虹

https://scrapbox.io/files/644144f811dcbd001cfced6c.png

使い方

Rainbow(Circle 円);

用途

コード

code:rainbow.cpp

# include <Siv3D.hpp>

void Rainbow(const Circle& circle)

{

constexpr std::array<ColorF,7> colors

{

Palette::Red,

Palette::Orange,

Palette::Yellow,

Palette::Green,

Palette::Blue,

Palette::Darkblue,

Palette::Purple

};

const double d = circle.r / 20;

for (int32 i : step(7))

{

}

}

void Main()

{

Scene::SetBackground(Palette::Skyblue);

while (System::Update())

{

Rainbow(Circle{ 400,450,300 });

}

}