work

lib/lights/light_options.dart

@@ -0,0 +1,29 @@
+import 'package:vector_math/vector_math_64.dart' as v;
+
+class LightOptions {
+  String? iblPath;
+  double iblIntensity;
+  int directionalType;
+  double directionalColor;
+  double directionalIntensity;
+  bool directionalCastShadows;
+  late v.Vector3 directionalPosition;
+  late v.Vector3 directionalDirection;
+
+  LightOptions(
+      {required this.iblPath,
+      required this.iblIntensity,
+      required this.directionalType,
+      required this.directionalColor,
+      required this.directionalIntensity,
+      required this.directionalCastShadows,
+      v.Vector3? directionalDirection,
+      v.Vector3? directionalPosition}) {
+    this.directionalDirection = directionalDirection == null
+        ? v.Vector3(0, -1, 0)
+        : directionalDirection;
+    this.directionalPosition = directionalPosition == null
+        ? v.Vector3(0, 100, 0)
+        : directionalPosition;
+  }
+}