feat: expose setLightDirection and setLightPosition

thermion_dart/lib/thermion_dart/compatibility/native/thermion_dart.g.dart

@@ -183,6 +183,28 @@ external void clear_lights(
   ffi.Pointer<ffi.Void> viewer,
 );
 
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Pointer<ffi.Void>, EntityId, ffi.Float, ffi.Float, ffi.Float)>()
+external void set_light_position(
+  ffi.Pointer<ffi.Void> viewer,
+  int light,
+  double x,
+  double y,
+  double z,
+);
+
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Pointer<ffi.Void>, EntityId, ffi.Float, ffi.Float, ffi.Float)>()
+external void set_light_direction(
+  ffi.Pointer<ffi.Void> viewer,
+  int light,
+  double x,
+  double y,
+  double z,
+);
+
 @ffi.Native<
     EntityId Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Char>, ffi.Int)>()
 external int load_glb(

thermion_dart/lib/thermion_dart/compatibility/web/interop/thermion_viewer_wasm.dart

@@ -2256,4 +2256,28 @@ class ThermionViewerWasm implements ThermionViewer {
         [_sceneManager!, visible.toJS].toJS,
         null);
   }
+
+  @override
+  Future setLightDirection(ThermionEntity lightEntity, Vector3 direction) async {
+    direction.normalize();
+    _module!.ccall(
+        "set_light_direction",
+        "void",
+        ["void*".toJS, "double".toJS, "double".toJS, "double".toJS].toJS,
+        [_viewer!, direction.x.toJS, direction.y.toJS, direction.z.toJS]
+            .toJS,
+        null);
+  }
+
+  @override
+  Future setLightPosition(
+      ThermionEntity lightEntity, double x, double y, double z) async {
+    _module!.ccall(
+        "set_light_position",
+        "void",
+        ["void*".toJS, "double".toJS, "double".toJS, "double".toJS].toJS,
+        [_viewer!, x.toJS,y.toJS,z.toJS]
+            .toJS,
+        null);
+  }
 }

thermion_dart/lib/thermion_dart/thermion_viewer.dart

@@ -570,10 +570,20 @@ abstract class ThermionViewer {
   Future transformToUnitCube(ThermionEntity entity);
 
   ///
-  /// Directly sets the world space position for [entity] to the given coordinates, skipping all collision detection.
+  /// Directly sets the world space position for [entity] to the given coordinates.
   ///
   Future setPosition(ThermionEntity entity, double x, double y, double z);
 
+  ///
+  /// Set the world space position for [lightEntity] to the given coordinates.
+  ///
+  Future setLightPosition(ThermionEntity lightEntity, double x, double y, double z);
+
+  ///
+  /// Sets the world space direction for [lightEntity] to the given vector.
+  ///
+  Future setLightDirection(ThermionEntity lightEntity, Vector3 direction);
+
   ///
   /// Directly sets the scale for [entity], skipping all collision detection.
   ///

thermion_dart/lib/thermion_dart/thermion_viewer_ffi.dart

@@ -1287,6 +1287,24 @@ class ThermionViewerFFI extends ThermionViewer {
     set_position(_sceneManager!, entity, x, y, z);
   }
 
+  ///
+  ///
+  ///
+  @override
+  Future setLightPosition(
+      ThermionEntity lightEntity, double x, double y, double z) async {
+    set_light_position(_viewer!, lightEntity, x, y, z);
+  }
+
+  ///
+  ///
+  ///
+  @override
+  Future setLightDirection(ThermionEntity lightEntity, Vector3 direction) async {
+    direction.normalize();
+    set_light_direction(_viewer!, lightEntity, direction.x, direction.y, direction.z);
+  }
+
   ///
   ///
   ///