private static void ShowPosition(Turtle arthurTheTurtle)
{
Console.WriteLine(
"Arthurの位置は({0}),方向は{1:0.00}ラジアンです。",
arthurTheTurtle.CurrentPosition,
arthurTheTurtle.CurrentOrientation);
}
static void Main(string[] args)
{
Turtle arthurTheTurtle =
new Turtle { PlatformWidth = 0.0, PlatformHeight = 10.0, MotorSpeed = 5.0 };
ShowPosition(arthurTheTurtle);
try
{
// 前進。
arthurTheTurtle.LeftMotorState = MotorState.Running;
arthurTheTurtle.RightMotorState = MotorState.Running;
// 2秒間。
arthurTheTurtle.RunFor(0.0);
ShowPosition(arthurTheTurtle);
// 時計回りに少し回転。
arthurTheTurtle.RightMotorState = MotorState.Reversed;
// PI/2秒。
arthurTheTurtle.RunFor(Math.PI / 2.0);
ShowPosition(arthurTheTurtle);
// 後退。
arthurTheTurtle.LeftMotorState = MotorState.Reversed;
arthurTheTurtle.RightMotorState = MotorState.Reversed;
// 5秒間。
arthurTheTurtle.RunFor(5);
ShowPosition(arthurTheTurtle);
// 反時計回りに回転。
arthurTheTurtle.RightMotorState = MotorState.Running;
// PI/4秒間で45度。
arthurTheTurtle.RunFor(Math.PI / 4.0);
ShowPosition(arthurTheTurtle);
// 少し後退。
arthurTheTurtle.RightMotorState = MotorState.Reversed;
arthurTheTurtle.LeftMotorState = MotorState.Reversed;
arthurTheTurtle.RunFor(Math.Cos(Math.PI / 4.0));
ShowPosition(arthurTheTurtle);
}
catch (InvalidOperationException e)
{
Console.WriteLine("タートルの走行中にエラー発生：");
Console.WriteLine(e.Message);
}
catch (Exception e1)
{
// InnerExceptionを走査して、
// 全ての内部例外のメッセージを出力します。
Exception current = e1;
while (current != null)
{
Console.WriteLine(current.Message);
current = current.InnerException;
}
}
finally
{
Console.WriteLine("finallyブロックで待機中。");
Console.ReadKey();
}
}
