#include <Windows.h>
#include <cstdio>
#include <cmath>
#include <tuple>

constexpr auto num_points = 10;
constexpr auto sleep_msec = 1;
constexpr auto radius = 100.0f;

int main() {
	const auto window_handle = FindWindow(nullptr, "osu!");
	if (!window_handle) {
		printf("FATAL: Could not find osu!. (0x%X)\n", GetLastError());
		return -1;
	}

	auto get_desired_pos = [&]() -> std::tuple<int, int> {
		static auto counter = 0;
		counter++;

		RECT rect;
		GetWindowRect(window_handle, &rect);

		const auto center_x = rect.left + (rect.right - rect.left) / 2;
		const auto center_y = rect.top + (rect.bottom - rect.top) / 2;

		const auto angle = 3.1415926f * 2.0f * (float)counter / (float)num_points;
		
		if (counter > num_points) {
			counter = 0;
		}

		return { center_x + radius * sin(angle), center_y + radius * cos(angle) };
	};

	while (!GetAsyncKeyState(VK_DELETE)) {
		if (GetAsyncKeyState('P')) {
			std::apply(SetCursorPos, get_desired_pos());
		}

		Sleep(sleep_msec);
	}
}