1

code: cpp

# include <Siv3D.hpp> // OpenSiv3D v0.2.8

void Main()

{

Graphics::SetBackground(ColorF(0.8, 0.9, 1.0));

constexpr double CellSize = 100.0;

const Font font(30);

Grid<int32> grid(4, 4);

while (System::Update())

{

Transformer2D t(Mat3x2::Translate(120, 40));

RectF(400).stretched(5).rounded(3).draw(ColorF(0.7));

for (auto p : step(Size(4, 4)))

{

const RectF rect(p * CellSize, CellSize);

rect.stretched(-5).rounded(3).draw(ColorF(0.8));

}

}

}

https://gyazo.com/2a4cfa4a3aa7efacfc7bfe320a2db804