VC++鼠标画圈

int r=100; int x0=gameRect.left+pt.x; int y0=gameRect.top+pt.y; int x,y; double n=0; MoveTo(x0,y0); while(n < 100) { x=x0+r*cos(n); y=y0-r*sin(n); MoveTo(x,y); Sleep(50); if ( GetCurs

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