feat: add postprocessing

src/app/page.tsx

@@ -12,7 +12,7 @@ import { useControls } from 'leva';
 
 import grassVert from './shaders/grass.vert';
 import grassFrag from './shaders/grass.frag';
-import { Bloom, EffectComposer } from '@react-three/postprocessing';
+import { Bloom, EffectComposer, Noise, Pixelation } from '@react-three/postprocessing';
 
 interface Shader {
 	uniforms: { [key: string]: { value: unknown } };
@@ -501,7 +501,11 @@ export default function Home() {
 			className='canvas'
 		>
 			<EffectComposer>
-				<Bloom />
+				<Noise opacity={0.1} />
+				<Bloom intensity={2}
+					luminanceThreshold={0.5}
+					luminanceSmoothing={0.1} />
+				<Pixelation />
 			</EffectComposer>
 
 			<ambientLight intensity={0.5} />