Oyyou.MonoGameTutorials/MonoGame_Tutorials/Tutorial008/Sprites/Player.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;

namespace Tutorial008.Sprites
{
  public class Player : Sprite
  {
    public int Score;

    public Player(Texture2D texture)
      : base(texture)
    {
    }

    public override void Update(GameTime gameTime, List<Sprite> sprites)
    {
      Move();

      foreach(var sprite in sprites)
      {
        if (sprite is Player)
          continue;

        if(sprite.Rectangle.Intersects(this.Rectangle))
        {
          Score++;
          sprite.IsRemoved = true;
        }
      }
    }

    private void Move()
    {
      if (Keyboard.GetState().IsKeyDown(Input.Left))
        Position.X -= Speed;
      else if (Keyboard.GetState().IsKeyDown(Input.Right))
        Position.X += Speed;

      if (Keyboard.GetState().IsKeyDown(Input.Up))
        Position.Y -= Speed;
      else if (Keyboard.GetState().IsKeyDown(Input.Down))
        Position.Y += Speed;

      Position = Vector2.Clamp(Position, new Vector2(0, 0), new Vector2(Game1.ScreenWidth - this.Rectangle.Width, Game1.ScreenHeight - this.Rectangle.Height));
    }
  }
}