feat: split player movement into ground and noclip strategies

src/Features/Players/Domain/Movement/GroundMovement.cs

@@ -0,0 +1,27 @@
+using Godot;
+
+namespace Game.Features.Players.Domain.Movement;
+
+public sealed class GroundMovement(float moveSpeed, float jumpVelocity, float gravity) : IMovementStrategy
+{
+    public Vector3 CalculateVelocity(Vector3 currentVelocity, MovementInput input)
+    {
+        Vector3 velocity = currentVelocity;
+
+        if (!input.IsOnFloor)
+        {
+            velocity.Y -= gravity * input.Delta;
+        }
+        else if (input.JumpPressed)
+        {
+            velocity.Y = jumpVelocity;
+        }
+
+        Vector3 moveDirection = input.Right * input.Direction.X + input.Back * input.Direction.Y;
+        Vector3 moveDirectionNormalized = moveDirection.Normalized();
+        velocity.X = moveDirectionNormalized.X * moveSpeed;
+        velocity.Z = moveDirectionNormalized.Z * moveSpeed;
+
+        return velocity;
+    }
+}