), 1.0);
- }
+    Fragment frag;
+    if (_performShading) {
+        // directional lighting
+        vec3 origin = vec3(0.0);
+        vec4 spec = vec4(0.0);
+        
+        vec3 n = normalize(vs_normal.xyz);
+        //vec3 e = normalize(camdir);
+        vec3 l_pos = vec3(sun_pos); // sun.
+        vec3 l_dir = normalize(l_pos-objpos.xyz);
+        float intensity = min(max(5*dot(n,l_dir), 0.0), 1);
+        
+        float shine = 0.0001;
+
+        vec4 specular = vec4(0.5);
+        vec4 ambient = vec4(0.0,0.0,0.0,transparency);
+        /*
+        if(intensity > 0.f){
+            // halfway vector
+            vec3 h = normalize(l_dir + e);
+            // specular factor
+            float intSpec = max(dot(h,n),0.0);
+            spec = specular * pow(intSpec, shine);
+        }
+        */
+        diffuse = max(intensity * diffuse, ambient);
+    }
+
+    diffuse[3] = transparency;
+    frag.color = diffuse;
+    frag.depth = vs_position.w;
+
+    return frag;
+}