SavePointCloudData.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using GoogleARCore;
using UnityEngine.UI;

public class SavePointCloudData : MonoBehaviour {
  private const int k_MaxPointCount = 61440;
  private Mesh m_Mesh;
  private Vector3[] m_Points = new Vector3[k_MaxPointCount];
  private int[] indices = new int[k_MaxPointCount];//added by Limes

   public void Start(){
        m_Mesh = GetComponent<MeshFilter>().mesh;
        m_Mesh.Clear();
   }

    public void Update(){
            if (Frame.PointCloud.IsUpdatedThisFrame){
                // Copy the point cloud points for mesh verticies.
                for (int i = 0; i < Frame.PointCloud.PointCount; i++){
                    m_Points[i] = Frame.PointCloud.GetPoint(i);
                }

                // Update the mesh indicies array.
              //  int[] indices = new int[Frame.PointCloud.PointCount]; // deleted by Limes
                for (int i = 0; i < Frame.PointCloud.PointCount; i++){
                    indices[i] = i;
                }
                m_Mesh.Clear();
                m_Mesh.vertices = m_Points;
                m_Mesh.SetIndices(indices, MeshTopology.Points, 0);
            }
        }

public void savePointCloudInfo(){
   string path = "";
   string pointcloudDataPath;
   using (AndroidJavaClass jcEnvironment = new AndroidJavaClass ("android.os.Environment"))
   using (AndroidJavaObject joExDir = jcEnvironment.CallStatic<AndroidJavaObject> ("getExternalStorageDirectory")) {
    path = joExDir.Call<string>("toString");
pointcloudDataPath = path + "/pointcloud";
//フォルダがなければ作成
if (!Directory.Exists(pointcloudDataPath)) Directory.CreateDirectory(pointcloudDataPath);
 string filepath = pointcloudDataPath + "/"+DateTime.Now.ToString("yyyyMMddHHmmss")+".csv";
 StreamWriter sw= new StreamWriter(filepath, true);
 int maxPointIndex = indices.Length;
 int endLoopCount =0;
 for(int i=0; i<maxPointIndex;i++){
	if( (indices[i] ==0) && (m_Points[i].x == 0) && (m_Points[i].y == 0) && (m_Points[i].z == 0) ){
      endLoopCount++;
	    if(endLoopCount == 3){
		break;
	     }
	}
	string tmp = indices[i].ToString()+","+m_Points[i].x.ToString()+","+m_Points[i].y.ToString()+","+m_Points[i].z.ToString();
	sw.WriteLine(tmp);
		}
        sw.Flush();
        sw.Close();
}
	}
}