Initial commit

Abilities/Sword/Sword.cs

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+using Godot;
+using System;
+
+public partial class Sword : MeleeBase
+{
+	[Export] public float SweepArcDegrees { get; set; } = 90f;
+	[Export] public float Lifetime { get; set; } = 0.25f;
+
+	float _elapsedTime = 0f;
+	float _startRotation, _endRotation;
+
+	public override void _Ready()
+	{
+		base._Ready();
+		_startRotation = Rotation + Mathf.DegToRad(-SweepArcDegrees * 0.5f);
+		_endRotation = Rotation + Mathf.DegToRad(SweepArcDegrees * 0.5f);
+
+		Rotation = _startRotation;
+	}
+
+	public override void _PhysicsProcess(double delta)
+	{
+		_elapsedTime += (float)delta;
+
+		var t = _elapsedTime / Lifetime;
+
+		Rotation = Mathf.Lerp(_startRotation, _endRotation, t);
+
+		if (_elapsedTime >= Lifetime)
+		{
+			QueueFree();
+		}
+	}
+}