62 lines
2.2 KiB
C#
62 lines
2.2 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace AlienAttack.MonoGame.Things;
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public class Sprite(float x, float y)
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{
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public float XPosition { get; protected set; } = x;
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public float YPosition { get; protected set; } = y;
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public Vector2 Position => new(XPosition, YPosition);
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public Vector2 Origin { get; protected set; }
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public Rectangle BoundBox { get; protected set; }
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protected Rectangle CollisionBox;
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protected Color DrawColor = Color.White;
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public bool CanCollide { get; protected set; } = true;
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public bool IsDead { get; protected set; }
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public virtual void Update(SpriteUpdateContext context)
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{
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//CollisionBox = new Rectangle((int)XPosition + BoundBox.X, (int)YPosition + BoundBox.Y, BoundBox.Width, BoundBox.Height);
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CollisionBox = new Rectangle((int)(Position.X - Origin.X) + BoundBox.X, (int)(Position.Y - Origin.Y) + BoundBox.Y, BoundBox.Width, BoundBox.Height);
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}
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public bool Intersects(Sprite sprite)
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{
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return CollisionBox.Intersects(sprite.CollisionBox);
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}
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public virtual void Draw(SpriteDrawArgs args)
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{
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//spriteBatch.Draw(Texture, Position, DrawColor);
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DrawCollisionBox(args);
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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 virtual void OnCollision(SpriteCollisionContext context)
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{
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}
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} |