Siv3Dで簡単なアニメーションを作る

Main.cpp

# include <Siv3D.hpp>

class Anime
{
public:
	Anime(const Texture& texture, int size, int frame) :
		m_texture(texture),
		m_size(size),
		m_frame(frame),
		m_index(0),
		m_count(0) {}

	void update()
	{
		++m_count;

		if (m_count > m_frame)
		{
			m_count = 0;
			++m_index;

			if (m_index >= m_size)
			{
				m_index = 0;
			}
		}
	}

	void draw(const Vec2& pos) const
	{
		m_texture.uv(static_cast<double>(m_index) / m_size, 0.0, 1.0 / m_size, 1.0).draw(pos);
	}

private:
	Texture m_texture;
	int m_size;
	int m_frame;
	int m_index;
	int m_count;
};

void Main()
{
	Texture texture(L"AsachunAnime.png");

	Anime anime(texture, 4, 10);

	while (System::Update())
	{
		anime.update();
		anime.draw(Mouse::Pos());
	}
}