PIbd-14_Rachek_A.S._Base/lab_0/MovementStrategy/MoveToBorder.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ProjectBus.MovementStrategy;
public class MoveToBorder : AbstractStrategy
{
    protected override bool IsTargetDestinaion()
    {
        ObjectParameters? objParams = GetObjectParameters;
        if (objParams == null)
        {
            return false;
        }
        return objParams.ObjectMiddleHorizontal - GetStep() <= FieldWidth
        && objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth &&
        objParams.ObjectMiddleVertical - GetStep() <= FieldHeight
        && objParams.ObjectMiddleVertical + GetStep() >= FieldHeight;
    }

    protected override void MoveToTarget()
    {
        ObjectParameters? objParams = GetObjectParameters;
        if (objParams == null)
        {
            return;
        }
        int diffX = objParams.ObjectMiddleHorizontal - FieldWidth;
        if (Math.Abs(diffX) > GetStep())
        {
            if (diffX > 0)
            {
                MoveLeft();
            }
            else
            {
                MoveRight();
            }
        }
        int diffY = objParams.ObjectMiddleVertical - FieldHeight;
        if (Math.Abs(diffY) > GetStep())
        {
            if (diffY > 0)
            {
                MoveUp();
            }
            else
            {
                MoveDown();
            }
        }
    }
}