Beispiel #1
0
        /// <summary>
        /// Handles input, performs physics, and animates the player sprite.
        /// </summary>
        /// <remarks>
        /// We pass in all of the input states so that our game is only polling the hardware
        /// once per frame. We also pass the game's orientation because when using the accelerometer,
        /// we need to reverse our motion when the orientation is in the LandscapeRight orientation.
        /// </remarks>
        public void Update(
            GameTime gameTime,
            KeyboardState keyboardState,
            GamePadState gamePadState,
            TouchCollection touchState,
            AccelerometerState accelState,
            DisplayOrientation orientation)
        {
            GetInput(keyboardState, gamePadState, touchState, accelState, orientation);

            ApplyPhysics(gameTime);

            if (IsAlive && IsOnGround)
            {
                if (Math.Abs(Velocity.X) - 0.02f > 0)
                {
                    sprite.PlayAnimation(runAnimation);
                }
                else
                {
                    sprite.PlayAnimation(idleAnimation);
                }
            }

            // Clear input.
            movement    = 0.0f;
            isJumping   = false;
            isAttacking = false;
            //attackingNow = false;
        }
Beispiel #2
0
        /// <summary>
        /// Gets player horizontal movement and jump commands from input.
        /// </summary>
        private void GetInput(
            KeyboardState keyboardState,
            GamePadState gamePadState,
            TouchCollection touchState,
            AccelerometerState accelState,
            DisplayOrientation orientation)
        {
            // Get analog horizontal movement.
            movement = gamePadState.ThumbSticks.Left.X * MoveStickScale;

            // Ignore small movements to prevent running in place.
            if (Math.Abs(movement) < 0.5f)
            {
                movement = 0.0f;
            }

            // Move the player with accelerometer
            if (Math.Abs(accelState.Acceleration.Y) > 0.10f)
            {
                // set our movement speed
                movement = MathHelper.Clamp(-accelState.Acceleration.Y * AccelerometerScale, -1f, 1f);

                // if we're in the LandscapeLeft orientation, we must reverse our movement
                if (orientation == DisplayOrientation.LandscapeRight)
                {
                    movement = -movement;
                }
            }

            // If any digital horizontal movement input is found, override the analog movement.
            if (gamePadState.IsButtonDown(Buttons.DPadLeft) ||
                keyboardState.IsKeyDown(Keys.Left) ||
                keyboardState.IsKeyDown(Keys.A))
            {
                movement = -1.0f;
            }
            else if (gamePadState.IsButtonDown(Buttons.DPadRight) ||
                     keyboardState.IsKeyDown(Keys.Right) ||
                     keyboardState.IsKeyDown(Keys.D))
            {
                movement = 1.0f;
            }

            // Check if the player wants to jump.
            isJumping =
                gamePadState.IsButtonDown(JumpButton) ||
                keyboardState.IsKeyDown(Keys.Space) ||
                keyboardState.IsKeyDown(Keys.Up) ||
                keyboardState.IsKeyDown(Keys.W) ||
                touchState.AnyTouch();

            // Check if the player wants to attack.
            isAttacking =
                keyboardState.IsKeyDown(Keys.Q) ||
                keyboardState.IsKeyDown(Keys.LeftShift) ||
                keyboardState.IsKeyDown(Keys.RightShift);
        }
        /// <summary>
        /// Updates all objects in the world, performs collision between them,
        /// and handles the time limit with scoring.
        /// </summary>
        public void Update(
            GameTime gameTime,
            KeyboardState keyboardState,
            GamePadState gamePadState,
            TouchCollection touchState,
            AccelerometerState accelState,
            DisplayOrientation orientation)
        {
            // Pause while the player is dead or time is expired.
            if (!Player.IsAlive || TimeRemaining == TimeSpan.Zero)
            {
                // Still want to perform physics on the player.
                Player.ApplyPhysics(gameTime);
            }
            else if (ReachedExit)
            {
                // Animate the time being converted into points.
                int seconds = (int)Math.Round(gameTime.ElapsedGameTime.TotalSeconds * 100.0f);
                seconds        = Math.Min(seconds, (int)Math.Ceiling(TimeRemaining.TotalSeconds));
                timeRemaining -= TimeSpan.FromSeconds(seconds);
                score         += seconds * PointsPerSecond;
            }
            else
            {
                timeRemaining -= gameTime.ElapsedGameTime;
                Player.Update(gameTime, keyboardState, gamePadState, touchState, accelState, orientation);
                UpdateGems(gameTime);

                // Falling off the bottom of the level kills the player.
                if (Player.BoundingRectangle.Top >= Height * Tile.Height)
                {
                    OnPlayerKilled(null);
                }

                UpdateEnemies(gameTime);

                // The player has reached the exit if they are standing on the ground and
                // his bounding rectangle contains the center of the exit tile. They can only
                // exit when they have collected all of the gems.
                if (Player.IsAlive &&
                    Player.IsOnGround &&
                    Player.BoundingRectangle.Contains(exit))
                {
                    OnExitReached();
                }
            }

            // Clamp the time remaining at zero.
            if (timeRemaining < TimeSpan.Zero)
            {
                timeRemaining = TimeSpan.Zero;
            }
        }
Beispiel #4
0
        private void HandleInput()
        {
            // get all of our input states
            keyboardState      = Keyboard.GetState();
            gamePadState       = GamePad.GetState(PlayerIndex.One);
            touchState         = TouchPanel.GetState();
            accelerometerState = Accelerometer.GetState();

            // Exit the game when back is pressed.
            if (gamePadState.Buttons.Back == ButtonState.Pressed)
            {
                Exit();
            }

            bool continuePressed =
                keyboardState.IsKeyDown(Keys.Space) ||
                gamePadState.IsButtonDown(Buttons.A) ||
                touchState.AnyTouch();

            // Perform the appropriate action to advance the game and
            // to get the player back to playing.
            if (!wasContinuePressed && continuePressed)
            {
                if (!level.Player.IsAlive)
                {
                    level.StartNewLife();
                }
                else if (level.TimeRemaining == TimeSpan.Zero)
                {
                    if (level.ReachedExit)
                    {
                        LoadNextLevel();
                    }
                    else
                    {
                        ReloadCurrentLevel();
                    }
                }
            }

            wasContinuePressed = continuePressed;
        }