Distance-sqrMagnitude-Test.cs

using System;
using System.Diagnostics;
using System.Text;
using UnityEngine;
using UnityEngine.UI;

public class BuildTest : MonoBehaviour {

    public Text result;
    
    int caseCount = 100000000;
    Vector3 vector1 = new Vector3(11.3f,12.5f,10.8f);
    Vector3 vector2 = new Vector3(24.1f,21.8f,22.3f);
    
    Action<int, string, Action<int, StringBuilder>, StringBuilder> action;

    
    void Awake()
    {
        action = (loopCount, title, work, sb) =>
        {
            Stopwatch st = new Stopwatch();
            st.Start();
        
            work(loopCount, sb);
        
            st.Stop();
            sb.AppendLine(title + " : " + st.ElapsedMilliseconds + "ms.");
        };
        
        StringBuilder temp = new StringBuilder(500);
        
        action(1, "bake", Distance, temp);
        action(1, "bake", sqrMagnitude, temp);
        action(1, "bake", sqrMagnitudeProperty, temp);
    }

    void Start()
    {
        Do();
    }

    void Do()
    {
        StringBuilder sb = new StringBuilder(500);
        
        action(caseCount, "Vector3.Distance", Distance, sb);
        action(caseCount, "Vector3.SqrMagnitude", sqrMagnitude, sb);
        action(caseCount, "().sqrMagnitude", sqrMagnitudeProperty, sb);

        result.text = sb.ToString();
    }

    void Distance(int count, StringBuilder logger)
    {
        for (int i = 0; i < count; i++) {
            var distance = Vector3.Distance(vector1, vector2);
        }
    }

    void sqrMagnitude(int count, StringBuilder logger)
    {
        GameObject go;
        for (int i = 0; i < count; i++) {
            var distance = Vector3.SqrMagnitude(vector1 - vector2);
        }
    }
    
    void sqrMagnitudeProperty(int count, StringBuilder logger)
    {
        GameObject go;
        for (int i = 0; i < count; i++) {
            var distance =(vector1 - vector2).sqrMagnitude;
        }
    }
}