Siv3D August 2016 の新機能サンプル

Box2D と CameraBox2D と ScalableWindiow

• サイズ可変のウィンドウ
• W/A/S/D キーやマウス右ボタン、ホイールでカメラを移動

# include <Siv3D.hpp>
# include <HamFramework.hpp>

void Main()
{
	ScalableWindow::Setup();
	CameraBox2D camera(Vec2(0,0), 17.0);

	PhysicsWorld world;

	auto ground = world.createLineString(Vec2(0, 0), { Vec2(-20, 20), Vec2(-20, 10), Vec2(20, 0), Vec2(20, 20) }, none, none, PhysicsBodyType::Static);

	Array<PhysicsBody> bodies;

	bodies.push_back(world.createPolygon(Vec2(-8, 9), Geometry2D::CreateStar(1)));

	for (auto i : step(100))
	{
		bodies.push_back(world.createCircle(Vec2(0, 5 + i * 2), 0.5));
	}

	while (System::Update())
	{
		world.update();
		camera.update();
		{
			const auto t1 = camera.createTransformer();
			const auto t2 = ScalableWindow::CreateTransformer();

			ground.draw();

			for (const auto& body : bodies)
			{
				body.draw(Palette::Skyblue);
			}
		}
		camera.draw(Palette::Orange);
	}
}