/// <summary>
/// Check if the given coordinate is inside this entity.
/// </summary>
public bool IsInside(Vector2 position)
{
return (position.X > Position.X - Size.X / 2 &&
position.X < Position.X + Size.X / 2) &&
(position.Y > Position.Y - Size.Y / 2 &&
position.Y < Position.Y + Size.Y / 2);
}
public House(Vector2 position)
{
this.Position = position;
this._size = new Vector2(224, 144);
this._drawOrder = -1;
_spriteSet = new AnimatedSpriteSet("house.png", (int)_size.X, (int)_size.Y);
}
public Tree(Vector2 position)
{
this.Position = position;
this._size = new Vector2(64, 80);
this._drawOrder = -1;
_spriteSet = new AnimatedSpriteSet("tree.png", (int)_size.X, (int)_size.Y);
}
public void PaintAt(Graphics g, Vector2 position)
{
_srcRectangle = new Rectangle(
_currentColumn * _spriteWidth,
_currentRow * _spriteHeight,
_spriteWidth,
_spriteHeight
);
Rectangle destRectangle = new Rectangle(
(int)position.X - _spriteWidth / 2,
(int)position.Y - _spriteHeight / 2,
_spriteWidth, _spriteHeight);
g.DrawImage(_spriteSet, destRectangle, _srcRectangle, GraphicsUnit.Pixel);
}
public Vector2 Steer(MovingEntity agent, double elapsed)
{
Vector2 force = new Vector2();
if (Keyboard.IsKeyDown(Keys.Left) || Keyboard.IsKeyDown(Keys.A))
{
force.X -= 1;
}
if (Keyboard.IsKeyDown(Keys.Right) || Keyboard.IsKeyDown(Keys.D))
{
force.X += 1;
}
if (Keyboard.IsKeyDown(Keys.Up) || Keyboard.IsKeyDown(Keys.W))
{
force.Y -= 1;
}
if (Keyboard.IsKeyDown(Keys.Down) || Keyboard.IsKeyDown(Keys.S))
{
force.Y += 1;
}
return force * agent.MaxSpeed;
}
public Vector2 Steer(MovingEntity agent, double elapsed)
{
Vector2 steeringForce = new Vector2(0, 0);
foreach (Entity entity in _world.Entities)
{
if (agent == entity)
{
// Can't escape from yourself, so continue with the next one.
continue;
}
Vector2 distance = entity.Position - agent.Position;
// Add seperating force to steering force for the current entity.
if (distance.Length > 0 && distance.Length < Radius)
{
distance = Vector2.Normalize(distance) / distance.Length;
steeringForce += distance;
}
}
return steeringForce;
}
public SeekAtSteering(Vector2 location)
{
this.Location = location;
}
public CreeperExplosion(World world, Vector2 position)
{
Position = position;
_world = world;
_currentRadius = StartRadius;
}
public GraphNode(Vector2 position)
{
this._position = position;
this._adjecentEdges = new LinkedList<GraphEdge>();
}
