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#include <iostream>
#include <Windows.h>
using namespace std;

HWND hWnd = GetConsoleWindow();
HDC hDC = GetDC(hWnd);

void DrawOctagon(HDC hDC, COLORREF color, int cx, int cy, int w, int h)
{
    HPEN hPen = CreatePen(PS_SOLID, 2, color);
    HBRUSH hBrush = GetStockBrush(NULL_BRUSH);

    SelectObject(hDC, hPen);
    SelectObject(hDC, hBrush);

    POINT pt[8];
    // Вычисляем 8 точек восьмиугольника
    pt[0].x = cx + w / 2; pt[0].y = cy;
    pt[1].x = cx + w - w / 4; pt[1].y = cy;
    pt[2].x = cx + w; pt[2].y = cy + h / 2;
    pt[3].x = cx + w - w / 4; pt[3].y = cy + h;
    pt[4].x = cx + w / 2; pt[4].y = cy + h;
    pt[5].x = cx + w / 4; pt[5].y = cy + h;
    pt[6].x = cx; pt[6].y = cy + h / 2;
    pt[7].x = cx + w / 4; pt[7].y = cy;

    Polygon(hDC, pt, 8);

    DeleteObject(hPen);
}

int main()
{
    int squareX = 100;
    int squareY = 100;
    int squareSize = 300;

    int w = 80;
    int h = 60;

    COLORREF bg = GetPixel(hDC, 0, 0);

    // Движение вправо (ширина уменьшается)
    for (int x = squareX; x <= squareX + squareSize - w; x += 5)
    {
        DrawOctagon(hDC, bg, x - 5, squareY, w, h);
        w = max(20, w - 1);
        DrawOctagon(hDC, RGB(255, 0, 0), x, squareY, w, h);
        Sleep(30);
    }

    // Движение вниз
    for (int y = squareY; y <= squareY + squareSize - h; y += 5)
    {
        DrawOctagon(hDC, bg, squareX + squareSize - w, y - 5, w, h);
        DrawOctagon(hDC, RGB(255, 0, 0), squareX + squareSize - w, y, w, h);
        Sleep(30);
    }

    // Движение влево (ширина увеличивается)
    for (int x = squareX + squareSize - w; x >= squareX; x -= 5)
    {
        DrawOctagon(hDC, bg, x + 5, squareY + squareSize - h, w, h);
        w = min(80, w + 1);
        DrawOctagon(hDC, RGB(255, 0, 0), x, squareY + squareSize - h, w, h);
        Sleep(30);
    }

    // Движение вверх
    for (int y = squareY + squareSize - h; y >= squareY; y -= 5)
    {
        DrawOctagon(hDC, bg, squareX, y + 5, w, h);
        DrawOctagon(hDC, RGB(255, 0, 0), squareX, y, w, h);
        Sleep(30);
    }

    cin.get();
    return 0;
}