From 8ccd003b00115488433cc79f9a99b43b9912b851 Mon Sep 17 00:00:00 2001
From: Cat Flynn <me@ktyl.dev>
Date: Mon, 5 Sep 2022 20:09:34 +0100
Subject: [PATCH] limit fov range

---
 scripts/OrbitCamera.cs | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/scripts/OrbitCamera.cs b/scripts/OrbitCamera.cs
index feac7d0..55280e5 100644
--- a/scripts/OrbitCamera.cs
+++ b/scripts/OrbitCamera.cs
@@ -5,9 +5,10 @@ public class OrbitCamera : Spatial
 {
     [Export]
     private float _lookSensitivity = 200f;
-
     [Export]
     private float _zoomSensitivity = 10f;
+    [Export]
+    private Vector2 _fovRange = new Vector2(10, 60);
 
     [Export]
     private NodePath _cameraPath;
@@ -65,9 +66,18 @@ public class OrbitCamera : Spatial
         }
     }
 
-    private void Zoom(float amount)
+    private void Zoom(int dir)
     {
-        Camera.Fov += amount * _zoomSensitivity / Camera.Fov;
+        if (dir != 1 && dir != -1)
+            throw new ArgumentException();
+
+        var fov = Camera.Fov;
+        var zoom = _zoomSensitivity / Camera.Fov;
+
+        fov += (float)dir * zoom;
+        fov = Mathf.Clamp(fov, _fovRange.x, _fovRange.y);
+
+        Camera.Fov = fov;
     }
 
     private void HandleMouseMovement(InputEventMouseMotion mouseMotion)