public double DistanceFrom(GameObject otherGuy)
{
double deltaX = otherGuy.position.X - this.position.X;
deltaX *= deltaX;
double deltaY = otherGuy.position.Y - this.position.Y;
deltaY *= deltaY;
return Math.Sqrt(deltaX + deltaY);
}
public bool CanSee(GameObject otherGuy)
{
return GetAngle(GetDirection(otherGuy), Vector2.UnitY) - rotation < VISION_FIELD
&& DistanceFrom(otherGuy) < VISION_LENGTH;
}
public void MoveTowards(GameObject otherGuy)
{
Vector2 direction = GetDirection(otherGuy);
this.position.X += direction.X * this.velocity;
this.position.Y += direction.Y * this.velocity;
this.rotation = GetAngle(direction, Vector2.UnitY);
}
private Vector2 GetDirection(GameObject otherGuy)
{
Vector2 direction = new Vector2(otherGuy.position.X - this.position.X, otherGuy.position.Y - this.position.Y);
direction.Normalize();
return direction;
}
protected void CollideTop(GameObject problemTile)
{
this.Position.Y = problemTile.BottomRectangle.Bottom;
this.Velocity.Y = 0;
}