diff --git a/Sailboat/Sailboat/MoveToCenter.cs b/Sailboat/Sailboat/MoveToCenter.cs new file mode 100644 index 0000000..02fc9e7 --- /dev/null +++ b/Sailboat/Sailboat/MoveToCenter.cs @@ -0,0 +1,59 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace Sailboat.MovementStrategy +{ + /// + /// Стратегия перемещения объекта в центр экрана + /// + public class MoveToCenter : AbstractStrategy + { + protected override bool IsTargetDestinaion() + { + var objParams = GetObjectParameters; + if (objParams == null) + { + return false; + } + return objParams.ObjectMiddleHorizontal <= FieldWidth / 2 && + objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2 && + objParams.ObjectMiddleVertical <= FieldHeight / 2 && + objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2; + } + protected override void MoveToTarget() + { + var objParams = GetObjectParameters; + if (objParams == null) + { + return; + } + var diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2; + if (Math.Abs(diffX) > GetStep()) + { + if (diffX > 0) + { + MoveLeft(); + } + else + { + MoveRight(); + } + } + var diffY = objParams.ObjectMiddleVertical - FieldHeight / 2; + if (Math.Abs(diffY) > GetStep()) + { + if (diffY > 0) + { + MoveUp(); + } + else + { + MoveDown(); + } + } + } + } +} \ No newline at end of file