public static Point GetMiddlePoint(this IPositionAware model)
{
IResizable resizable = model as IResizable;
if (resizable != null)
{
return(new Point(model.Left + (resizable.Width / 2), model.Top + (resizable.Height / 2)));
}
else
{
return(new Point(model.Left, model.Top));
}
}
/// <summary>
/// Instantly snap the camera to the position of an object
/// </summary>
/// <param name="obj">The object to snap to</param>
public void SnapTo(IPositionAware obj)
{
SnapTo(obj.Position);
}
/// <summary>
/// Gradually move the camera to a position
/// </summary>
/// <param name="position">The object to move to</param>
public void MoveTo(IPositionAware obj)
{
MoveTo(obj.Position);
}
/// <summary>
/// Follow an object
/// </summary>
/// <param name="position">The object to follow</param>
public void Follow(IPositionAware obj)
{
this.followObject = obj;
this.Mode = CameraMode.Follow;
}
/// <summary>
/// Update model's Left and Top based on offset.
/// </summary>
/// <param name="model"></param>
/// <param name="offset"></param>
public static void OffsetPosition(this IPositionAware model, Vector offset)
{
model.Left += offset.X;
model.Top += offset.Y;
}
public static void SetPosition(this IPositionAware model, Point position)
{
model.Left = position.X;
model.Top = position.Y;
}
