QuadWarp

https://gyazo.com/3db40c478602f812570d61d12bca5379

バージョン: v0.8

code:cpp

# include <Siv3D.hpp> // Siv3D v0.8.0

void Main()

{

Window::Resize(1280, 720);

const Texture texture{ U"🔥"_emoji, 256 };

while (System::Update())

{

Scene::Rect().draw(Pattern::Checker{ ColorF{ 0.2 }, ColorF{ 0.25 }, 40 });

const Vec2 center = Cursor::Pos();

DefaultRNG rng{ 123456u };

for (int32 y : Range(-1, 1))

{

for (int32 x : Range(-1, 1))

{

const RectF rect{ Arg::center((640 + 200 * x), (360 + 200 * y)), 180 };

Quad q{ rect.tl(), rect.tr(), rect.br(), rect.bl() };

q.p0 += ((q.p0 - center) * 0.1).rotate(RandomAngle(rng));

q.p1 += ((q.p1 - center) * 0.1).rotate(RandomAngle(rng));

q.p2 += ((q.p2 - center) * 0.1).rotate(RandomAngle(rng));

q.p3 += ((q.p3 - center) * 0.1).rotate(RandomAngle(rng));

q.drawFrame(2, ColorF{ 0.9, 0.7, 0.3 });

texture.drawQuadWarp(q);

}

}

}

}