fix: misc visual changes

src/app/niko/page.tsx

@@ -80,11 +80,17 @@ function Scene() {
   return (<>
     <Environment
       files={'niko/hdr/sky.hdr'}
-      environmentIntensity={1}
+      environmentIntensity={0.85}
       background
     />
 
-    <fogExp2 attach='fog' args={[0x9a9a9a, 0.01]} />
+    <fogExp2 attach='fog' args={[0x9a9a9a, 0.0125]} />
+
+    <ambientLight intensity={0.5} />
+    <directionalLight
+      position={[15, 25, 15]}
+      intensity={1}
+    />
 
     <Terrain
       chunks={chunks}
@@ -123,9 +129,9 @@ function PostProcessing() {
     <Vignette />
     <Noise opacity={0.05} />
     <Bloom
-      intensity={2}
-      luminanceThreshold={0.5}
-      luminanceSmoothing={0.1}
+      intensity={0.8}
+      luminanceThreshold={0.4}
+      luminanceSmoothing={0.5}
     />
     <SMAA />
     <HueSaturation saturation={0.3} />