From 4eea1f7389b46f9803242a8cb19cca5c1ed7b492 Mon Sep 17 00:00:00 2001
From: MaddoScientisto <maddo.science@gmail.com>
Date: Mon, 29 Dec 2025 17:27:16 +0100
Subject: [PATCH] Camera Jitter fix

---
 Scripts/Misc/CameraController3D.cs | 50 ++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

diff --git a/Scripts/Misc/CameraController3D.cs b/Scripts/Misc/CameraController3D.cs
index e5b9c42f..4e3c2ba2 100644
--- a/Scripts/Misc/CameraController3D.cs
+++ b/Scripts/Misc/CameraController3D.cs
@@ -8,6 +8,9 @@ public partial class CameraController3D : Camera3D
     
     [Export] public bool EnableSmoothing = true;
     [Export] public bool FollowTargeting = true;
+    [Export] public bool SnapCamera = true;
+    
+    // [Export] public float CameraSnapStep = 0.02f; // 0 = disabled
 
     [Export] public Vector3 DefaultCameraRotation = new Vector3(-36f, 45f, 0f);
     
@@ -59,7 +62,7 @@ public partial class CameraController3D : Camera3D
         }
     }
     
-    public override void _PhysicsProcess(double delta)
+    public override void _Process(double delta)
     {
         if (_target is null) return;
 
@@ -94,7 +97,20 @@ public partial class CameraController3D : Camera3D
             _currentPosition = desiredCameraPos;
         }
 
-        GlobalPosition = _currentPosition;
+        // if (CameraSnapStep > 0f)
+        // {
+        //     _currentPosition = Snap(_currentPosition, CameraSnapStep);
+        // }
+        
+        if (SnapCamera)
+        {
+            GlobalPosition = SnapToPixelGrid(_currentPosition);
+        }
+        else
+        {
+            GlobalPosition = _currentPosition;
+        }
+        //GlobalPosition = _currentPosition;
         // No LookAt or dynamic rotation — angle is fixed
     }
 
@@ -136,4 +152,34 @@ public partial class CameraController3D : Camera3D
 
         return Vector3.Zero;
     }
+    
+    private Vector3 SnapToPixelGrid(Vector3 worldPos)
+    {
+        var viewport = GetViewport();
+        float viewportHeight = viewport.GetVisibleRect().Size.Y;
+
+        // World units per screen pixel
+        float unitsPerPixel = (Size * 2f) / viewportHeight;
+
+        return new Vector3(
+            Mathf.Round(worldPos.X / unitsPerPixel) * unitsPerPixel,
+            Mathf.Round(worldPos.Y / unitsPerPixel) * unitsPerPixel,
+            Mathf.Round(worldPos.Z / unitsPerPixel) * unitsPerPixel
+        );
+    }
+    
+    // private static float Snap(float value, float step)
+    // {
+    //     return Mathf.Round(value / step) * step;
+    // }
+    //
+    // private static Vector3 Snap(Vector3 v, float step)
+    // {
+    //     return new Vector3(
+    //         Snap(v.X, step),
+    //         Snap(v.Y, step),
+    //         Snap(v.Z, step)
+    //     );
+    // }
+
 }
\ No newline at end of file