Main.cpp

# include <Siv3D.hpp> // OpenSiv3D v0.4.3

void Main()
{
	const std::array<Texture, 3> textures =
	{
		Texture(Emoji(U"😊")),
		Texture(Emoji(U"😒")),
		Texture(Emoji(U"😂")),
	};

	constexpr Size imageSize = Emoji::ImageSize;

	while (System::Update())
	{
		Rect(0, 300, 800, 300).draw(ColorF(0.2, 0.3, 0.4));

		for (auto [i, texture] : Indexed(textures))
		{
			const Vec2 pos(140 + i * 200, 220);

			texture.draw(pos);

			// 反射するテクスチャ
			texture(0, imageSize.y * 0.25, imageSize.x, imageSize.y * 0.75).flipped()
				.draw(pos.x, pos.y + imageSize.y,
					Arg::top = AlphaF(0.5), Arg::bottom = AlphaF(0.0));
		}
	}
}