Demo: disable vsync to reduce input lag

pkdawson · Jan 11, 2024 · 13050f6 · 13050f6
1 parent 1baf137
commit 13050f6
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diff --git a/project.godot b/project.godot
@@ -13,6 +13,7 @@ config_version=5
 config/name="Dear ImGui for Godot Demo"
 run/main_scene="res://data/demo.tscn"
 config/features=PackedStringArray("4.2", "C#")
+run/max_fps=60
 config/icon="res://data/icon.svg"
 
 [autoload]
@@ -26,6 +27,7 @@ window/size/viewport_height=720
 window/subwindows/embed_subwindows=false
 window/stretch/mode="canvas_items"
 window/stretch/aspect="expand"
+window/vsync/vsync_mode=0
 
 [dotnet]
 

diff --git a/src/MyNode.cs b/src/MyNode.cs
@@ -11,6 +11,12 @@ public override void _Ready()
     {
         _window = GetWindow();
         GetNode<Button>("../Button1").Pressed += OnButton1Pressed;
+
+        if (DisplayServer.WindowGetVsyncMode() == DisplayServer.VSyncMode.Disabled)
+        {
+            int refreshRate = (int)DisplayServer.ScreenGetRefreshRate();
+            Engine.MaxFps = refreshRate > 0 ? refreshRate : 60;
+        }
     }
 
     public override void _Process(double delta)