Added sprite rotation and scale. Refactored bullet classes.

AlientAttack.MonoGame/Things/Bullets/Bullet.cs

@@ -1,23 +1,34 @@
-using AlienAttack.MonoGame.Things.Items;
+using AlienAttack.MonoGame.Textures;
+using AlienAttack.MonoGame.Things.Items;
+using Microsoft.Xna.Framework.Graphics;
+using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-public class Bullet(float x, float y, float xVel, float yVel, Sprite owner) : Sprite(x, y)
+public abstract class Bullet : MoveableSprite
 {
-    protected float XVelocity = xVel;
-    protected float YVelocity = yVel;
-    public Sprite Owner { get; protected set; } = owner;
-    public int Damage { get; protected set; } = 0;
+    public Sprite Owner { get; init; }
+    public int Damage { get; init; } = 0;
+
+    protected abstract string TextureName { get; }
+
+    public Bullet(float x, float y, float xVel, float yVel, Sprite owner) : base(x, y)
+    {
+        XVelocity = xVel;
+        YVelocity = yVel;
+        Owner = owner;
+    }
 
     public override void Draw(SpriteDrawArgs args)
     {
-        base.Draw(args);
+        Texture2D texture = args.Textures.Get(TextureName);
+
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, Scale, SpriteEffects.None, 1);
     }
 
     public override void Update(SpriteUpdateContext context)
     {
-        XPosition += XVelocity;
-        YPosition += YVelocity;
+        Rotation = MathF.Atan2(YVelocity, XVelocity) + MathF.PI / 2f;
 
         if (XPosition + BoundBox.Width < 0
             || XPosition > context.ViewTransform.ScreenWidth