// The student will complete this function as part of an activity
private void moveSnowball()
{
if (snowball.IsAlive)
{
snowball.Accelerate(0.0f, 0.1f);
snowball.MoveAndVanish(GraphicsDevice.Viewport.Width, GraphicsDevice.Viewport.Height);
if (snowball.IsAlive == false)
{
changePlayer();
}
}
}
void onAddSkill(SkillData sd)
{
switch (sd.stype)
{
case SkillType.DoubleJump:
m_sprite.UpdateJumpCountLimit(2);
break;
case SkillType.Accelerate:
m_sprite.Accelerate(5);
break;
case SkillType.Trajectory:
m_sprite.ShowTrajectory();
break;
}
}
void UpdateGame(GameTime gameTime)
{
if (toGame)
{
playerSprite.UpperLeft = new Vector2(0, 0);
pointerSprite.UpperLeft = new Vector2(0, 200);
toGame = false;
}
if (playerSprite.IsCollided(pointerSprite) == true)
{
playerSprite.SetVelocity(0, 0);
}
else
{
playerSprite.Accelerate(0.0f, 0.05f);
playerSprite.Move();
}
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
currentKeyState = Keyboard.GetState();
currentMouseState = Mouse.GetState();
if (oldKeyState == null)
{
oldKeyState = currentKeyState;
}
if (oldMouseState == null)
{
oldMouseState = currentMouseState;
}
foreach (Sprite floor in floors)
{
if (playerSprite.IsCollided(floor))
{
if (playerSprite.GetVelocity().Y > 0)
{
if (playerSprite.AccelerateY(0.1f, 0 * -1) < 0 == false)
{
playerSprite.UpperLeft = new Vector2(playerSprite.UpperLeft.X, floor.UpperLeft.Y - playerSprite.GetHeight() + 1);
}
playerSprite.SetVelocity(playerSprite.GetVelocity().X, 0);
jumped = false;
jumping = false;
jumpSpeed = -1f;
if (!firing)
{
fired = false;
verticalCompensation = 0;
}
}
floored = true;
}
}
walking = false;
if (currentKeyState.IsKeyDown(Keys.A))
{
playerSprite.Accelerate(-0.2f, 0);
walking = true;
if (playerSprite.GetVelocity().X > 0)
{
playerSprite.Accelerate(-playerSprite.windResistance, 0);
}
}
if (currentKeyState.IsKeyDown(Keys.D))
{
playerSprite.Accelerate(0.2f, 0);
walking = true;
if (playerSprite.GetVelocity().X < 0)
{
playerSprite.Accelerate(playerSprite.windResistance, 0);
}
}
if ((currentMouseState.LeftButton == ButtonState.Pressed) && (mana > 0))
{
double direction = Sprite.CalculateDirectionAngle(new Vector2(currentMouseState.X - ((playerSprite.UpperLeft.X - camera.UpperLeft.X) + playerSprite.GetWidth() / 2),
(currentMouseState.Y - ((playerSprite.UpperLeft.Y - camera.UpperLeft.Y) - playerSprite.GetHeight() / 2))));
projectileSprite = new Sprite();
projectileSprite.SetTexture(projectileTexture);
projectileSprite.RotationAngle = direction;
projectileSprite.SetSpeedAndDirection(1, direction);
projectileSprite.UpperLeft = new Vector2(playerSprite.UpperLeft.X + playerSprite.GetWidth() / 2,
playerSprite.UpperLeft.Y + playerSprite.GetHeight() / 2);
activeProjectiles.AddFirst(projectileSprite);
activeSprites.AddFirst(projectileSprite);
direction = Sprite.CalculateDirectionAngle(new Vector2(((playerSprite.UpperLeft.X - camera.UpperLeft.X) + playerSprite.GetWidth() / 2) - currentMouseState.X,
(((playerSprite.UpperLeft.Y - camera.UpperLeft.Y) - playerSprite.GetHeight() / 2) - currentMouseState.Y) * -1));
//playerSprite.AccelerateX(10, direction * -1);
if (floored)
{
playerSprite.AccelerateX(0.01f, direction * -1);
horizontalCompensation = 0;
horizontalAddition = 0.1f;
}
else
{
playerSprite.AccelerateX(horizontalCompensation, direction * -1);
if (horizontalAddition < 0.2)
{
horizontalCompensation += horizontalAddition;
horizontalAddition += 0.01f;
}
}
if ((direction > 90) && (direction <= 270))
{
if (playerSprite.GetVelocity().X > 0)
{
playerSprite.Accelerate(-playerSprite.windResistance, 0);
}
}
if (((direction > 270) && (direction <= 360)) || ((direction > 0) && (direction <= 90)))
{
if (playerSprite.GetVelocity().X < 0)
{
playerSprite.Accelerate(playerSprite.windResistance, 0);
}
}
if (playerSprite.AccelerateY(0.1f, direction * -1) < 0)
{
playerSprite.AccelerateY(verticalCompensation, direction * -1);
if (verticalAddition > 0)
{
verticalCompensation += verticalAddition;
verticalAddition -= 0.01f;
}
}
else
{
verticalCompensation = 0;
verticalAddition = 0.1f;
}
mana -= 1;
fired = true;
firing = true;
}
else if ((currentMouseState.LeftButton == ButtonState.Released))
{
mana = 100;
firing = false;
verticalCompensation = 0;
verticalAddition = 0.1f;
}
else
{
firing = false;
verticalCompensation = 0;
verticalAddition = 0.1f;
}
if (currentKeyState.IsKeyDown(Keys.W) && oldKeyState.IsKeyUp(Keys.W))
{
if (jumped == false)
{
playerSprite.SetVelocity(playerSprite.GetVelocity().X, -10);
playerSprite.UpperLeft.Y -= 10;
jumped = true;
jumping = true;
jumpSpeed = -0.6f;
}
}
else if (currentKeyState.IsKeyDown(Keys.W) && jumped == true && jumping == true)
{
if (jumpSpeed < 0)
{
playerSprite.Accelerate(0, jumpSpeed);
jumpSpeed += 0.015f;
}
}
else
{
jumping = false;
}
if (!floored)
{
playerSprite.Accelerate(0, playerSprite.gravity);
}
if ((!walking) && (!firing))
{
if (playerSprite.GetVelocity().X > 0)
{
playerSprite.Accelerate(-playerSprite.windResistance, 0);
}
if (playerSprite.GetVelocity().X < 0)
{
playerSprite.Accelerate(playerSprite.windResistance, 0);
}
if ((playerSprite.GetVelocity().X < 0.5) && (playerSprite.GetVelocity().X > -0.5) && (playerSprite.GetVelocity().X != 0))
{
playerSprite.SetVelocity(0, playerSprite.GetVelocity().Y);
}
}
//playerSprite.Move();
foreach (Sprite sprite in activeProjectiles)
{
double X = sprite.GetVelocity().X;
double Y = sprite.GetVelocity().Y;
if (X < 0)
{
X *= -1;
}
if (Y < 0)
{
Y *= -1;
}
//if ((sprite.GetVelocity().X <= 0.01) && (sprite.GetVelocity().Y <= 0.01))
if ((X <= 0.01) && (Y <= 0.01))
{
sprite.SetVelocity(0, 0);
sprite.IsAlive = false;
}
if (sprite.lifeSpan >= 60)
{
sprite.AccelerateDirection(-0.01, sprite.GetDirectionAngle());
}
}
foreach (Sprite sprite in activeSprites)
{
sprite.Move();
sprite.lifeSpan += 1;
}
camera.UpperLeft = new Vector2((playerSprite.UpperLeft.X - playerSprite.GetWidth() / 2) - (camera.ViewWidth / 2),
(playerSprite.UpperLeft.Y + playerSprite.GetHeight()) - ((camera.ViewHeight / 4) * 3));
//camera.LockCamera();
oldKeyState = currentKeyState;
oldMouseState = currentMouseState;
floored = false;
base.Update(gameTime);
}
// This method is provided fully complete as part of the activity starter.
private void updatePlaying(GameTime gameTime, KeyboardState currentKeyboard, GamePadState currentGamePad1, GamePadState currentGamePad2)
{
// Escape key (or gamepad Start button)pauses the game when playing
if (wasKeyPressed(Keys.Escape, currentKeyboard) || wasButtonStartPressed(currentGamePad1, currentGamePad2))
{
currentScreen = GameScreen.PAUSED;
return; // don't do anything else if we're now paused!
}
// check player 1 keys
if (currentKeyboard.IsKeyDown(Keys.W) || (currentGamePad1.ThumbSticks.Left.Y > 0))
{
// 'W' (or gamepad thumbstick up) means accelerate up
StarShip1.Accelerate(0, -ACCELERATION_FACTOR);
}
if (currentKeyboard.IsKeyDown(Keys.A) || (currentGamePad1.ThumbSticks.Left.X < 0))
{
// 'A' (or gamepad thumbstick left) means move a bit to the left
StarShip1.UpperLeft.X -= X_STEER_FACTOR;
if (StarShip1.UpperLeft.X < 0)
{
StarShip1.UpperLeft.X = 0;
}
}
if (currentKeyboard.IsKeyDown(Keys.D) || (currentGamePad1.ThumbSticks.Left.X > 0))
{
// 'D' (or gamepad thumbstick right) means move a bit to the right
StarShip1.UpperLeft.X += X_STEER_FACTOR;
if (StarShip1.UpperLeft.X + StarShip1.GetWidth() > VIEWPORT_WIDTH)
{
StarShip1.UpperLeft.X = VIEWPORT_WIDTH - StarShip1.GetWidth();
}
}
if (currentKeyboard.IsKeyDown(Keys.X) || (currentGamePad1.ThumbSticks.Left.Y < 0))
{
// 'X' (or gamepad thumbstick down) means slow down
if (StarShip1.GetVelocity().Y < 0)
{
StarShip1.Accelerate(0, ACCELERATION_FACTOR);
}
}
// now check player2 input unless it's an AI-controlled player
if (!isGameAIEnabled)
{
// check player 2 controls
if (currentKeyboard.IsKeyDown(Keys.Up) || (currentGamePad2.ThumbSticks.Left.Y > 0))
{
// up arrow means accelerate up
StarShip2.Accelerate(0, -ACCELERATION_FACTOR);
}
if (currentKeyboard.IsKeyDown(Keys.Down) || (currentGamePad2.ThumbSticks.Left.Y < 0))
{
// down arrow means slow down
if (StarShip2.GetVelocity().Y < 0)
{
StarShip2.Accelerate(0, ACCELERATION_FACTOR);
}
}
if (currentKeyboard.IsKeyDown(Keys.Left) || (currentGamePad2.ThumbSticks.Left.X < 0))
{
// left arrow means move a bit to the left
StarShip2.UpperLeft.X -= X_STEER_FACTOR;
if (StarShip2.UpperLeft.X < 0)
{
StarShip2.UpperLeft.X = 0;
}
}
if (currentKeyboard.IsKeyDown(Keys.Right) || (currentGamePad2.ThumbSticks.Left.X > 0))
{
// right arrow means move a bit to the right
StarShip2.UpperLeft.X += X_STEER_FACTOR;
if (StarShip2.UpperLeft.X + StarShip2.GetWidth() > VIEWPORT_WIDTH)
{
StarShip2.UpperLeft.X = VIEWPORT_WIDTH - StarShip2.GetWidth();
}
}
}
else
{
// call the AI routine to control the second space ship
DoSimpleAI();
}
// move both ships in the Y direction
// (X velocity we leave at zero so we can move strictly according to left/right keys above)
StarShip1.Move();
StarShip2.Move();
// move the cameras along with the space ship, keeping ship 4/5 of the way down the screen
if (player1Camera != null)
{
player1Camera.UpperLeft.Y = StarShip1.UpperLeft.Y - VIEWPORT_HEIGHT * 4 / 5;
}
if (player2Camera != null)
{
player2Camera.UpperLeft.Y = StarShip2.UpperLeft.Y - VIEWPORT_HEIGHT * 4 / 5;
}
// make sure camera remains within valid world coordinates near the finish line!
if (player1Camera != null)
{
player1Camera.LockCamera();
}
if (player2Camera != null)
{
player2Camera.LockCamera();
}
// move all the asteroids, allowing them to wrap around the screen.
// not realistic, but to the player it might as well be a new asteroid!
foreach (Sprite asteroid in Asteroids)
{
asteroid.MoveAndWrap(WORLD_WIDTH, WORLD_HEIGHT);
}
// see if any asteroids have hit a ship
checkCollisions();
// check to see if anyone has won
if (StarShip1.UpperLeft.Y <= (finishLine.UpperLeft.Y + finishLine.GetHeight()))
{
currentScreen = GameScreen.GAMEOVER;
gameOverMessage = "Player 1 has won!";
}
if (StarShip2.UpperLeft.Y <= finishLine.GetHeight())
{
currentScreen = GameScreen.GAMEOVER;
gameOverMessage = "Player 2 has won!";
}
}
