/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
IsMouseVisible = true;
graphics.PreferredBackBufferHeight = 600;
graphics.PreferredBackBufferWidth = 800;
graphics.ApplyChanges();
world = new Quadtree <Polygon>(new RectangleF(0, 0, 800, 600));
poly1 = new Polygon(Vector2.Zero, new List <Vector2>()
{
new Vector2(25, 0),
new Vector2(38, 12),
new Vector2(25, 38),
new Vector2(0, 25)
});
world.Insert(new Polygon(new Vector2(80, 80), new List <Vector2>()
{
new Vector2(50, 50),
new Vector2(100, 0),
new Vector2(150, 150)
}));
world.Insert(new Polygon(new Vector2(400, 200), new List <Vector2>()
{
new Vector2(0, 50),
new Vector2(50, 0),
new Vector2(150, 80),
new Vector2(160, 200),
new Vector2(-10, 190)
}));
world.Insert(ShapePrimitives.Circle(new Vector2(600, 200), 60, 10));
world.Insert(ShapePrimitives.BezelRectangle(new Vector2(60, 60), new Vector2(160, 220), 15));
world.Insert(ShapePrimitives.Rectangle(new Vector2(620, 200), new Vector2(660, 230)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(0, 400), new Vector2(30, 430)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(30, 400), new Vector2(60, 430)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(60, 400), new Vector2(90, 430)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(90, 400), new Vector2(120, 430)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(120, 400), new Vector2(150, 430)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(150, 400), new Vector2(180, 430)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(0, 430), new Vector2(30, 460)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(30, 430), new Vector2(60, 460)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(60, 430), new Vector2(90, 460)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(90, 430), new Vector2(120, 460)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(120, 430), new Vector2(150, 460)));
world.Insert(ShapePrimitives.Rectangle(new Vector2(150, 430), new Vector2(180, 460)));
base.Initialize();
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
MouseState mouse = Mouse.GetState();
if (mouse.LeftButton == ButtonState.Pressed && lastMouse.LeftButton == ButtonState.Released)
{
world.Insert(ShapePrimitives.BezelRectangle(new Vector2(mouse.X, mouse.Y), new Vector2(mouse.X + 20, mouse.Y + 20), 5));
}
lastMouse = mouse;
float deltaTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
KeyboardState ks = Keyboard.GetState();
Vector2 velocity = Vector2.Zero;
float speed = 90; // a link to the past link moves at 90 pixels per second!
if (ks.IsKeyDown(Keys.W))
{
velocity += new Vector2(0, -speed * deltaTime);
}
if (ks.IsKeyDown(Keys.S))
{
velocity += new Vector2(0, speed * deltaTime);
}
if (ks.IsKeyDown(Keys.A))
{
velocity += new Vector2(-speed * deltaTime, 0);
}
if (ks.IsKeyDown(Keys.D))
{
velocity += new Vector2(speed * deltaTime, 0);
}
world.ClearDebugTag();
List <Polygon> polys = world.Retrieve(new RectangleF(poly1.Origin.X + poly1.BoundingBox.Left, poly1.Origin.Y + poly1.BoundingBox.Top, poly1.BoundingBox.Width, poly1.BoundingBox.Height));
foreach (IPolygon poly in polys)
{
poly.AddTag("debug");
}
Window.Title = polys.Count.ToString();
poly1.Move(polys, velocity);
base.Update(gameTime);
}