55 lines
1.2 KiB
C#
55 lines
1.2 KiB
C#
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using RoadTrain.MovementStrategy;
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namespace RoadTrain.MovementStrategy
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{
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/// <summary>
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/// Стратегия перемещения объекта в центр экрана
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/// </summary>
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public class MoveToCenter : AbstractStrategy
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{
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protected override bool IsTargetDestinaion()
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{
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var objParams = GetObjectParameters;
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if (objParams == null)
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{
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return false;
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}
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return objParams.ObjectMiddleHorizontal <= FieldWidth / 2 &&
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objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2 &&
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objParams.ObjectMiddleVertical <= FieldHeight / 2 &&
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objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2;
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}
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protected override void MoveToTarget()
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{
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var objParams = GetObjectParameters;
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if (objParams == null)
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{
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return;
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}
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var diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2;
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if (Math.Abs(diffX) > GetStep())
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{
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if (diffX > 0)
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{
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MoveLeft();
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}
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else
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{
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MoveRight();
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}
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}
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var diffY = objParams.ObjectMiddleVertical - FieldHeight / 2;
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if (Math.Abs(diffY) > GetStep())
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{
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if (diffY > 0)
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{
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MoveUp();
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}
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else
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{
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MoveDown();
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}
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}
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}
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}
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}
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