fix: building works again

Assets/Scripts/MeshGenerator/ShapeGenerator.cs

@@ -6,11 +6,13 @@ public abstract class ShapeGenerator : MonoBehaviour
     #region UnityMethods
     void Start() => GenerateShape();
 
+    #if UNITY_EDITOR
     void OnValidate()
     {
         // prevent 'SendMessage cannot be called during Awake, CheckConsistency, or OnValidate' warning
         UnityEditor.EditorApplication.delayCall += GenerateShape;
     }
+    #endif
     #endregion UnityMethods
 
     protected abstract void GenerateShape();