Health/Assets/OpenCVForUnity/Examples/MainModules/imgproc/ConvexHullExample/ConvexHullExample.cs

79 lines
2.3 KiB
C#

using UnityEngine;
using UnityEngine.SceneManagement;
using System.Collections.Generic;
using OpenCVForUnity.CoreModule;
using OpenCVForUnity.ImgprocModule;
using OpenCVForUnity.UnityUtils;
namespace OpenCVForUnityExample
{
/// <summary>
/// ConvexHull Example
/// http://docs.opencv.org/trunk/d7/d1d/tutorial_hull.html
/// </summary>
public class ConvexHullExample : MonoBehaviour
{
// Use this for initialization
void Start()
{
Mat imgMat = new Mat(500, 500, CvType.CV_8UC3, new Scalar(0, 0, 0));
Debug.Log("imgMat.ToString() " + imgMat.ToString());
int rand_num = 50;
MatOfPoint pointsMat = new MatOfPoint();
pointsMat.alloc(rand_num);
Core.randu(pointsMat, 100, 400);
Point[] points = pointsMat.toArray();
for (int i = 0; i < rand_num; ++i)
{
Imgproc.circle(imgMat, points[i], 2, new Scalar(255, 255, 255), -1);
}
MatOfInt hullInt = new MatOfInt();
Imgproc.convexHull(pointsMat, hullInt);
List<Point> pointMatList = pointsMat.toList();
List<int> hullIntList = hullInt.toList();
List<Point> hullPointList = new List<Point>();
for (int j = 0; j < hullInt.toList().Count; j++)
{
hullPointList.Add(pointMatList[hullIntList[j]]);
}
MatOfPoint hullPointMat = new MatOfPoint();
hullPointMat.fromList(hullPointList);
List<MatOfPoint> hullPoints = new List<MatOfPoint>();
hullPoints.Add(hullPointMat);
Imgproc.drawContours(imgMat, hullPoints, -1, new Scalar(0, 255, 0), 2);
Imgproc.cvtColor(imgMat, imgMat, Imgproc.COLOR_BGR2RGB);
Texture2D texture = new Texture2D(imgMat.cols(), imgMat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(imgMat, texture);
gameObject.GetComponent<Renderer>().material.mainTexture = texture;
}
// Update is called once per frame
void Update()
{
}
/// <summary>
/// Raises the back button click event.
/// </summary>
public void OnBackButtonClick()
{
SceneManager.LoadScene("OpenCVForUnityExample");
}
}
}