Unity使用陀螺仪检测屏幕方向

Posted 2022-10-14 DaLiangChen

using UnityEngine;

/// <summary>检测设备方向</summary>
public class CheckDeviceOrientation : MonoBehaviour

    private void Start()
    
        initGyro();
    

    /// <summary>初始化陀螺仪</summary>
    private void initGyro()
    
        Input.gyro.enabled = true;
        Input.gyro.updateInterval = 0.1f;
    

    private bool isBackCamera = true;

    private void Update()
    
         checkOrientation();
    

    /// </summary>
    void checkOrientation()
    
        if (Mathf.Abs(Input.gyro.gravity.z) <= 0.9f)
        
            DeviceOrientation curOrientation = DeviceOrientation.Unknown;
            if (Mathf.Abs(Input.gyro.gravity.x) > Mathf.Abs(Input.gyro.gravity.y))
            
                if (Input.gyro.gravity.x > 0f)
                
                    curOrientation = DeviceOrientation.LandscapeRight;
                
                else
                
                    curOrientation = DeviceOrientation.LandscapeLeft;
                
            
            else if (Input.gyro.gravity.y > 0f)
            
                curOrientation = !this.isBackCamera ? DeviceOrientation.Portrait : DeviceOrientation.PortraitUpsideDown;
            
            else
            
                curOrientation = !this.isBackCamera ? DeviceOrientation.PortraitUpsideDown : DeviceOrientation.Portrait;