示例#1
0
        /// <summary>
        /// Lets the game respond to player input. Unlike the Update method,
        /// this will only be called when the gameplay screen is active.
        /// </summary>
        public override void HandleInput(InputState input)
        {
            if (input == null)
            {
                throw new ArgumentNullException("input");
            }

            // Look up inputs for the active player profile.
            int playerIndex = (int)ControllingPlayer.Value;

            KeyboardState keyboardState = input.CurrentKeyboardStates[playerIndex];
            GamePadState  gamePadState  = input.CurrentGamePadStates[playerIndex];

            // The game pauses either if the user presses the pause button, or if
            // they unplug the active gamepad. This requires us to keep track of
            // whether a gamepad was ever plugged in, because we don't want to pause
            // on PC if they are playing with a keyboard and have no gamepad at all!
            bool gamePadDisconnected = !gamePadState.IsConnected &&
                                       input.GamePadWasConnected[playerIndex];

            if (input.IsPauseGame(ControllingPlayer) || gamePadDisconnected)
            {
                ScreenManager.AddScreen(new PauseMenuScreen(), ControllingPlayer);
            }
            else
            {
                // Otherwise move the player position.
                Vector2 movement = Vector2.Zero;

                if (keyboardState.IsKeyDown(Keys.Left))
                {
                    movement.X--;
                }

                if (keyboardState.IsKeyDown(Keys.Right))
                {
                    movement.X++;
                }

                if (keyboardState.IsKeyDown(Keys.Up))
                {
                    movement.Y--;
                }

                if (keyboardState.IsKeyDown(Keys.Down))
                {
                    movement.Y++;
                }

                Vector2 thumbstick = gamePadState.ThumbSticks.Left;

                movement.X += thumbstick.X;
                movement.Y -= thumbstick.Y;

                if (movement.Length() > 1)
                {
                    movement.Normalize();
                }

                //playerPosition += movement * 2;
            }
        }