evilsatellites/EvilSatellites/InputManager.cs

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


namespace EvilSatellites
{
    public class InputManager
    {
        private KeyboardState OldKeyState;
        private KeyboardState NewKeyState;
        public InputManager()
        {
            OldKeyState = Keyboard.GetState();
            NewKeyState = Keyboard.GetState();
        }

        public void Update()
        {
            OldKeyState = NewKeyState;
            NewKeyState = Keyboard.GetState();
        }

        public bool IsJustPressed(Keys key)
        {
            return (NewKeyState.IsKeyDown(key) && !OldKeyState.IsKeyDown(key));
        }

        public bool IsJustReleased(Keys key)
        {
            return !NewKeyState.IsKeyDown(key) && OldKeyState.IsKeyDown(key);
        }

        public bool IsPressed(Keys key)
        {
            return NewKeyState.IsKeyDown(key);
        }

        public bool IsReleased(Keys key)
        {
            return NewKeyState.IsKeyUp(key);
        }
    }
}