Added new animations

src/components/PlayerPhysicsController.cs

@@ -78,16 +78,30 @@ public partial class PlayerPhysicsController : CharacterBody2D {
     public override void _Process(double delta) {
         var grounded = this.IsOnFloor();
         var absvel = new Vector2(Mathf.Abs(Velocity.X), Mathf.Abs(Velocity.Y));
-        Sprite.FlipH = Velocity.X < 0;
-        if (grounded && absvel.X > 0) {
-            Sprite.Play("walk", absvel.X switch {
+        var xAxis = Input.GetAxis("move_left", "move_right");
+        Sprite.FlipH = xAxis < 0;
+        if (grounded && absvel.X > 0.1) {
+            Sprite.Animation = "walk";
+            Sprite.SpeedScale = absvel.X switch {
                 < 10 => 1,
                 < 150 => 2,
                 < 300 => 4,
                 _ => 1
-            });
-        } else if (grounded && absvel.X < epsilon && absvel.Y < epsilon) {
-            Sprite.Play("idle");
+            };
+        } else {
+            Sprite.SpeedScale = 1;
+        }
+        
+        if (grounded && absvel.X < 0.1) {
+            Sprite.Animation = "idle";
+        }
+
+        if (!grounded && Velocity.Y > 0.1) {
+            Sprite.Animation = "fall";
+        }
+
+        if (!grounded && Velocity.Y < 0.1) {
+            Sprite.Animation = "jump";
         }
     }