public static void Start()
{
Scene scene = new Scene(80, 30);
// create a bunch of entities at random spots in the scene
Random random = new Random();
List <Entity> entities = new List <Entity>();
for (int i = 0; i < 20; i++)
{
Entity entity = new Entity(Utils.GetTestGraphics());
entities.Add(entity);
scene.AddEntity(entity);
entity.Pos.X = random.Next(0, 80);
entity.Pos.Y = random.Next(0, 30);
}
// find out which entities are colliding with a rectangle at the top left of the scene
AARect2 someRegion = new AARect2(new Vector2(0, 0), 20, 10);
HashSet <Entity> collidingEntities = Game.HitTest(entities, someRegion);
foreach (var entity in collidingEntities)
{
// for each entity that collided w the rect, change some of its graphics to say "hit"
entity.Characters[0, 0] = 'h';
entity.Characters[0, 1] = 'i';
entity.Characters[0, 2] = 't';
}
Game.Start(scene, 80, 30);
}
public static void Start()
{
// = start scene =
_startScene = new Scene(200, 60);
Entity title = new Entity(Utils.FileToCharArray("../../../resources/ascii_art/title.txt"));
_startScene.AddEntity(title);
title.Pos = new Vector2(70, 20);
MenuEntity menu = new MenuEntity();
_startScene.AddEntity(menu);
_startScene.KeyFocusedEntity = menu;
menu.Pos.X = title.Pos.X + 20;
menu.Pos.Y = title.Pos.Y + 10;
menu.AddItem("play");
menu.AddItem("exit");
menu.ItemSelected += (sender, item) =>
{
if (item == "exit")
{
Environment.Exit(0);
}
else if (item == "play")
{
Game.Scene = _mainScene;
}
};
// = main scene =
_mainScene = new Scene(200, 60);
// UI
_fpsCounter = new FpsCounter();
_mainScene.AddEntity(_fpsCounter);
_scoreLabel = new TextEntity("score: 0");
_mainScene.AddEntity(_scoreLabel);
_scoreLabel.Pos = new Vector2(0, 2);
_scoreLabel.Updated += (scoreLabel, dt) => (scoreLabel as TextEntity).Text = "score: " + _score;
// player
_player = new Entity(Utils.FileToCharArray("../../../resources/ascii_art/plane.txt", true));
_mainScene.AddEntity(_player);
_player.Pos.X = _mainScene.Width / 2 - _player.BoundingBox.Width / 2;
_player.Pos.Y = _mainScene.Height - _player.BoundingBox.Height;
float fireDelay = 0.5f;
DateTime timeLastFired = DateTime.Now;
var missileChars = Utils.FileToCharArray("../../../resources/ascii_art/missile.txt", true);
_player.KeyEventReceived += (sender, info) =>
{
var h_amount = 2;
var v_amount = 1;
var key = info.Key;
AARect2 playerBBox = _player.BoundingBox;
if (key == ConsoleKey.W)
{
if (playerBBox.Top > 0)
{
_player.Pos.Y -= v_amount;
}
}
else if (key == ConsoleKey.S)
{
if (playerBBox.Bottom < _mainScene.Height)
{
_player.Pos.Y += v_amount;
}
}
else if (key == ConsoleKey.A)
{
if (playerBBox.Left > -13)
{
_player.Pos.X -= h_amount;
}
}
else if (key == ConsoleKey.D)
{
if (playerBBox.Right < _mainScene.Width + 14)
{
_player.Pos.X += h_amount;
}
}
if (key == ConsoleKey.Spacebar)
{
var now = DateTime.Now;
var elapsed = now - timeLastFired;
if (elapsed.TotalSeconds >= fireDelay)
{
Entity missile = new Entity(missileChars);
missile.Pos = _player.Pos.Copy();
missile.Pos.Y -= missile.BoundingBox.Height / 2;
missile.Pos.X += 16;
_mainScene.AddEntity(missile);
missile.Updated += MissileOnUpdated;
timeLastFired = now;
}
}
};
_mainScene.KeyFocusedEntity = _player;
// enemy spawning
Random random = new Random();
var enemyChars = Utils.FileToCharArray("../../../resources/ascii_art/plane2.txt", true);
Timer spawner = new Timer(-1, 4);
Game.AddTimer(spawner);
spawner.Start();
int wave = 0;
spawner.Fired += sender =>
{
for (int i = 0; i < wave / 5 + 1; i++)
{
int rx = random.Next(0, _mainScene.Width - enemyChars.GetLength(1));
int ry = random.Next(-50, -10);
Entity enemy = new Entity(enemyChars);
enemy.Pos = new Vector2(rx, ry);
_mainScene.AddEntity(enemy);
enemy.Updated += (entity, dt) =>
{
float speed = 10;
entity.Pos.Y += speed * dt;
if (entity.Pos.Y > Game.Window.Height)
{
_mainScene.RemoveEntity(entity);
}
if (enemy.BoundingBox.CollidesWith(_player.BoundingBox))
{
Entity explosion = new Entity(_explosionChars);
_mainScene.AddEntity(explosion);
explosion.Pos = _player.Pos.Copy();
explosion.Pos.X += 1;
Game.DoLater(() =>
{
_mainScene.RemoveEntity(explosion);
}, 0.2f);
Game.DoLater(() =>
{
Game.Scene = _endScene;
}, 2);
_mainScene.RemoveEntity(_player);
_mainScene.RemoveEntity(enemy);
}
};
}
wave += 1;
};
// = end scene =
_endScene = new Scene(200, 60);
Entity gameOver = new Entity(Utils.FileToCharArray("../../../resources/ascii_art/game_over.txt"));
_endScene.AddEntity(gameOver);
gameOver.Pos.X = _endScene.Width / 2 - gameOver.BoundingBox.Width / 2;
gameOver.Pos.Y = 20;
// start the game!
Game.Start(_startScene, 200, 60);
}