学步园

#include <Windows.h><br /> #include <stdlib.h><br /> #include <math.h><br /> const double SPILT = 0.01;<br /> const int COUNT = 200;<br /> const double PI = 3.14159265;<br /> const int INTERVAL = 300;<br /> int main(/*int argc,__TCHAR* argv[]*/)<br /> {<br /> DWORD busySpan[COUNT];<br /> DWORD idleSpan[COUNT];<br /> int half = INTERVAL/2;<br /> double radian = 0.0;<br /> for (int i = 0; i < COUNT; i++)<br /> {<br /> busySpan[i] = (DWORD)(half+(sin(PI * radian) * half));<br /> idleSpan[i] = INTERVAL - busySpan[i];<br /> radian += SPILT;<br /> }<br /> DWORD startTime = 0;<br /> int j = 0;<br /> while (1)<br /> {<br /> j = j % COUNT;<br /> startTime = GetTickCount();<br /> while ((GetTickCount() - startTime) <= busySpan[j])<br /> ;<br /> Sleep(idleSpan[j]);<br /> j++;<br /> }<br /> return 0;<br /> }