C++ベースopencv練習バンプポイント

#include
#include
#include
using namespace std;
using namespace cv;
int main()
{
 Mat image(600, 600, CV_8UC3);
 RNG& rng = theRNG();//      
 while (1)
 {
  char key;//          
  int count = (unsigned)rng%100+3; //              100     3            100    3
  vector  points;  //       point     
  for (int i = 0; i < count; i++) //  for            
  {
   Point point;
   point.x = rng.uniform(image.cols / 4, image.cols * 3 / 4);
   point.y = rng.uniform(image.rows / 4, image.rows * 3 / 4);
   points.push_back(point);
  }
  vector  hull; //          
  convexHull(Mat(points), hull, true);  //   mat            
  image = Scalar::all(0); //          
  for (int i = 0; i < count; i++)
   circle(image, points[i], 3, Scalar(rng.uniform(0, 255), rng.uniform(0, 255), rng.uniform(0, 255)), FILLED, LINE_AA);
  //                     
  int hullcount = (int)hull.size();//      
  Point point0 = points[hull[hullcount - 1]]; //                   
  for (int i = 0; i < hullcount; i++)
  {
   Point point = points[hull[i]];
   line(image, point0, point, Scalar(255, 255, 255), 2, LINE_AA);
   point0 = point;
  }
  imshow("shiliezi", image);
  key = (char)waitKey();
  if (key == 27 || key == 'q' || key == 'Q')
   break;
 }
 return 1;
}