public SnakeElement eat()
{
snakeLength++;
Rectangle element = new Rectangle();
element.Width = headSize;
element.Height = headSize;
SnakeElement snakeElement = new SnakeElement();
snakeElements.Add(snakeElement);
return(snakeElement);
}
private void dispatcherTimer_Tick(object sender, EventArgs e)
{
snake.move();
for (int i = 0; i < snake.snakeLength; i++)
{
Canvas.SetLeft(snake.snakeElements[i].element, snake.snakeElements[i].xCordSnakeElement);
Canvas.SetTop(snake.snakeElements[i].element, snake.snakeElements[i].yCordSnakeElement);
}
if (snake.snakeElements[0].xCordSnakeElement >= gameBoard.Width ||
snake.snakeElements[0].xCordSnakeElement < 0 ||
snake.snakeElements[0].yCordSnakeElement >= gameBoard.Height ||
snake.snakeElements[0].yCordSnakeElement < 0)
{
gameOver();
}
for (int i = 1; i < snake.snakeLength; i++)
{
if (snake.snakeElements[0].xCordSnakeElement == snake.snakeElements[i].xCordSnakeElement &&
snake.snakeElements[0].yCordSnakeElement == snake.snakeElements[i].yCordSnakeElement)
{
gameOver();
}
}
if (snake.snakeElements[0].xCordSnakeElement == food.xFood &&
snake.snakeElements[0].yCordSnakeElement == food.yFood)
{
SnakeElement newSnakeElement = snake.eat();
score++;
scoreLabel.Content = score;
Canvas.SetLeft(newSnakeElement.element, newSnakeElement.xCordSnakeElement);
Canvas.SetTop(newSnakeElement.element, newSnakeElement.yCordSnakeElement);
gameBoard.Children.Add(newSnakeElement.element);
gameBoard.Children.Remove(food.rectanglePoint);
showFood();
showImage();
if (timeInterval > 50)
{
timeInterval -= 15;
}
dispatcherTimer.Interval = TimeSpan.FromMilliseconds(timeInterval);
}
directionChanged = false;
}
public void move()
{
SnakeElement tempElement = new SnakeElement();
for (int i = 0; i < snakeLength; i++)
{
if (i == 0)
{
tempElement.xCordSnakeElement = snakeElements[i].xCordSnakeElement;
tempElement.yCordSnakeElement = snakeElements[i].yCordSnakeElement;
switch (direction)
{
case Direction.Up:
snakeElements[i].yCordSnakeElement -= 20;
break;
case Direction.Down:
snakeElements[i].yCordSnakeElement += 20;
break;
case Direction.Left:
snakeElements[i].xCordSnakeElement -= 20;
break;
case Direction.Right:
snakeElements[i].xCordSnakeElement += 20;
break;
}
}
else
{
SnakeElement newSnakeElement = new SnakeElement();
newSnakeElement.xCordSnakeElement = snakeElements[i].xCordSnakeElement;
newSnakeElement.yCordSnakeElement = snakeElements[i].yCordSnakeElement;
snakeElements[i].xCordSnakeElement = tempElement.xCordSnakeElement;
snakeElements[i].yCordSnakeElement = tempElement.yCordSnakeElement;
tempElement.xCordSnakeElement = newSnakeElement.xCordSnakeElement;
tempElement.yCordSnakeElement = newSnakeElement.yCordSnakeElement;
}
}
}
public void drawSnake()
{
for (int i = 0; i < snakeLength; i++)
{
Rectangle element = new Rectangle();
element.Width = headSize;
element.Height = headSize;
if (i == 0)
{
element.Fill = new SolidColorBrush(Color.FromRgb(240, 25, 25));
}
else
{
element.Fill = new SolidColorBrush(Color.FromRgb(58, 228, 81));
}
SnakeElement snakeElement = new SnakeElement(xCordSnakeHead - (i * headSize), yCordSnakeHead, element);
snakeElements.Add(snakeElement);
}
}