98 lines
3.2 KiB
C#
98 lines
3.2 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace AlienAttack.MonoGame.Things.Enemies.Turrets;
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public abstract class Turret : MoveableSprite
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{
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public const int MountWidth = 63;
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public const int MountHeight = 63;
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public const int TurretWidth = 38;
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public const int TurretHeight = 33;
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public const int GunWidth = 8;
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public const int GunHeight = 38;
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protected float Rotation = 0;
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protected Vector2 MountOrigin = new(MountWidth / 2, MountHeight /2);
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protected Vector2 TurretOrigin = new(TurretWidth / 2, TurretHeight / 2);
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protected Vector2 GunOrigin = new(GunWidth / 2, GunHeight / 2);
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protected abstract string TurretColor { get; }
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public Turret(int x, int y) : base(x, y)
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{
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BoundBox = new(10, 10, 44, 44); // TODO
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YVelocity = 1;
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XVelocity = 0;
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}
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public override void Draw(SpriteDrawArgs args)
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{
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DrawMount(args);
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DrawTurret(args);
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DrawGun(args);
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//DrawCollisionBox(args);
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}
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private void DrawMount(SpriteDrawArgs args)
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{
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Texture2D texture = args.Content.Load<Texture2D>("Sprites/GunTurretMount");
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args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, MountOrigin, 1f, SpriteEffects.None, 1);
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}
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private void DrawTurret(SpriteDrawArgs args)
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{
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Texture2D texture = args.Content.Load<Texture2D>($"Sprites/GunTurret_{TurretColor}");
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args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, TurretOrigin, 1f, SpriteEffects.None, 1);
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}
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private void DrawGun(SpriteDrawArgs args)
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{
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Texture2D texture = args.Content.Load<Texture2D>("Sprites/GunTurret_ExampleGun");
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args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, GunOrigin, 1f, SpriteEffects.None, 1);
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}
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private void DrawCollisionBox(SpriteDrawArgs args)
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{
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//var pixel = DebugPixel; // static cached
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Texture2D pixel = new Texture2D(args.SpriteBatch.GraphicsDevice, 1, 1);
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pixel.SetData(new[] { Color.White });
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//Rectangle r = GetWorldCollisionBox();
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Color c = Color.LimeGreen; // debug color
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// Top
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args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.X, CollisionBox.Y, CollisionBox.Width, 1), c);
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// Bottom
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args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.X, CollisionBox.Bottom - 1, CollisionBox.Width, 1), c);
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// Left
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args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.X, CollisionBox.Y, 1, CollisionBox.Height), c);
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// Right
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args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.Right - 1, CollisionBox.Y, 1, CollisionBox.Height), c);
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}
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public override sealed void Update(SpriteUpdateContext context)
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{
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base.Update(context);
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CollisionBox = new Rectangle((int)XPosition + BoundBox.X - (int)MountOrigin.X, (int)YPosition + BoundBox.Y - (int)MountOrigin.Y, BoundBox.Width, BoundBox.Height);
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if (YPosition - MountOrigin.Y > context.ViewTransform.ScreenHeight)
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{
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IsDead = true;
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return;
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}
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Rotation += 0.01f;
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if (Rotation > 360f)
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{
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Rotation = 0;
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}
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}
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} |