private static void Program33()
{
Game.ShowScene();
var direction = Directions.Right;
void UpdateDirection()
{
if (Game.IsKeyDown(KeyboardKey.Up) && direction != Directions.Down)
{
direction = Directions.Up;
}
if (Game.IsKeyDown(KeyboardKey.Down) && direction != Directions.Up)
{
direction = Directions.Down;
}
if (Game.IsKeyDown(KeyboardKey.Left) && direction != Directions.Right)
{
direction = Directions.Left;
}
if (Game.IsKeyDown(KeyboardKey.Right) && direction != Directions.Left)
{
direction = Directions.Right;
}
}
var snakeHead = Game.AddPlayer(PlayerData.Turtle);
var tailPart = PlayerData
.Create(SvgImage.CreateCircle(RGBAColors.Black.WithAlpha(0x80), 10));
var snakeTail = Enumerable.Range(1, 3)
.Select(i => Game.AddPlayer(tailPart.WithPosition(snakeHead.Position.X - i * 10, snakeHead.Position.Y))
)
.ToList();
var food = Game.AddPlayer(PlayerData.Ant);
food.MoveToRandomPosition();
void MoveSnakeHead(double distance)
{
snakeHead.SetDirection(direction);
if (direction == Directions.Up)
{
snakeHead.MoveTo(snakeHead.Position.X, snakeHead.Position.Y + distance);
}
else if (direction == Directions.Down)
{
snakeHead.MoveTo(snakeHead.Position.X, snakeHead.Position.Y - distance);
}
else if (direction == Directions.Left)
{
snakeHead.MoveTo(snakeHead.Position.X - distance, snakeHead.Position.Y);
}
else if (direction == Directions.Right)
{
snakeHead.MoveTo(snakeHead.Position.X + distance, snakeHead.Position.Y);
}
}
void MoveSnake(double distance)
{
var position = snakeHead.Position;
foreach (var part in snakeTail)
{
var nextPosition = part.Position;
part.MoveTo(position);
position = nextPosition;
}
MoveSnakeHead(distance);
}
void CheckIfSnakeEatsFood()
{
if (snakeHead.TouchesPlayer(food))
{
food.MoveToRandomPosition();
var tailPosition = snakeTail.Last().Position;
var tail = Game.AddPlayer(tailPart.WithPosition(tailPosition));
snakeTail.Add(tail);
}
}
bool CheckIfSnakeHitsWall()
{
return(snakeHead.TouchesEdge());
}
while (true)
{
UpdateDirection();
MoveSnake(10);
CheckIfSnakeEatsFood();
if (CheckIfSnakeHitsWall())
{
break;
}
Game.Sleep(50);
}
snakeHead.Say("Game over.");
}
private static void Program13()
{
Game.ShowScene();
Game.Sleep(1000);
var isGameOver = false;
void controlLeftPlayer(Player player)
{
using (player.OnKeyDown(KeyboardKey.W, p => p.MoveUp(10)))
using (player.OnKeyDown(KeyboardKey.S, p => p.MoveDown(10)))
{
while (!isGameOver)
{
player.Sleep(50);
}
}
}
var leftPlayer = Game.AddPlayer(
PlayerData
.Create(
SvgImage.CreateRectangle(
RGBAColors.DarkMagenta,
new Size(20, 150)))
.WithPosition(Game.SceneBounds.Left + 20, 0),
controlLeftPlayer);
void controlRightPlayer(Player player)
{
using (player.OnKeyDown(KeyboardKey.Up, p => p.MoveUp(10)))
using (player.OnKeyDown(KeyboardKey.Down, p => p.MoveDown(10)))
{
while (!isGameOver)
{
player.Sleep(50);
}
}
}
var rightPlayer = Game.AddPlayer(
PlayerData
.Create(
SvgImage.CreateRectangle(
RGBAColors.Magenta,
new Size(20, 150)))
.WithPosition(Game.SceneBounds.Right - 20, 0),
controlRightPlayer);
var rand = new Random();
void controlBall(Player player)
{
player.SetDirection(rand.Next(360));
while (true)
{
player.MoveInDirection(10);
player.BounceOffWall();
if (player.Bounds.Left <= Game.SceneBounds.Left ||
player.Bounds.Right >= Game.SceneBounds.Right)
{
isGameOver = true;
break;
}
if (player.Bounds.Left <= leftPlayer.Bounds.Right &&
player.Position.Y <= leftPlayer.Bounds.Top &&
player.Position.Y >= leftPlayer.Bounds.Bottom)
{
player.SetDirection(180 - player.Direction);
}
else if (player.Bounds.Right >= rightPlayer.Bounds.Left &&
player.Position.Y <= rightPlayer.Bounds.Top &&
player.Position.Y >= rightPlayer.Bounds.Bottom)
{
player.SetDirection(180 - player.Direction);
}
player.Sleep(50);
}
}
Game.AddPlayer(
PlayerData.Create(
SvgImage.CreateCircle(RGBAColors.Black.WithAlpha(128), 10)),
controlBall);
}