//#include?
#include
//#include
//#include
#include
#include
#include
#define?PI?3.1415926
long?WINAPI?WndProc（HWND?hWnd//窗口句柄
					UINT?Message
					UINT?wParam
					LONG?Lparam）;

long?lCenterX=0lCenterY=0;
double?jsd;//角速度
int?zsd?=?0;//轉速
int?n=35;//控制風車大小
int?xjd;
long?x?=-5y=0;
int?i;

HDC?hDC;
HBRUSH?hBrush;
HPEN?hPen;
//畫葉片的函數
void?yepian（double?dint?iint?jint?k）	
{
	hBrush=CreateSolidBrush（RGB（ijk））;
	Selectobject（hDChBrush）;
	lCenterX=（int）（n*cos（jsd+d））;
	lCenterY=（int）（n*sin（jsd+d））;
	Pie（hDC
		lCenterX-nlCenterY-n
		lCenterX+nlCenterY+n
		2*lCenterX2*lCenterY//葉片弧線起點坐標
		（int）（lCenterX+n*cos（jsd+PI+d））（int）（lCenterY+n*sin（jsd+PI+d）））;//葉片弧線終點坐標
	Delete