PlayerPrefs.GetFloat

描述

返回偏好设置文件中与 key 对应的值（如果存在）。

If it doesn't exist, PlayerPrefs.GetFloat will return defaultValue.

//Use this script to fetch the PlayerPrefs settings and show them as text on the screen.

using UnityEngine;
using UnityEngine.UI;

public class PlayerPrefsDeleteAllExample : MonoBehaviour
{
    float m_Health;

    void Start()
    {
        //Fetch the PlayerPref settings
        SetText();
    }

    void SetText()
    {
        //Fetch the health from the PlayerPrefs (set these PlayerPrefs elsewhere). If no float of this name exists, the default is 0
        m_Health = PlayerPrefs.GetFloat("Health", 0);
    }

    void OnGUI()
    {
        //Fetch the PlayerPrefs settings and output them to the screen using Labels
        GUI.Label(new Rect(50, 90, 200, 30), "Health : " + m_Health);
    }
}