public bool PlaceTetromino(Tetromino t)
{
t = t.MoveTo(0, TilesWidth / 2 - 1);
current = t;
//无法写入新的tetromino，说明游戏结束
if (!DrawTetromino(t, false))
{
return(false);
}
IsTetrominoFalling = true;
return(true);
}
protected override void Update(GameTime gameTime)
{
// Exit check
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (GameOver || GameWon)
{
playerShouldRemove = true;
if (Keyboard.GetState().IsKeyDown(Keys.Enter))
{
playerShouldRemove = false;
player.position.X = 100;
player.position.Y = 700;
player.velocity = Vector2.Zero;
// Restart the game
Score = 0;
Lines = 0;
// Reset the queue of next tetromino
nextTetrominos = new Queue <char>();
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, new Random()));
// Reset the board
gameBoard.Reset();
GameOver = false;
GameWon = false;
}
return;
}
// Tetromino generation
if (currentTetromino == null || !currentTetromino.IsFalling)
{
currentTetromino = GenerateNewTetromino(nextTetrominos.Dequeue());
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, randomGenerator));
// Reset the nextBlockBoards
nextBlockBoards.Reset();
// add a tetromino in the board
new Tetromino(nextBlockBoards, 2, 1, nextTetrominos.ElementAt(0), BlockTextures[nextTetrominos.ElementAt(0)]);
}
// Apply gravity
if (gameTime.TotalGameTime.TotalMilliseconds - lastGravityEffectTime > 1000 / Speed)
{
currentTetromino?.MoveTo(currentTetromino.X, currentTetromino.Y - 1);
lastGravityEffectTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// Check for last action / update
bool actionIsAllowed = false;
if (gameTime.TotalGameTime.TotalMilliseconds - lastActionTime > ActionDelay)
{
actionIsAllowed = true;
}
if (actionIsAllowed)
{
// -----------------------------------------
// Movement
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Left))
{
currentTetromino?.MoveTo(currentTetromino.X - 1, currentTetromino.Y);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
if (Keyboard.GetState().IsKeyDown(Keys.Right))
{
currentTetromino?.MoveTo(currentTetromino.X + 1, currentTetromino.Y);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
if (Keyboard.GetState().IsKeyDown(Keys.Down))
{
currentTetromino?.MoveTo(currentTetromino.X, currentTetromino.Y - 1);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// -----------------------------------------
// Rotation
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Up))
{
currentTetromino?.Rotate(1); // clock wise rotation
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
}
currentTetromino?.Update(gameTime);
// Row check
if (currentTetromino != null && !currentTetromino.IsFalling)
{
// If the tetromino is outside
if (currentTetromino.Y >= 22)
{
GameOver = true;
}
// Get the row to remove
int rowCleared = gameBoard.ClearRow();
if (rowCleared > 0)
{
// Increase Score
Score += (Level + 1) * 100 * (int)Math.Pow(2, rowCleared);
// Update Lines
Lines += rowCleared;
}
}
// player movement
if (Keyboard.GetState().IsKeyDown(Keys.D))
{
temptVelocity.X = speed;
nextPosition = new Vector2(player.position.X + temptVelocity.X, player.position.Y);
if (player.IsColliding(nextPosition, gameBoard) == false && player.position.X < 538)
{
player.velocity.X = temptVelocity.X;
}
else if (player.IsColliding(nextPosition, gameBoard) == true)
{
player.position.X = 250 + gameBoard.Blocks[player.collideBlock].X * 32 - 32;
player.velocity.X = 0;
}
}
else if (Keyboard.GetState().IsKeyDown(Keys.A))
{
temptVelocity.X = -speed;
nextPosition = new Vector2(player.position.X + temptVelocity.X, player.position.Y);
// Console.WriteLine(player.IsColliding(nextPosition, gameBoard));
if (player.IsColliding(nextPosition, gameBoard) == false && player.position.X > 250)
{
player.velocity.X = temptVelocity.X;
}
else if (player.IsColliding(nextPosition, gameBoard) == true)
{
player.position.X = 250 + gameBoard.Blocks[player.collideBlock].X * 32 + 32;
player.velocity.X = 0;
}
}
else
{
player.velocity.X = 0;
}
player.position.X += player.velocity.X;
if (Keyboard.GetState().IsKeyDown(Keys.W))
{
nextPosition = new Vector2(player.position.X, player.position.Y - jumpStrength);
if (player.IsColliding(nextPosition, gameBoard) == false && hasJumped == false)
{
player.position.Y -= jumpStrength;
player.velocity.Y = -5f;
hasJumped = true;
}
else if (player.IsColliding(nextPosition, gameBoard) == true)
{
player.position.Y = 200 + (24 - gameBoard.Blocks[player.collideBlock].Y) * 32;
player.velocity.Y = 0;
if (belongToCurrent(gameBoard.Blocks[player.collideBlock]) && currentTetromino.IsFalling == true)
{
GameOver = true;
}
}
}
temptVelocity.Y = player.velocity.Y + gravity;
nextPosition = new Vector2(player.position.X, player.position.Y + temptVelocity.Y);
// Console.WriteLine(nextPosition);
if (player.IsColliding(nextPosition, gameBoard) == false)
{
player.velocity.Y = temptVelocity.Y;
}
else if (player.IsColliding(nextPosition, gameBoard) == true && player.velocity.Y < 0)
{
player.position.Y = 200 + (24 - gameBoard.Blocks[player.collideBlock].Y) * 32;
player.velocity.Y = 0;
if (belongToCurrent(gameBoard.Blocks[player.collideBlock]) && currentTetromino.IsFalling == true)
{
GameOver = true;
}
}
else if (player.IsColliding(nextPosition, gameBoard) == true && player.velocity.Y > 0)
{
hasJumped = false;
player.position.Y = 200 + (24 - gameBoard.Blocks[player.collideBlock].Y) * 32 - 64;
player.velocity.Y = 0;
}
player.position.Y += player.velocity.Y;
if (Math.Ceiling(player.position.Y + player.texture.Height + player.velocity.Y) >= 968)
{
hasJumped = false;
player.position.Y = 936;
}
if (player.TopColliding(player.position.X, player.position.Y, gameBoard) == true)
{
if (belongToCurrent(gameBoard.Blocks[player.collideIndex]) && currentTetromino.IsFalling == true)
{
GameOver = true;
}
}
else if (player.position.X > 570 && player.position.X < 666 && player.position.Y > 690 && player.position.Y < 790)
{
GameWon = true;
player.position.Y = 760;
hasJumped = false;
}
base.Update(gameTime);
}
protected override void Update(GameTime gameTime)
{
MouseState mouseState = Mouse.GetState();
KeyboardState keyboardState = Keyboard.GetState();
if (ButtonIntersects(ref mouseState, buttonStart) || ButtonIntersects(ref mouseState, buttonExit) || ButtonIntersects(ref mouseState, buttonResume) || ButtonIntersects(ref mouseState, buttonRestart))
{
buttonOutline.Enable(spriteBatch);
}
else
{
buttonOutline.Disable(spriteBatch);
}
if (buttonStart.BoundingBox.Contains(mouseState.Position))
{
buttonOutline.Position.Y = 360 * 3 / 2;
}
if (buttonExit.BoundingBox.Contains(mouseState.Position))
{
buttonOutline.Position.Y = 440 * 3 / 2;
}
if (buttonResume.BoundingBox.Contains(mouseState.Position))
{
buttonOutline.Position.Y = 360 * 3 / 2;
}
if (buttonRestart.BoundingBox.Contains(mouseState.Position))
{
buttonOutline.Position.Y = 520 * 3 / 2;
}
switch (GameState)
{
case STATE_MENU:
buttonResume.Disable(spriteBatch);
buttonRestart.Disable(spriteBatch);
if (Clicked(ref mouseState, buttonStart))
{
GameState = STATE_PLAYING;
startTime = gameTime.TotalGameTime.TotalSeconds;
}
if (Clicked(ref mouseState, buttonExit))
{
Exit();
}
break;
case STATE_PLAYING:
buttonStart.Disable(spriteBatch);
buttonExit.Disable(spriteBatch);
buttonResume.Disable(spriteBatch);
buttonRestart.Disable(spriteBatch);
if (keyboardState.IsKeyDown(Keys.P))
{
GameState = STATE_PAUSED;
endTime = gameTime.TotalGameTime.TotalSeconds;
timeInterval = endTime - startTime;
totalTime += timeInterval;
}
break;
case STATE_PAUSED:
buttonResume.Enable(spriteBatch);
buttonExit.Enable(spriteBatch);
buttonRestart.Enable(spriteBatch);
if (Clicked(ref mouseState, buttonRestart))
{
GameState = STATE_PLAYING;
Restart = true;
totalTime = 0;
startTime = gameTime.TotalGameTime.TotalSeconds;
timeCount = false;
}
if (Clicked(ref mouseState, buttonResume))
{
GameState = STATE_PLAYING;
startTime = gameTime.TotalGameTime.TotalSeconds;
}
if (Clicked(ref mouseState, buttonExit))
{
Exit();
}
break;
case STATE_GAMEOVER:
buttonRestart.Enable(spriteBatch);
buttonExit.Enable(spriteBatch);
if (timeCount == false)
{
endTime = gameTime.TotalGameTime.TotalSeconds;
timeInterval = endTime - startTime;
totalTime += timeInterval;
timeCount = true;
}
if (Clicked(ref mouseState, buttonRestart))
{
GameState = STATE_PLAYING;
Restart = true;
totalTime = 0;
startTime = gameTime.TotalGameTime.TotalSeconds;
timeCount = false;
}
if (Clicked(ref mouseState, buttonExit))
{
Exit();
}
break;
case STATE_GAMEWON:
buttonRestart.Enable(spriteBatch);
buttonExit.Enable(spriteBatch);
{
endTime = gameTime.TotalGameTime.TotalSeconds;
timeInterval = endTime - startTime;
totalTime += timeInterval;
timeCount = true;
}
if (Clicked(ref mouseState, buttonRestart))
{
GameState = STATE_PLAYING;
Restart = true;
totalTime = 0;
startTime = gameTime.TotalGameTime.TotalSeconds;
timeCount = false;
}
if (Clicked(ref mouseState, buttonExit))
{
Exit();
}
break;
default:
break;
}
if (GameState == STATE_PLAYING)
{
if (Restart == true)
{
player.position = position1;
player.velocity = Vector2.Zero;
endHeight = 500;
Lines = 0;
gameBoard.Reset();
currentTetromino?.MoveTo(currentTetromino.Xghost, currentTetromino.Yghost);
nextBlockBoards[0].Reset();
nextBlockBoards[1].Reset();
nextTetrominos = new Queue <char>();
for (int k = 0; k < 2; k++)
{
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, new Random()));
}
hasJumped = false;
outOfStart = false;
Restart = false;
lastActionTime = 0;
lastGravityEffectTime = 0;
lastSkipTime = 0;
skip = 0;
dieTime = 0;
winTime = 0;
player.sprite.PlayAnimation(idleAnimation);
}
// Tetromino generation
if ((currentTetromino == null || !currentTetromino.IsFalling) && outOfStart == true)
{
currentTetromino = GenerateNewTetromino(nextTetrominos.Dequeue());
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, randomGenerator));
// Reset the nextBlockBoards
for (int k = 0; k < 2; k++)
{
nextBlockBoards[k].Reset();
// add a tetromino in the board
new Tetromino(nextBlockBoards[k], 2, 1, nextTetrominos.ElementAt(k), BlockTextures[nextTetrominos.ElementAt(k)]);
}
}
// Apply gravity
if (gameTime.TotalGameTime.TotalMilliseconds - lastGravityEffectTime > 1000 / FallSpeed)
{
currentTetromino?.MoveTo(currentTetromino.X, currentTetromino.Y - 1);
lastGravityEffectTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// Check for last action / update
bool actionIsAllowed = false;
if (gameTime.TotalGameTime.TotalMilliseconds - lastActionTime > ActionDelay)
{
actionIsAllowed = true;
}
if (actionIsAllowed)
{
// -----------------------------------------
// Movement
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Left))
{
currentTetromino?.MoveTo(currentTetromino.X - 1, currentTetromino.Y);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
if (Keyboard.GetState().IsKeyDown(Keys.Right))
{
currentTetromino?.MoveTo(currentTetromino.X + 1, currentTetromino.Y);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
if (Keyboard.GetState().IsKeyDown(Keys.Down))
{
currentTetromino?.MoveTo(currentTetromino.X, currentTetromino.Y - 1);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// -----------------------------------------
// Rotation
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Up))
{
currentTetromino?.Rotate(1); // clock wise rotation
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
}
currentTetromino?.Update(gameTime);
// Row check
if (currentTetromino != null && !currentTetromino.IsFalling)
{
// If the tetromino is outside
if (currentTetromino.Y >= 18)
{
GameState = STATE_GAMEOVER;
}
// Get the row to remove
int rowCleared = gameBoard.ClearRow();
if (rowCleared > 0)
{
// Update Lines
Lines += rowCleared;
// decrease end goal
endHeight += 64 * 3 / 2 * rowCleared;
skip--;
if (skip <= 0)
{
skip = 0;
}
if (endHeight >= (640 - 160) * 3 / 2)
{
endHeight = (640 - 160) * 3 / 2;
}
}
}
if (Keyboard.GetState().IsKeyDown(Keys.Space))
{
if (gameTime.TotalGameTime.TotalMilliseconds - lastSkipTime > ActionDelay && skip < 3)
{
nextTetrominos.Dequeue();
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, randomGenerator));
for (int k = 0; k < 2; k++)
{
nextBlockBoards[k].Reset();
// add a tetromino in the board
new Tetromino(nextBlockBoards[k], 2, 1, nextTetrominos.ElementAt(k), BlockTextures[nextTetrominos.ElementAt(k)]);
}
skip++;
lastSkipTime = gameTime.TotalGameTime.TotalMilliseconds;
}
}
// player movement
if (Keyboard.GetState().IsKeyDown(Keys.D) && player.sprite.Animation != dieAnimation)
{
temptVelocity.X = speed;
nextPosition = new Vector2(player.position.X + temptVelocity.X, player.position.Y);
if (player.IsColliding(nextPosition, gameBoard) == false)
{
player.velocity.X = temptVelocity.X;
}
else if (player.IsColliding(nextPosition, gameBoard) == true)
{
player.position.X = (320 + gameBoard.Blocks[player.collideBlock].X * 32 - 32) * 3 / 2;
player.velocity.X = 0;
}
player.sprite.PlayAnimation(runAnimation);
}
else if (Keyboard.GetState().IsKeyDown(Keys.A) && player.sprite.Animation != dieAnimation)
{
temptVelocity.X = -speed;
nextPosition = new Vector2(player.position.X + temptVelocity.X, player.position.Y);
// Console.WriteLine(player.IsColliding(nextPosition, gameBoard));
if (player.IsColliding(nextPosition, gameBoard) == false)
{
player.velocity.X = temptVelocity.X;
}
else if (player.IsColliding(nextPosition, gameBoard) == true)
{
player.position.X = (320 + gameBoard.Blocks[player.collideBlock].X * 32 + 32) * 3 / 2;
player.velocity.X = 0;
}
player.sprite.PlayAnimation(runAnimation);
}
else if (player.sprite.Animation != dieAnimation)
{
player.velocity.X = 0;
player.sprite.PlayAnimation(idleAnimation);
}
player.position.X += player.velocity.X;
if (player.position.X >= 320 * 3 / 2)
{
outOfStart = true;
}
if (Keyboard.GetState().IsKeyDown(Keys.W) && player.sprite.Animation != dieAnimation)
{
nextPosition = new Vector2(player.position.X, player.position.Y - jumpStrength);
// Console.WriteLine("{0},{1},{2}",player.IsColliding(nextPosition, gameBoard), hasJumped, nextPosition);
if (player.IsColliding(nextPosition, gameBoard) == false && hasJumped == false)
{
if (nextPosition.Y <= 0)
{
player.position.Y = 0;
player.velocity.Y = -8f;
hasJumped = true;
}
else
{
player.position.Y -= jumpStrength;
player.velocity.Y = -8f;
hasJumped = true;
}
player.sprite.PlayAnimation(jumpAnimation);
}
else if (player.IsColliding(nextPosition, gameBoard) == true && hasJumped == false)
{
player.position.Y = (20 - gameBoard.Blocks[player.collideBlock].Y) * 32 * 3 / 2;
player.sprite.PlayAnimation(jumpAnimation);
player.velocity.Y = 0;
hasJumped = true;
if (belongToCurrent(gameBoard.Blocks[player.collideBlock]) && currentTetromino.IsFalling == true)
{
player.sprite.PlayAnimation(dieAnimation);
dieTime = gameTime.TotalGameTime.TotalMilliseconds;
}
}
}
temptVelocity.Y = player.velocity.Y + gravity;
nextPosition = new Vector2(player.position.X, player.position.Y + temptVelocity.Y);
// Console.WriteLine(nextPosition);
if (player.IsColliding(nextPosition, gameBoard) == false)
{
player.velocity.Y = temptVelocity.Y;
}
else if (player.IsColliding(nextPosition, gameBoard) == true && player.velocity.Y < 0)
{
player.position.Y = (20 - gameBoard.Blocks[player.collideBlock].Y) * 32 * 3 / 2;
player.velocity.Y = 0;
}
else if (player.IsColliding(nextPosition, gameBoard) == true && player.velocity.Y > 0)
{
hasJumped = false;
player.position.Y = (20 - gameBoard.Blocks[player.collideBlock].Y - 2) * 32 * 3 / 2;
player.velocity.Y = 0;
player.sprite.PlayAnimation(idleAnimation);
}
player.position.Y += player.velocity.Y;
if (player.position.Y + 32 * 3 / 2 <= endHeight)
{
if (player.position.X >= (1120 - 320 - 32) * 3 / 2)
{
player.position.X = (1120 - 320 - 32) * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 320 * 3 / 2)
{
player.position.X = 320 * 3 / 2;
player.velocity.X = 0;
}
}
if (endHeight + 160 * 3 / 2 <= (640 - 160) * 3 / 2)
{
if (player.position.Y >= endHeight + 160 * 3 / 2 && player.position.Y + 32 * 3 / 2 <= (640 - 160) * 3 / 2)
{
if (player.position.X >= (1120 - 320 - 32) * 3 / 2)
{
player.position.X = (1120 - 320 - 32) * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 320 * 3 / 2)
{
player.position.X = 320 * 3 / 2;
player.velocity.X = 0;
}
}
else if (player.position.Y >= (640 - 160) * 3 / 2)
{
if (player.position.X >= (1120 - 320 - 32) * 3 / 2)
{
player.position.X = (1120 - 320 - 32) * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 160 * 3 / 2 && outOfStart == false)
{
player.position.X = 160 * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 320 * 3 / 2 && outOfStart == true)
{
player.position.X = 320 * 3 / 2;
player.velocity.X = 0;
}
}
}
else if (endHeight + 160 * 3 / 2 > (640 - 160) * 3 / 2)
{
if (player.position.Y + 32 * 3 / 2 <= (640 - 160) * 3 / 2 && player.position.Y >= endHeight)
{
if (player.position.X >= (1120 - 160 - 32) * 3 / 2)
{
player.position.X = (1120 - 160 - 32) * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 320 * 3 / 2)
{
player.position.X = 320 * 3 / 2;
player.velocity.X = 0;
}
}
else if (player.position.Y + 32 * 3 / 2 < (640 - 160) * 3 / 2 && player.position.Y >= endHeight + 160 * 3 / 2)
{
if (player.position.X >= (1120 - 160 - 32) * 3 / 2)
{
player.position.X = (1120 - 160 - 32) * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 160 * 3 / 2 && outOfStart == false)
{
player.position.X = 160 * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 320 * 3 / 2 && outOfStart == true)
{
player.position.X = 320 * 3 / 2;
player.velocity.X = 0;
}
}
else if (player.position.Y >= endHeight + 160 * 3 / 2)
{
if (player.position.X >= (1120 - 320 - 32) * 3 / 2)
{
player.position.X = (1120 - 320 - 32) * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 160 * 3 / 2 && outOfStart == false)
{
player.position.X = 160 * 3 / 2;
player.velocity.X = 0;
}
else if (player.position.X <= 320 * 3 / 2 && outOfStart == true)
{
player.position.X = 320 * 3 / 2;
player.velocity.X = 0;
}
}
}
if (player.position.Y + player.velocity.Y >= (640 - 32) * 3 / 2)
{
hasJumped = false;
player.position.Y = (640 - 32) * 3 / 2;
player.velocity.Y = 0;
}
if (player.TopColliding(player.position.X, player.position.Y, gameBoard) == true)
{
if (belongToCurrent(gameBoard.Blocks[player.collideIndex]) && currentTetromino.IsFalling == true)
{
player.sprite.PlayAnimation(dieAnimation);
dieTime = gameTime.TotalGameTime.TotalMilliseconds;
}
}
if (player.position.X > (320 + 480) * 3 / 2 && player.position.X < (320 + 480 + 160) * 3 / 2 && player.position.Y > endHeight && player.position.Y < endHeight + (160 - 32) * 3 / 2)
{
GameState = STATE_GAMEWON;
}
if (player.sprite.Animation == dieAnimation && gameTime.TotalGameTime.TotalMilliseconds - dieTime > 300)
{
GameState = STATE_GAMEOVER;
}
}
if (GameState == STATE_PAUSED)
{
player.velocity = Vector2.Zero;
}
Console.WriteLine(player.sprite.Animation);
Console.WriteLine(dieTime);
Console.WriteLine(gameTime.TotalGameTime.TotalMilliseconds);
base.Update(gameTime);
}
protected override void Update(GameTime gameTime)
{
player.Update(gameTime);
// Exit check
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (GameOver)
{
if (Keyboard.GetState().IsKeyDown(Keys.Enter))
{
// Restart the game
Score = 0;
Lines = 0;
// Reset the queue of next tetromino
nextTetrominos = new Queue <char>();
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, new Random()));
// Reset the board
gameBoard.Reset();
GameOver = false;
}
return;
}
// Tetromino generation
if (currentTetromino == null || !currentTetromino.IsFalling)
{
currentTetromino = GenerateNewTetromino(nextTetrominos.Dequeue());
nextTetrominos.Enqueue(GetRandomCharacter(CHARLIST, randomGenerator));
// Reset the nextBlockBoards
nextBlockBoards.Reset();
// add a tetromino in the board
new Tetromino(nextBlockBoards, 2, 1, nextTetrominos.ElementAt(0), BlockTextures[nextTetrominos.ElementAt(0)]);
}
// Apply gravity
if (gameTime.TotalGameTime.TotalMilliseconds - lastGravityEffectTime > 1000 / Speed)
{
currentTetromino?.MoveTo(currentTetromino.X, currentTetromino.Y - 1);
lastGravityEffectTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// Check for last action / update
bool actionIsAllowed = false;
if (gameTime.TotalGameTime.TotalMilliseconds - lastActionTime > ActionDelay)
{
actionIsAllowed = true;
}
if (actionIsAllowed)
{
// -----------------------------------------
// Movement
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Left))
{
currentTetromino?.MoveTo(currentTetromino.X - 1, currentTetromino.Y);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
if (Keyboard.GetState().IsKeyDown(Keys.Right))
{
currentTetromino?.MoveTo(currentTetromino.X + 1, currentTetromino.Y);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
if (Keyboard.GetState().IsKeyDown(Keys.Down))
{
currentTetromino?.MoveTo(currentTetromino.X, currentTetromino.Y - 1);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// -----------------------------------------
// Rotation
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Up))
{
currentTetromino?.Rotate(1);
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
// -----------------------------------------
// Teleportation to ghost position
// -----------------------------------------
if (Keyboard.GetState().IsKeyDown(Keys.Space)) // clock wise rotation
{
currentTetromino?.MoveTo(currentTetromino.Xghost, currentTetromino.Yghost);
if (currentTetromino != null)
{
currentTetromino.IsFalling = false;
}
lastActionTime = gameTime.TotalGameTime.TotalMilliseconds;
}
}
//
currentTetromino?.Update(gameTime);
// Row check
if (currentTetromino != null && !currentTetromino.IsFalling)
{
// If the tetromino is outside
if (currentTetromino.Y >= 20)
{
GameOver = true;
}
// Get the row to remove
int rowCleared = gameBoard.ClearRow();
if (rowCleared > 0)
{
// Increase Score
Score += (Level + 1) * 100 * (int)Math.Pow(2, rowCleared);
// Update Lines
Lines += rowCleared;
}
}
base.Update(gameTime);
}