mouseBezierPath.cpp

static void mouseBezierPath(Point<int> p0, Point<int> p1, Point<int> p2, Point<int> p3)
{
	double const length = p1.getDistanceFrom(p0) + p2.getDistanceFrom(p1) + p3.getDistanceFrom(p2);
	double const kMouseSpeed = 2000; // pixel/second
	double const kInterval = 0.0001; // second
	int const numDiv = std::max(1, static_cast<int>(length / kMouseSpeed / kInterval));
	for (int i = 0; i <= numDiv; ++i) {
		double const t = i / double(numDiv);
		Point<int> p = (((-p0 + (p1 - p2) * 3 + p3) * t + (p0 - p1 * 2 + p2) * 3) * t + (p1 - p0) * 3) * t + p0;
		Desktop::setMousePosition(p);
		std::this_thread::sleep_for(std::chrono::nanoseconds(static_cast<int>(kInterval * 1e9)));
	}
}