diff --git a/global.json b/global.json
new file mode 100644
index 0000000..2d23ad3
--- /dev/null
+++ b/global.json
@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "11.0.100-preview.5.26302.115",
+    "allowPrerelease": true,
+    "rollForward": "latestPatch"
+  }
+}
diff --git a/objects/scenes/demo/demo.tscn b/objects/scenes/demo/demo.tscn
index 354ef2e..6ea319a 100644
--- a/objects/scenes/demo/demo.tscn
+++ b/objects/scenes/demo/demo.tscn
@@ -220,7 +220,7 @@ script = ExtResource("2_oekxy")
 WalkAcceleration = 30.0
 StoppingDeceleration = 50.0
 CancellationAcceleration = 50.0
-AirAcceleration = 9.0
+AirAcceleration = 3.0
 MaxFallSpeed = 50.0
 MaxRiseSpeed = 50.0
 MaxRunSpeed = 12.0
@@ -241,7 +241,7 @@ sprite_frames = ExtResource("2_wq5k4")
 animation = &"walk"
 
 [node name="Camera2D" type="Camera2D" parent="Player/CharacterBody2D" unique_id=1068565115]
-zoom = Vector2(5, 5)
+zoom = Vector2(2, 2)
 
 [node name="Label" type="Label" parent="Player/CharacterBody2D" unique_id=436935745]
 offset_left = 22.0
diff --git a/project.godot b/project.godot
index 99d077e..b99e18e 100644
--- a/project.godot
+++ b/project.godot
@@ -11,6 +11,7 @@ config_version=5
 [application]
 
 config/name="WrplatGodot"
+config/version="0.1.38"
 run/main_scene="uid://r2lb1ommvj6u"
 config/features=PackedStringArray("4.6", "C#", "Forward Plus")
 config/icon="res://icon.svg"
diff --git a/src/components/PlayerPhysicsController.cs b/src/components/PlayerPhysicsController.cs
index 586e722..1168ead 100644
--- a/src/components/PlayerPhysicsController.cs
+++ b/src/components/PlayerPhysicsController.cs
@@ -45,6 +45,10 @@ public partial class PlayerPhysicsController : CharacterBody2D {
     private float MaxRunSpeed { get; set; } = 16f;
     [Export]
     private float MaxWalkSpeed { get; set; } = 8f;
+    [Export]
+    private float MaxAirSpeed { get; set; } = 16f;
+    [Export]
+    private float MaxDoubleJumpFallSpeed { get; set; } = 1f;
 
     [ExportCategory("Objects")]
     [Export]
@@ -75,7 +79,7 @@ public partial class PlayerPhysicsController : CharacterBody2D {
     [Export]
     public float Deadzone { get; set; } = 0.1f;
 
-
+    public float GetMinAccel(float delta) => CancellationAcceleration * delta;
 
 
     private float _lv = 0.0f;
@@ -135,8 +139,6 @@ public partial class PlayerPhysicsController : CharacterBody2D {
         float velx = (Velocity.X / UnitToPx);
         float vely = (Velocity.Y / UnitToPx) + Gravity * (float)delta;
 
-        if (Mathf.Abs(velx) < 0.1) velx = 0;
-
         var grounded = this.IsOnFloor();
         var coyoteGrounded = _timeOffGround < CoyoteTiming;
         if (grounded || coyoteGrounded) {
@@ -205,7 +207,7 @@ public partial class PlayerPhysicsController : CharacterBody2D {
                 }
             }
 
-            if (Input.IsActionJustPressed("jump") && Mathf.Abs(vely) < 2) {
+            if (Input.IsActionJustPressed("jump") && Mathf.Abs(vely) < MaxDoubleJumpFallSpeed) {
                 EmitSignal(SignalName.OnJump, (int)JumpKind.Midair, this.IsOnFloor(), this.IsOnWall());
                 vely = -_lv;
             }
@@ -219,16 +221,13 @@ public partial class PlayerPhysicsController : CharacterBody2D {
             else velx += autostop;
         }
 
-        var maxXSpeed = Input.IsActionPressed("run") ? MaxRunSpeed : MaxWalkSpeed;
+        var maxXSpeed = grounded ? Input.IsActionPressed("run") ? MaxRunSpeed : MaxWalkSpeed : MaxAirSpeed;
         var maxYSpeed = vely > 0 ? MaxFallSpeed : MaxRiseSpeed;
         var (absvelx, absvely) = (Mathf.Abs(velx), Mathf.Abs(vely));
-        float xcancel = 0, ycancel = 0;
-        if (absvelx > maxXSpeed) xcancel = -Math.Sign(velx) * CancellationAcceleration * (float)delta;
-        if (absvely > maxYSpeed) ycancel = -Math.Sign(vely) * CancellationAcceleration * (float)delta;
-        if (Mathf.Abs(xcancel) + 0.1 > absvelx) velx = 0;
-        else velx += xcancel;
-        if (Mathf.Abs(ycancel) + 0.1 > absvely) vely = 0;
-        else vely += ycancel;
+        if (absvelx > maxXSpeed) 
+            velx = Mathf.Sign(velx) * Mathf.Max(absvelx - CancellationAcceleration * (float)delta, maxXSpeed);
+        if (absvely > maxYSpeed) 
+            vely = Mathf.Sign(vely) * Mathf.Max(absvely - CancellationAcceleration * (float)delta, maxYSpeed);
 
         DebugTextLabel.Text = 
             $"grounded: {grounded}\n" + 
diff --git a/src/library/LevelPattern.cs b/src/library/LevelPattern.cs
index 25a5985..fb02b8f 100644
--- a/src/library/LevelPattern.cs
+++ b/src/library/LevelPattern.cs
@@ -3,6 +3,7 @@ using System;
 using System.Collections.Generic;
 
 #nullable enable
+
 public class LevelPattern  {
     public TileMapPattern Level { get; }