private void init()
{
velocity = new Vector2();
target = null;
activeCommand = null;
aggressive = false;
pursue = false;
engine = (Engine)((UnitType)Type).Engine.create();
}
/// <summary>
/// Copy ctor
/// </summary>
/// <param name="e">
/// A <see cref="Engine"/>
/// </param>
public Engine(Engine e)
{
this.Type = e.Type;
init();
}