diff --git a/bin/OpenLara.exe b/bin/OpenLara.exe
index d63936f..e7da36d 100644
Binary files a/bin/OpenLara.exe and b/bin/OpenLara.exe differ
diff --git a/src/filter.glsl b/src/filter.glsl
index 03710e9..f7f8aa2 100644
--- a/src/filter.glsl
+++ b/src/filter.glsl
@@ -22,9 +22,15 @@ uniform int uType;
 
         vec4 color = vec4(0.0);
         for (float y = -1.5; y < 2.0; y++)
-            for (float x = -1.5; x < 2.0; x++)
-                color += texture2D(sDiffuse, vTexCoord + vec2(x, y) * k);
-        color /= 16.0;
+            for (float x = -1.5; x < 2.0; x++) {
+                vec4 p;
+                p.xyz  = texture2D(sDiffuse, vTexCoord + vec2(x, y) * k).xyz;
+                p.w    = dot(p.xyz, vec3(0.299, 0.587, 0.114));
+                p.xyz *= p.w;
+                color += p;
+            }
+        color.xyz /= color.w;
+        color.w = 1.0;
 
         return color;
     }
diff --git a/src/game.h b/src/game.h
index a1417c6..034acd4 100644
--- a/src/game.h
+++ b/src/game.h
@@ -13,7 +13,7 @@ namespace Game {
     void init() {
         Core::init();
         //level = new Level("LEVEL2_DEMO.PHD", true, false);
-        //level = new Level("GYM.PHD", false, true);
+        //level = new Level("GYM.PSX", false, true);
         //level = new Level("LEVEL3A.PHD", false, false);
         level = new Level("LEVEL2.PSX", false, false);
 
diff --git a/src/lara.h b/src/lara.h
index 8b6ab6f..c25ec1c 100644
--- a/src/lara.h
+++ b/src/lara.h
@@ -31,7 +31,7 @@
 
 #define DESCENT_SPEED       2048.0f
 #define MUZZLE_FLASH_TIME   0.1f
-#define FLASH_LIGHT_COLOR   vec4(0.8f, 0.7f, 0.3f, 3584 * 3584)
+#define FLASH_LIGHT_COLOR   vec4(0.8f, 0.7f, 0.3f, 3072 * 3072)
 #define TARGET_MAX_DIST     (8.0f * 1024.0f)
 
 struct Lara : Character {
@@ -289,7 +289,11 @@ struct Lara : Character {
         pos = vec3(20215, 6656, 52942);
         angle = vec3(0.0f, PI, 0.0f);
         getEntity().room = 14;
-        
+
+    // level 8c
+        pos = vec3(40913, -1012, 42252);
+        angle = vec3(0.0f, PI, 0.0f);
+        getEntity().room = 0;
 */
         updateEntity();
     #endif
@@ -462,7 +466,7 @@ struct Lara : Character {
     }
 
     void wpnChange(Weapon::Type wType) {
-        if (wpnCurrent == wType) return;
+        if (wpnCurrent == wType || home) return;
         wpnNext = wType;
         wpnHide();
     }
diff --git a/src/level.h b/src/level.h
index da11fd4..e571e1b 100644
--- a/src/level.h
+++ b/src/level.h
@@ -855,18 +855,18 @@ struct Level {
 
         Debug::begin();
         //    Debug::Level::rooms(level, lara->pos, lara->getEntity().room);
-            Debug::Level::lights(level, lara->getRoomIndex());
+        //    Debug::Level::lights(level, lara->getRoomIndex());
         //    Debug::Level::sectors(level, lara->getRoomIndex(), (int)lara->pos.y);
         //    Debug::Level::portals(level);
         //    Debug::Level::meshes(level);
         //    Debug::Level::entities(level);
-
+        
             static int dbg_ambient = 0;
             dbg_ambient = int(time * 2) % 4;
 
             shadow->unbind(sShadow);
             cube->unbind(sEnvironment);
-
+            atlas->bind(sDiffuse);
             glEnable(GL_TEXTURE_2D);
             glDisable(GL_CULL_FACE);
             glColor3f(1, 1, 1);
@@ -884,17 +884,19 @@ struct Level {
                 glTranslatef(0, 0, 256);
                 
                 ambientCache->textures[j * 4 + dbg_ambient]->bind(sDiffuse);
+                
                 glBegin(GL_QUADS);
                     glTexCoord2f(0, 0); glVertex3f(-256,  256, 0);
                     glTexCoord2f(1, 0); glVertex3f( 256,  256, 0);
                     glTexCoord2f(1, 1); glVertex3f( 256, -256, 0);
                     glTexCoord2f(0, 1); glVertex3f(-256, -256, 0);
                 glEnd();
+
                 glPopMatrix();
             }
             glEnable(GL_CULL_FACE);
             glDisable(GL_TEXTURE_2D);
-
+             
             glLineWidth(4);
             glBegin(GL_LINES);
             float S = 64.0f;
@@ -937,7 +939,7 @@ struct Level {
             glEnd();
             glLineWidth(1);
 
- 
+
            /*
             shaders[shGUI]->bind();
             Core::mViewProj = mat4(0, (float)Core::width, (float)Core::height, 0, 0, 1);
diff --git a/src/platform/web/build.bat b/src/platform/web/build.bat
index d71d279..f065120 100644
--- a/src/platform/web/build.bat
+++ b/src/platform/web/build.bat
@@ -3,7 +3,7 @@ cls
 set SRC=main.cpp
 set PROJ=OpenLara
 set FLAGS=-O3 -Wno-deprecated-register --llvm-opts 2 -fmax-type-align=2 -std=c++11 -I../../
-set PRELOAD=./LEVEL2.PSX
+set PRELOAD=./GYM.PSX
 echo.
 call em++ %SRC% %FLAGS% -o %PROJ%.js --preload-file %PRELOAD%
 gzip.exe -9 -f %PROJ%.data %PROJ%.js %PROJ%.js.mem
\ No newline at end of file
diff --git a/src/platform/web/index.html b/src/platform/web/index.html
index 3c468c9..b952e8e 100644
--- a/src/platform/web/index.html
+++ b/src/platform/web/index.html
@@ -102,7 +102,5 @@
 				};
 
 			</script>
-
-			<audio autoplay loop><source src="05.ogg" type="audio/ogg"></audio>
 		</body>
 </html>
\ No newline at end of file