Krakensbane is working

res/scene/test.tscn

@@ -1,16 +1,7 @@
-[gd_scene load_steps=11 format=3 uid="uid://tht1tf5iq6lw"]
+[gd_scene load_steps=12 format=3 uid="uid://tht1tf5iq6lw"]
 
-[ext_resource type="Script" path="res://src/testing/TestThruster.cs" id="1_y7wni"]
+[ext_resource type="Script" path="res://src/Craft/Krakensbane.cs" id="1_ju4qj"]
-
+[ext_resource type="Script" path="res://src/Testing/TestThruster.cs" id="2_1t1tx"]
-[sub_resource type="BoxShape3D" id="BoxShape3D_xxi7g"]
-size = Vector3(16.9697, 0.0310059, 15.6934)
-
-[sub_resource type="PlaneMesh" id="PlaneMesh_xcndr"]
-size = Vector2(20, 20)
-
-[sub_resource type="BoxShape3D" id="BoxShape3D_8al46"]
-
-[sub_resource type="BoxMesh" id="BoxMesh_jgj3c"]
 
 [sub_resource type="PhysicalSkyMaterial" id="PhysicalSkyMaterial_uxbcq"]
 
@@ -25,32 +16,18 @@ sky = SubResource("Sky_iakm3")
 
 [sub_resource type="Compositor" id="Compositor_tt8nt"]
 
+[sub_resource type="BoxShape3D" id="BoxShape3D_8al46"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_jgj3c"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_xxi7g"]
+size = Vector3(16.9697, 0.0310059, 15.6934)
+
+[sub_resource type="PlaneMesh" id="PlaneMesh_xcndr"]
+size = Vector2(20, 20)
+
 [node name="root" type="Node3D"]
 
-[node name="ground" type="StaticBody3D" parent="."]
-disable_mode = 1
-input_ray_pickable = false
-
-[node name="CollisionShape3D" type="CollisionShape3D" parent="ground"]
-shape = SubResource("BoxShape3D_xxi7g")
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="ground"]
-mesh = SubResource("PlaneMesh_xcndr")
-
-[node name="test-rocket" type="RigidBody3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.815224, 0)
-script = ExtResource("1_y7wni")
-
-[node name="CollisionShape3D" type="CollisionShape3D" parent="test-rocket"]
-shape = SubResource("BoxShape3D_8al46")
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="test-rocket"]
-mesh = SubResource("BoxMesh_jgj3c")
-
-[node name="Camera3D" type="Camera3D" parent="test-rocket"]
-transform = Transform3D(1, 0, 0, 0, 0.91772, 0.397228, 0, -0.397228, 0.91772, 0, 4.51745, 14.147)
-current = true
-
 [node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
 transform = Transform3D(0.767277, -0.356166, -0.533322, 0.641316, 0.42612, 0.638072, 0, -0.831605, 0.555367, -9.52374, 5.38917, 8.97674)
 
@@ -58,3 +35,31 @@ transform = Transform3D(0.767277, -0.356166, -0.533322, 0.641316, 0.42612, 0.638
 environment = SubResource("Environment_0rcmt")
 camera_attributes = SubResource("CameraAttributesPhysical_irbnp")
 compositor = SubResource("Compositor_tt8nt")
+
+[node name="FloatingOriginRoot" type="Node3D" parent="." node_paths=PackedStringArray("FocusedVessel")]
+script = ExtResource("1_ju4qj")
+FocusedVessel = NodePath("test-rocket")
+
+[node name="test-rocket" type="RigidBody3D" parent="FloatingOriginRoot"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.815224, 0)
+script = ExtResource("2_1t1tx")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="FloatingOriginRoot/test-rocket"]
+shape = SubResource("BoxShape3D_8al46")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="FloatingOriginRoot/test-rocket"]
+mesh = SubResource("BoxMesh_jgj3c")
+
+[node name="Camera3D" type="Camera3D" parent="FloatingOriginRoot/test-rocket"]
+transform = Transform3D(1, 0, 0, 0, 0.91772, 0.397228, 0, -0.397228, 0.91772, 0, 4.51745, 14.147)
+current = true
+
+[node name="ground" type="StaticBody3D" parent="FloatingOriginRoot"]
+disable_mode = 1
+input_ray_pickable = false
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="FloatingOriginRoot/ground"]
+shape = SubResource("BoxShape3D_xxi7g")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="FloatingOriginRoot/ground"]
+mesh = SubResource("PlaneMesh_xcndr")

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;