Update point_instance.frag

assets/shaders/point_instance.frag

@@ -22,7 +22,7 @@ void main()
     float radius2 = dot(v_texcoord, v_texcoord);
     if (radius2 > 1.0)
         discard;
-    vec3 n       = vec3(v_texcoord, sqrt(1.0 - radius2));
+    vec3 n       = rotation * vec3(v_texcoord, sqrt(1.0 - radius2));
     vec3 sh      = Irradiance_SphericalHarmonics(n);
     sh           = mix(mix(sh, vec3(dot(sh, vec3(1.0 / 3.0))), 0.5), vec3(1.0), 0.25);
     fo_FragColor = vec4(sh * color * alpha, alpha);