private Vector GenerateRandomFreePosition()
{
Vector generatedPosition;
do
{
generatedPosition = new Vector(random.Next(gameWidth), random.Next(gameHeight));
}while(_snake == generatedPosition || _foodPositions.Any(food => food == generatedPosition));
return(generatedPosition);
}
private void InitGame()
{
_snake = new Vector(gameWidth / 2, gameHeight / 2);
for (int i = 0; i < foodCount; i++)
{
_foodPositions.Add(
GenerateRandomFreePosition()
);
}
RenderState();
}
private bool CalculateState()
{
_snake = _snake + _direction;
if (_snake.X < 0 || _snake.X >= gameWidth || _snake.Y < 0 || _snake.Y >= gameHeight)
{
return(false);
}
else
{
return(true);
}
}
private void DrawPoint(Vector position, Brush brush)
{
var shape = new Rectangle
{
Fill = brush
};
var unitX = gameCanvas.Width / gameWidth;
var unitY = gameCanvas.Height / gameHeight;
shape.Width = unitX;
shape.Height = unitY;
Canvas.SetLeft(shape, position.X * unitX);
Canvas.SetTop(shape, position.Y * unitY);
gameCanvas.Children.Add(shape);
}
private void ApplyInputKey(Key PressedKey)
{
switch (PressedKey)
{
case Key.Up:
_direction = Vector.Up;
break;
case Key.Down:
_direction = Vector.Down;
break;
case Key.Left:
_direction = Vector.Left;
break;
case Key.Right:
_direction = Vector.Right;
break;
}
}
