Color.grayscale

描述

颜色的灰度值。（只读）

Unity uses the following formula to calculate the grayscale value: (0.299f * Color.r) + (0.587f * Color.g) + (0.114f * Color.b).

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        Color newColor = new Color(0.3f, 0.4f, 0.6f);
        print(newColor.grayscale);
    }
}