Updated asteriods, mines, and explosions.

AlientAttack.MonoGame/Content/Content.mgcb

@@ -1781,7 +1781,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_01_png_processed.png
+/build:Sprites/Explosion01_Frame_01_png_processed.png;Sprites/Explosion01_Frame_01.png
 
 #begin Sprites/Explosion01_Frame_02_png_processed.png
 /importer:TextureImporter
@@ -1793,7 +1793,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_02_png_processed.png
+/build:Sprites/Explosion01_Frame_02_png_processed.png;Sprites/Explosion01_Frame_02.png
 
 #begin Sprites/Explosion01_Frame_03_png_processed.png
 /importer:TextureImporter
@@ -1805,7 +1805,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_03_png_processed.png
+/build:Sprites/Explosion01_Frame_03_png_processed.png;Sprites/Explosion01_Frame_03.png
 
 #begin Sprites/Explosion01_Frame_04_png_processed.png
 /importer:TextureImporter
@@ -1817,7 +1817,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_04_png_processed.png
+/build:Sprites/Explosion01_Frame_04_png_processed.png;Sprites/Explosion01_Frame_04.png
 
 #begin Sprites/Explosion01_Frame_05_png_processed.png
 /importer:TextureImporter
@@ -1829,7 +1829,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_05_png_processed.png
+/build:Sprites/Explosion01_Frame_05_png_processed.png;Sprites/Explosion01_Frame_05.png
 
 #begin Sprites/Explosion01_Frame_06_png_processed.png
 /importer:TextureImporter
@@ -1841,7 +1841,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_06_png_processed.png
+/build:Sprites/Explosion01_Frame_06_png_processed.png;Sprites/Explosion01_Frame_06.png
 
 #begin Sprites/Explosion01_Frame_07_png_processed.png
 /importer:TextureImporter
@@ -1853,7 +1853,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_07_png_processed.png
+/build:Sprites/Explosion01_Frame_07_png_processed.png;Sprites/Explosion01_Frame_07.png
 
 #begin Sprites/Explosion01_Frame_08_png_processed.png
 /importer:TextureImporter
@@ -1865,7 +1865,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_08_png_processed.png
+/build:Sprites/Explosion01_Frame_08_png_processed.png;Sprites/Explosion01_Frame_08.png
 
 #begin Sprites/Explosion01_Frame_09_png_processed.png
 /importer:TextureImporter
@@ -1877,7 +1877,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion01_Frame_09_png_processed.png
+/build:Sprites/Explosion01_Frame_09_png_processed.png;Sprites/Explosion01_Frame_09.png
 
 #begin Sprites/Explosion02_Frame_01_png_processed.png
 /importer:TextureImporter
@@ -1889,7 +1889,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_01_png_processed.png
+/build:Sprites/Explosion02_Frame_01_png_processed.png;Sprites/Explosion02_Frame_01.png
 
 #begin Sprites/Explosion02_Frame_02_png_processed.png
 /importer:TextureImporter
@@ -1901,7 +1901,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_02_png_processed.png
+/build:Sprites/Explosion02_Frame_02_png_processed.png;Sprites/Explosion02_Frame_02.png
 
 #begin Sprites/Explosion02_Frame_03_png_processed.png
 /importer:TextureImporter
@@ -1913,7 +1913,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_03_png_processed.png
+/build:Sprites/Explosion02_Frame_03_png_processed.png;Sprites/Explosion02_Frame_03.png
 
 #begin Sprites/Explosion02_Frame_04_png_processed.png
 /importer:TextureImporter
@@ -1925,7 +1925,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_04_png_processed.png
+/build:Sprites/Explosion02_Frame_04_png_processed.png;Sprites/Explosion02_Frame_04.png
 
 #begin Sprites/Explosion02_Frame_05_png_processed.png
 /importer:TextureImporter
@@ -1937,7 +1937,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_05_png_processed.png
+/build:Sprites/Explosion02_Frame_05_png_processed.png;Sprites/Explosion02_Frame_05.png
 
 #begin Sprites/Explosion02_Frame_06_png_processed.png
 /importer:TextureImporter
@@ -1949,7 +1949,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_06_png_processed.png
+/build:Sprites/Explosion02_Frame_06_png_processed.png;Sprites/Explosion02_Frame_06.png
 
 #begin Sprites/Explosion02_Frame_07_png_processed.png
 /importer:TextureImporter
@@ -1961,7 +1961,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_07_png_processed.png
+/build:Sprites/Explosion02_Frame_07_png_processed.png;Sprites/Explosion02_Frame_07.png
 
 #begin Sprites/Explosion02_Frame_08_png_processed.png
 /importer:TextureImporter
@@ -1973,7 +1973,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_08_png_processed.png
+/build:Sprites/Explosion02_Frame_08_png_processed.png;Sprites/Explosion02_Frame_08.png
 
 #begin Sprites/Explosion02_Frame_09_png_processed.png
 /importer:TextureImporter
@@ -1985,7 +1985,7 @@
 /processorParam:ResizeToPowerOfTwo=False
 /processorParam:MakeSquare=False
 /processorParam:TextureFormat=Color
-/build:Sprites/Explosion02_Frame_09_png_processed.png
+/build:Sprites/Explosion02_Frame_09_png_processed.png;Sprites/Explosion02_Frame_09.png
 
 #begin Sprites/GunTurret_ExampleGun_png_processed.png
 /importer:TextureImporter

AlientAttack.MonoGame/GameLoops/GameLoop.cs

@@ -384,33 +384,51 @@ internal class GameLoop : GameLoopBase
                 Sprites.Add(enemy);
                 _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
             }
-            else if (randomNumber == 9)
+            //else if (randomNumber == 9)
-            {
+            //{
-                GreenTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
+            //    GreenTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
-                Sprites.Add(enemy);
+            //    Sprites.Add(enemy);
-                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            //    _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
-            }
+            //}
-            else if (randomNumber == 10)
+            //else if (randomNumber == 10)
-            {
+            //{
-                RedTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
+            //    RedTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
-                Sprites.Add(enemy);
+            //    Sprites.Add(enemy);
-                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            //    _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
-            }
+            //}
-            else if (randomNumber == 11)
+            //else if (randomNumber == 11)
-            {
+            //{
-                OrangeTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
+            //    OrangeTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
-                Sprites.Add(enemy);
+            //    Sprites.Add(enemy);
-                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            //    _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
-            }
+            //}
-            else if (randomNumber == 12)
+            //else if (randomNumber == 12)
-            {
+            //{
-                TealTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
+            //    TealTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
-                Sprites.Add(enemy);
+            //    Sprites.Add(enemy);
-                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            //    _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
-            }
+            //}
             else if (randomNumber == 13)
             {
-                Asteroid enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Asteroid.Width), -Asteroid.Height);
+                AsteroidVariantA enemy = new(_random.Next(0, ViewTransform.ScreenWidth - AsteroidVariantA.Width), -AsteroidVariantA.Height);
+                Sprites.Add(enemy);
+                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            }
+            else if (randomNumber == 14)
+            {
+                AsteroidVariantB enemy = new(_random.Next(0, ViewTransform.ScreenWidth - AsteroidVariantB.Width), -AsteroidVariantB.Height);
+                Sprites.Add(enemy);
+                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            }
+            else if (randomNumber == 15)
+            {
+                AsteroidVariantC enemy = new(_random.Next(0, ViewTransform.ScreenWidth - AsteroidVariantC.Width), -AsteroidVariantC.Height);
+                Sprites.Add(enemy);
+                _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
+            }
+            else if (randomNumber == 16)
+            {
+                AsteroidVariantD enemy = new(_random.Next(0, ViewTransform.ScreenWidth - AsteroidVariantD.Width), -AsteroidVariantD.Height);
                 Sprites.Add(enemy);
                 _spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
             }

AlientAttack.MonoGame/Textures/TextureId.cs

@@ -1,10 +1,4 @@
-using System;
+namespace AlienAttack.MonoGame.Textures;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AlienAttack.MonoGame.Textures;
 
 //public enum TextureId
 //{
@@ -39,4 +33,12 @@ public static class TextureNames
         public const string ProtonMedium = "Sprites/Proton_Medium";
         public const string ProtonLarge = "Sprites/Proton_Large";
     }
+
+    public static class Asteriods
+    {
+        public const string VariantA = "Sprites/Asteroid 01";
+        public const string VariantB = "Sprites/Asteroid 02";
+        public const string VariantC = "Sprites/Asteroid 03";
+        public const string VariantD = "Sprites/Asteroid 04";
+    }
 }

AlientAttack.MonoGame/Things/Asteroids/Asteroid.cs

@@ -1,27 +1,28 @@
-using Microsoft.Xna.Framework;
+using AlienAttack.MonoGame.Things.Bullets;
+using AlienAttack.MonoGame.Things.Explosions;
+using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 
 namespace AlienAttack.MonoGame.Things.Asteroids;
 
-public class Asteroid : MoveableSprite
+public abstract class Asteroid : MoveableSprite
 {
-    public const int Width = 39;
+    protected abstract int MaxHealth { get; }
-    public const int Height = 37;
+    protected abstract string TextureName { get; }
 
-    protected float Rotation = 0;
+    protected int Health { get; set; }
+    protected float RotationSpeed { get; set; } = 1f;
 
     public Asteroid(int x, int y) : base(x, y)
     {
-        Origin = new(Width / 2, Height / 2);
+        Health = MaxHealth;
-        BoundBox = new(0, 0, Width, Height);
+        RotationSpeed = 1f;
-        YVelocity = 1;
-        XVelocity = 0;
     }
 
     public override void Draw(SpriteDrawArgs args)
     {
-        Texture2D texture = args.Content.Load<Texture2D>("Sprites/Asteroid 01");
+        Texture2D texture = args.Textures.Get(TextureName);
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, Scale, SpriteEffects.None, 1);
 
         base.Draw(args);
     }
@@ -32,17 +33,33 @@ public class Asteroid : MoveableSprite
 
         CollisionBox = new Rectangle((int)XPosition + BoundBox.X - (int)Origin.X, (int)YPosition + BoundBox.Y - (int)Origin.Y, BoundBox.Width, BoundBox.Height);
 
+        if (Health <= 0)
+        {
+            IsDead = true;
+            context.SpawnSprite(new Explosion((int)XPosition, (int)YPosition, XVelocity, YVelocity));
+            context.AudioManager.PlayExplosion();
+            return;
+        }
+
         if (YPosition - Origin.Y > context.ViewTransform.ScreenHeight)
         {
             IsDead = true;
             return;
         }
 
-        Rotation += 0.01f;
+        Rotation = MathHelper.WrapAngle(Rotation + RotationSpeed * context.DeltaTime);
+    }
 
-        if (Rotation > 360f)
+    public override void OnCollision(SpriteCollisionContext context)
+    {
+        if (context.Sprite is Bullet bullet && bullet.Owner is Player)
         {
-            Rotation = 0;
+            Health -= bullet.Damage;
+        }
+
+        if (context.Sprite is Player)
+        {
+            Health = 0;
         }
     }
 }

AlientAttack.MonoGame/Things/Asteroids/AsteroidVariantA.cs

@@ -0,0 +1,20 @@
+using AlienAttack.MonoGame.Textures;
+
+namespace AlienAttack.MonoGame.Things.Asteroids;
+
+public class AsteroidVariantA : Asteroid
+{
+    public const int Width = 39;
+    public const int Height = 37;
+
+    protected override string TextureName => TextureNames.Asteriods.VariantA;
+    protected override int MaxHealth => 8;
+
+    public AsteroidVariantA(int x, int y) : base(x, y)
+    {
+        Origin = new(Width / 2, Height / 2);
+        BoundBox = new(0, 0, Width, Height);
+        YVelocity = 1;
+        XVelocity = 0;
+    }
+}

AlientAttack.MonoGame/Things/Asteroids/AsteroidVariantB.cs

@@ -0,0 +1,20 @@
+using AlienAttack.MonoGame.Textures;
+
+namespace AlienAttack.MonoGame.Things.Asteroids;
+
+public class AsteroidVariantB : Asteroid
+{
+    public const int Width = 26;
+    public const int Height = 28;
+
+    protected override string TextureName => TextureNames.Asteriods.VariantB;
+    protected override int MaxHealth => 4;
+
+    public AsteroidVariantB(int x, int y) : base(x, y)
+    {
+        Origin = new(Width / 2, Height / 2);
+        BoundBox = new(0, 0, Width, Height);
+        YVelocity = 2;
+        XVelocity = 0;
+    }
+}

AlientAttack.MonoGame/Things/Asteroids/AsteroidVariantC.cs

@@ -0,0 +1,20 @@
+using AlienAttack.MonoGame.Textures;
+
+namespace AlienAttack.MonoGame.Things.Asteroids;
+
+public class AsteroidVariantC : Asteroid
+{
+    public const int Width = 37;
+    public const int Height = 36;
+
+    protected override string TextureName => TextureNames.Asteriods.VariantC;
+    protected override int MaxHealth => 5;
+
+    public AsteroidVariantC(int x, int y) : base(x, y)
+    {
+        Origin = new(Width / 2, Height / 2);
+        BoundBox = new(0, 0, Width, Height);
+        YVelocity = 1.5f;
+        XVelocity = 0;
+    }
+}

AlientAttack.MonoGame/Things/Asteroids/AsteroidVariantD.cs

@@ -0,0 +1,20 @@
+using AlienAttack.MonoGame.Textures;
+
+namespace AlienAttack.MonoGame.Things.Asteroids;
+
+public class AsteroidVariantD : Asteroid
+{
+    public const int Width = 44;
+    public const int Height = 35;
+
+    protected override string TextureName => TextureNames.Asteriods.VariantD;
+    protected override int MaxHealth => 10;
+
+    public AsteroidVariantD(int x, int y) : base(x, y)
+    {
+        Origin = new(Width / 2, Height / 2);
+        BoundBox = new(0, 0, Width, Height);
+        YVelocity = .5f;
+        XVelocity = 0;
+    }
+}

AlientAttack.MonoGame/Things/Bullets/Bullet.cs

@@ -1,4 +1,4 @@
-using AlienAttack.MonoGame.Textures;
+using AlienAttack.MonoGame.Things.Explosions;
 using AlienAttack.MonoGame.Things.Items;
 using Microsoft.Xna.Framework.Graphics;
 using System;

AlientAttack.MonoGame/Things/Enemies/Enemy.cs

@@ -1,4 +1,5 @@
 using AlienAttack.MonoGame.Things.Bullets;
+using AlienAttack.MonoGame.Things.Explosions;
 using AlienAttack.MonoGame.Things.Items;
 
 namespace AlienAttack.MonoGame.Things.Enemies;

AlientAttack.MonoGame/Things/Enemies/EnemyShip.cs

@@ -1,4 +1,5 @@
 using AlienAttack.MonoGame.Things.Bullets;
+using AlienAttack.MonoGame.Things.Explosions;
 using Microsoft.Xna.Framework;
 
 namespace AlienAttack.MonoGame.Things.Enemies;

AlientAttack.MonoGame/Things/Enemies/Mines/BlueMine.cs

@@ -3,4 +3,6 @@
 public class BlueMine(int x, int y) : Mine(x, y)
 {
     protected override string CoverColor => "Blue";
+    protected override float ExplodeRadius => 100f;
+    protected override int MaxHealth => 10;
 }

AlientAttack.MonoGame/Things/Enemies/Mines/GreenMine.cs

@@ -3,4 +3,6 @@
 public class GreenMine(int x, int y) : Mine(x, y)
 {
     protected override string CoverColor => "Green";
+    protected override float ExplodeRadius => 100f;
+    protected override int MaxHealth => 10;
 }

AlientAttack.MonoGame/Things/Enemies/Mines/Mine.cs

@@ -1,4 +1,6 @@
-using Microsoft.Xna.Framework;
+using AlienAttack.MonoGame.Things.Bullets;
+using AlienAttack.MonoGame.Things.Explosions;
+using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using System;
 
@@ -9,7 +11,13 @@ public abstract class Mine : MoveableSprite
     public const int Width = 65;
     public const int Height = 64;
 
+    protected abstract int MaxHealth { get; }
     protected abstract string CoverColor { get; }
+    protected abstract float ExplodeRadius { get; }
+
+    protected int Health { get; set; }
+    protected float RotationSpeed { get; set; } = 1.5f;
+    protected double DistanceToPlayer { get; set; } = double.MaxValue;
 
     public Mine(int x, int y) : base(x, y)
     {
@@ -17,38 +25,45 @@ public abstract class Mine : MoveableSprite
         BoundBox = new(10, 14, 40, 38);
         YVelocity = 1;
         XVelocity = 0;
+        Health = MaxHealth;
     }
 
     public override void Draw(SpriteDrawArgs args)
     {
         DrawRotor(args);
         DrawCover(args);
+
+        base.Draw(args);
     }
 
     private void DrawRotor(SpriteDrawArgs args)
     {
         Texture2D texture = args.Content.Load<Texture2D>("Sprites/Rotor");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, Scale, SpriteEffects.None, 1);
     }
 
     private void DrawCover(SpriteDrawArgs args)
     {
         Texture2D texture = args.Content.Load<Texture2D>($"Sprites/Cover_{CoverColor}");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, Origin, Scale, SpriteEffects.None, 1);
     }
 
     public override sealed void Update(SpriteUpdateContext context)
     {
         base.Update(context);
 
-        CollisionBox = new Rectangle((int)XPosition + BoundBox.X - (int)Origin.X, (int)YPosition + BoundBox.Y - (int)Origin.Y, BoundBox.Width, BoundBox.Height);
+        if (Health <= 0)
+        {
+            IsDead = true;
+            SpawnExplosion(context);
+            //OnKilled(context);
+            return;
+        }
 
-        float xDiff = (XPosition + Origin.X) - (context.Player.XPosition + context.Player.Origin.X);
+        UpdateDistanceToPlayer(context);
-        float yDiff = (YPosition + Origin.Y) - (context.Player.YPosition + context.Player.Origin.Y);
+        OnUpdate(context);
 
-        double distance = Math.Sqrt(xDiff * xDiff + yDiff * yDiff);
+        if (DistanceToPlayer <= ExplodeRadius)
-
-        if (distance < 100)
         {
             IsDead = true;
             SpawnExplosion(context);
@@ -61,17 +76,38 @@ public abstract class Mine : MoveableSprite
             return;
         }
 
-        Rotation += 0.01f;
+        Rotation = MathHelper.WrapAngle(Rotation + RotationSpeed * context.DeltaTime);
+    }
 
-        if (Rotation > 360f)
+    private void UpdateDistanceToPlayer(SpriteUpdateContext context)
+    {
+        float xDiff = (XPosition + Origin.X) - (context.Player.XPosition + context.Player.Origin.X);
+        float yDiff = (YPosition + Origin.Y) - (context.Player.YPosition + context.Player.Origin.Y);
+
+        DistanceToPlayer = Math.Sqrt(xDiff * xDiff + yDiff * yDiff);
+    }
+
+    protected virtual void OnUpdate(SpriteUpdateContext context)
+    {
+
+    }
+
+    public override void OnCollision(SpriteCollisionContext context)
+    {
+        if (context.Sprite is Bullet bullet && bullet.Owner is Player)
         {
-            Rotation = 0;
+            Health -= bullet.Damage;
+        }
+
+        if (context.Sprite is Player)
+        {
+            Health = 0;
         }
     }
 
-    private void SpawnExplosion(SpriteUpdateContext context)
+    protected void SpawnExplosion(SpriteUpdateContext context)
     {
-        context.SpawnSprite(new Explosion((int)XPosition, (int)YPosition, XVelocity, YVelocity));
+        context.SpawnSprite(new MineExplosion((int)XPosition, (int)YPosition, XVelocity, YVelocity));
         context.AudioManager.PlayExplosion();
     }
 }

AlientAttack.MonoGame/Things/Enemies/Mines/RedMine.cs

@@ -1,6 +1,78 @@
-namespace AlienAttack.MonoGame.Things.Enemies.Mines;
+using AlienAttack.MonoGame.Things.Bullets;
+using Microsoft.Xna.Framework;
+
+namespace AlienAttack.MonoGame.Things.Enemies.Mines;
 
 public class RedMine(int x, int y) : Mine(x, y)
 {
+    protected bool IsCharging = false;
+    protected Vector2 TargetCenter;
     protected override string CoverColor => "Red";
+    protected override float ExplodeRadius => 18f;
+    protected override int MaxHealth => 10;
+
+    // Tunables
+    private const float DetectRange = 200f;
+    private const float ChargeSpeed = 5f;      // try 3.5–6.0
+
+    protected override void OnUpdate(SpriteUpdateContext context)
+    {
+        // If not charging yet, see if we should lock on
+        if (!IsCharging)
+        {
+            if (DistanceToPlayer > DetectRange)
+                return;
+
+            Charge(context.Player);
+        }
+
+        // We are charging: steer directly toward the locked target point
+        Vector2 toTarget = TargetCenter - new Vector2(XPosition + Origin.X, YPosition + Origin.Y);
+
+        float dist = toTarget.Length();
+
+        if (dist <= ExplodeRadius)
+        {
+            IsDead = true;
+
+            // Optionally: explode at target (top-left adjustment)
+            XPosition = TargetCenter.X - Origin.X;
+            YPosition = TargetCenter.Y - Origin.Y;
+
+            SpawnExplosion(context); // uses current XPosition/YPosition
+            return;
+        }
+
+        // Normalize direction (avoid NaN if dist == 0)
+        Vector2 dir = toTarget / dist;
+
+        // Set velocities for base.Update to apply next frame
+        XVelocity = dir.X * ChargeSpeed;
+        YVelocity = dir.Y * ChargeSpeed;
+
+        // Optional: if you want it to stop “floating down” once charging
+        // (it will anyway, because we overwrite YVelocity)
+    }
+
+    public override void OnCollision(SpriteCollisionContext context)
+    {
+        base.OnCollision(context);
+
+        if (context.Sprite is Bullet bullet && bullet.Owner is Player player && IsCharging == false)
+        {
+            Charge(player);
+        }
+    }
+
+    private void Charge(Sprite target)
+    {
+        IsCharging = true;
+
+        float x = target.XPosition + target.Origin.X;
+        float y = target.YPosition + target.Origin.Y;
+
+        TargetCenter = new Vector2(x, y);
+
+        RotationSpeed *= ChargeSpeed;
+    }
 }

AlientAttack.MonoGame/Things/Enemies/Turrets/Turret.cs

@@ -37,19 +37,19 @@ public abstract class Turret : MoveableSprite
     private void DrawMount(SpriteDrawArgs args)
     {
         Texture2D texture = args.Content.Load<Texture2D>("Sprites/GunTurretMount");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, MountOrigin, 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, MountOrigin, Scale, SpriteEffects.None, 1);
     }
 
     private void DrawTurret(SpriteDrawArgs args)
     {
         Texture2D texture = args.Content.Load<Texture2D>($"Sprites/GunTurret_{TurretColor}");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, TurretOrigin, 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, TurretOrigin, Scale, SpriteEffects.None, 1);
     }
 
     private void DrawGun(SpriteDrawArgs args)
     {
         Texture2D texture = args.Content.Load<Texture2D>("Sprites/GunTurret_ExampleGun");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, GunOrigin, 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, GunOrigin, Scale, SpriteEffects.None, 1);
     }
 
     public override sealed void Update(SpriteUpdateContext context)

AlientAttack.MonoGame/Things/Explosions/Explosion.cs

@@ -1,13 +1,12 @@
-using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
-using Microsoft.Xna.Framework.Graphics;
 
-namespace AlienAttack.MonoGame.Things;
+namespace AlienAttack.MonoGame.Things.Explosions;
 
 public class Explosion : MoveableSprite
 {
     protected int CurrentFrame { get; private set; } = 1;
     protected int MaxFrames => 9;
-    protected int AnimationThreshold => 3; //5;
+    protected int AnimationThreshold => 3;
     protected int CurrentThreshold { get; private set; } = 5;
 
     public Explosion(int x, int y, float xVel, float yVel) : base(x, y)
@@ -19,9 +18,8 @@ public class Explosion : MoveableSprite
 
     public override void Draw(SpriteDrawArgs args)
     {
-        Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\Explosion01_Frame_0{CurrentFrame}_png_processed");
+        Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\Explosion01_Frame_0{CurrentFrame}");
-        //args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, new Vector2(0, 0), 1f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, Scale, SpriteEffects.None, 1);
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, 1f, SpriteEffects.None, 1);
 
         base.Draw(args);
     }
@@ -30,9 +28,6 @@ public class Explosion : MoveableSprite
     {
         base.Update(context);
 
-        //XPosition += XVelocity;
-        //YPosition += YVelocity;
-
         if (CurrentThreshold > 0)
         {
             CurrentThreshold--;

AlientAttack.MonoGame/Things/Explosions/MineExplosion.cs

@@ -0,0 +1,11 @@
+using Microsoft.Xna.Framework.Graphics;
+
+namespace AlienAttack.MonoGame.Things.Explosions;
+
+public class MineExplosion : Explosion
+{
+    public MineExplosion(int x, int y, float xVel, float yVel) : base(x, y, xVel, yVel)
+    {
+        Scale = new(2, 2);
+    }
+}

AlientAttack.MonoGame/Things/Explosions/MiniExplosion.cs

@@ -1,12 +1,12 @@
 using Microsoft.Xna.Framework.Graphics;
 
-namespace AlienAttack.MonoGame.Things;
+namespace AlienAttack.MonoGame.Things.Explosions;
 
 public class MiniExplosion : MoveableSprite
 {
     protected int CurrentFrame { get; private set; } = 1;
     protected int MaxFrames => 9;
-    protected int AnimationThreshold => 3; //5;
+    protected int AnimationThreshold => 3;
     protected int CurrentThreshold { get; private set; } = 5;
 
     public MiniExplosion(int x, int y, float xVel, float yVel) : base(x, y)
@@ -14,12 +14,13 @@ public class MiniExplosion : MoveableSprite
         Origin = new(32.5f, 32);
         XVelocity = xVel;
         YVelocity = yVel;
+        Scale = new(.25f, .25f);
     }
 
     public override void Draw(SpriteDrawArgs args)
     {
-        Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\Explosion01_Frame_0{CurrentFrame}_png_processed");
+        Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\Explosion01_Frame_0{CurrentFrame}");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, .25f, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, Scale, SpriteEffects.None, 1);
 
         base.Draw(args);
     }
@@ -28,9 +29,6 @@ public class MiniExplosion : MoveableSprite
     {
         base.Update(context);
 
-        //XPosition += xVel;
-        //YPosition += yVel;
-
         if (CurrentThreshold > 0)
         {
             CurrentThreshold--;

AlientAttack.MonoGame/Things/Player.cs

@@ -151,7 +151,7 @@ public class Player : MoveableSprite
 
         Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\PlayerRed_Frame_{frameNumber}");
         //args.SpriteBatch.Draw(texture, Position, DrawColor);
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, 1, spriteEffects, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, Scale, spriteEffects, 1);
 
         base.Draw(args);
     }
@@ -159,7 +159,7 @@ public class Player : MoveableSprite
     private void DrawExhaust(SpriteDrawArgs args)
     {
         Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\Exhaust_Frame_0{CurrentExhaustFrame}_png_processed");
-        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, new Vector2(0, 0), 1, SpriteEffects.None, 1);
+        args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, Origin, Scale, SpriteEffects.None, 1);
     }
 
     private string GetPlayerTextureName()

AlientAttack.MonoGame/Things/SpriteUpdateContext.cs

@@ -12,6 +12,7 @@ public class SpriteUpdateContext(AlienAttackGame game)
     public required Action<Sprite> SpawnSprite { get; init; }
     public required Random Random { get; init; }
     public required GameTime GameTime { get; init; }
+    public float DeltaTime => (float)GameTime.ElapsedGameTime.TotalSeconds;
     public required ContentManager Content { get; init; }
     public AudioManager AudioManager => game.Audio;
     public required Player Player { get; init; }