Circle::drawFrame + RenderTexture

Main.cpp

#include <Siv3D.hpp>

void Main()
{
	const Size windowSize(640, 480);

	const Color bg = Palette::Black;

	RenderTexture renderTexture(windowSize.x / 2, windowSize.y, bg);

	Window::Resize(windowSize);

	Graphics::SetBackground(bg);

	Graphics2D::SetSamplerState(SamplerState::ClampLinear);


	while (System::Update())
	{
		PutText(L"RenderTexture").at(windowSize.x * 3 / 4, 50);
		PutText(L"Default").at(windowSize.x * 1 / 4, 50);


		// (1) RenderTexture

		Graphics2D::SetRenderTarget(renderTexture);

		Rect(renderTexture.size).draw(bg);  // 背景をクリア

		Circle(windowSize.x / 4.0, windowSize.y / 2.0, 100.0).drawFrame(5.0, 0.0);
		Circle(windowSize.x / 4.0, windowSize.y / 2.0, 70.0).draw();

		Graphics2D::SetRenderTarget(Graphics::GetSwapChainTexture());

		renderTexture.draw(windowSize.x / 2, 0);


		// (2) Default

		Circle(windowSize.x / 4.0 + Random(-100, 100), windowSize.y / 2.0, 100.0).drawFrame(5.0);
		Circle(windowSize.x / 4.0, windowSize.y / 2.0, 70.0).draw();
	}
}