Krakensbane is working

src/Craft/Krakensbane.cs

@@ -1,5 +1,7 @@
 using System.Diagnostics;
 using Godot;
+using ImGuiNET;
+using Quadratic.Carto.MathExt;
 
 namespace Quadratic.Carto.Craft;
 
@@ -14,23 +16,26 @@ namespace Quadratic.Carto.Craft;
 /// </remarks>
 public sealed partial class Krakensbane : Node3D
 {
-    Node3D? focusedVessel = null;
+    [Export]
+    public Node3D? FocusedVessel { get; set; }
 
     const float maxDistance = 500.0f;
 
+    DVector3 originPosition = DVector3.Zero;
+
     public override void _PhysicsProcess(double delta)
     {
         Debug.Assert(
-            focusedVessel == null || focusedVessel.GetParent() == this,
+            FocusedVessel == null || FocusedVessel.GetParent() == this,
             "Focused vessel must be a direct descendant of Krakensbane"
         );
 
-        if (focusedVessel == null)
+        if (FocusedVessel == null)
         {
             return;
         }
 
-        var vesselPosition = focusedVessel.Transform.Origin;
+        var vesselPosition = FocusedVessel.Transform.Origin;
         var vesselDistance = vesselPosition.Length();
         if (vesselDistance > maxDistance)
         {
@@ -45,7 +50,14 @@ public sealed partial class Krakensbane : Node3D
                 child.Transform = applyTransform * child.Transform;
             }
 
-            GD.Print($"Resetting position; delta = {-vesselPosition}");
+            originPosition += vesselPosition.AsVim().AsDouble();
         }
     }
+
+    public override void _Process(double delta)
+    {
+        ImGui.Begin("Krakensbane");
+        ImGui.Text($"Origin: {originPosition}");
+        ImGui.End();
+    }
 }

src/GlobalUsing.cs

@@ -0,0 +1,16 @@
+// These are the types used in the engine-independent core of the codebase.
+// We add aliases for them to prevent namespace clash with Godot types.
+global using VVector4 = Vim.Math3d.Vector4;
+global using VVector3 = Vim.Math3d.Vector3;
+global using VVector2 = Vim.Math3d.Vector2;
+global using DVector4 = Vim.Math3d.DVector4;
+global using DVector3 = Vim.Math3d.DVector3;
+global using DVector2 = Vim.Math3d.DVector2;
+global using VQuaternion = Vim.Math3d.Quaternion;
+global using VMatrix4x4 = Vim.Math3d.Matrix4x4;
+// Also alias System.Numerics types to prevent namespace clash with Godot types.
+global using NVector4 = System.Numerics.Vector4;
+global using NVector3 = System.Numerics.Vector3;
+global using NVector2 = System.Numerics.Vector2;
+global using NQuaternion = System.Numerics.Quaternion;
+global using NMatrix4x4 = System.Numerics.Matrix4x4;