Axial tilt and sun rotation

src/Main.cs

@@ -8,6 +8,7 @@ using Godot.Collections;
 
 public partial class Main : Control
 {
+    public static Random Random = Random.Shared;
     private bool _moving = false;
     [Export]
     private Node3D _yawNode;
@@ -35,17 +36,29 @@ public partial class Main : Control
         _planetHelper = new PlanetHelper(_meshInstance, _textureRect);
         UpdateStats();
         Projector.GatherPoints(_planetHelper, int.Parse(GetNode<LineEdit>("%Resolution").Text));
+        AxialTiltChanged(GetNode<LineEdit>("%AxialTilt").Text);
     }
     
     Vector3 _pointerPosition = Vector3.Zero;
     private const float RayLength = 1000.0f;
+
+    private bool _rotateable = false;
+    public void MouseInViewport()
+    {
+        _rotateable = true;
+    }
+
+    public void MouseLeftViewport()
+    {
+        _rotateable = false;
+    }
     public override void _Input(InputEvent @event)
     {
         if (@event is InputEventMouseButton mouseEvent)
         {
             if (mouseEvent.ButtonIndex == MouseButton.Left)
             {
-                _moving = mouseEvent.Pressed;
+                _moving = mouseEvent.Pressed && _rotateable;
             }
             if (mouseEvent.ButtonIndex == MouseButton.WheelUp)
             {
@@ -83,8 +96,8 @@ public partial class Main : Control
             if (result.Count > 0)
             {
                 Vector3 pos = result["position"].AsVector3();
-
                 GD.Print($"Hit: '{pos}'");
+                pos *= _meshInstance.Transform.Basis.Orthonormalized();
                 var closest = _planetHelper.Octree.SearchNearest(pos)?.Id;
                 if (closest != null)
                 {
@@ -95,6 +108,7 @@ public partial class Main : Control
                         _plate = null;
                     UpdateStats();
                     Vector3 vertexPos = _planetHelper.Mdt.GetVertex(_vertex.Id) * 0.01f;
+                    vertexPos *= _meshInstance.Transform.Basis.Inverse().Orthonormalized();
                     _pointerPosition = (Vector3)vertexPos + (vertexPos * (_vertex.Height + 0.01f) * 0.1f); // vertexPos * 1.01f;  
                 }
 
@@ -110,7 +124,12 @@ public partial class Main : Control
             _planetHelper.AutoRun = true;
         }
         _planetHelper.Process();
-        GetNode<Node3D>("%Pointer").Position = _pointerPosition;
+        GetNode<Node3D>("%Pointer").GlobalPosition = _pointerPosition;
+        if (_sunRotating)
+        {
+            GetNode<Node3D>("%Sun").Rotation -= GetNode<Node3D>("%Sun").Rotation;
+            GetNode<Node3D>("%Sun").Rotation += new Vector3(0, (float)Mathf.DegToRad(GetNode<HSlider>("%SunAngle").Value), 0);
+        }
     }
     public void UpdateStats()
     {
@@ -201,4 +220,26 @@ public partial class Main : Control
         _resolution = Int32.Parse(change);
         _resolution = Math.Clamp(_resolution, 64, 2048);
     }
+
+    public void AxialTiltChanged(string value)
+    {
+        if (float.TryParse(value, out float tilt))
+        {
+            _meshInstance.RotateZ(-_meshInstance.Rotation.Z);
+            _meshInstance.RotateZ(Mathf.DegToRad(tilt));
+            _axialTilt = tilt;
+        }
+    }
+
+    private bool _sunRotating = false;
+    private float _axialTilt = 0f;
+    public void SunAngleStart()
+    {
+        _sunRotating = true;
+    }
+
+    public void SunAngleStop(bool changed)
+    {
+        _sunRotating = false;
+    }
 }