using UnityEngine;

public class AccelerationTest : MonoBehaviour {

    float speed = 0.2f;
    Vector3 dir;

    Transform mTran;

    void Awake()
    {
        mTran = transform;
    }

    void OnGUI()
    {
        string s = string.Format("x={0},y={1},z={2}", mTran.localPosition.x, mTran.localPosition.y, mTran.localPosition.z);
        
        GUIStyle style = new GUIStyle();
        style.fontSize = 40;//设置字体大小
        style.normal.background = null;    //设置背景填充的
        style.normal.textColor = new Color(1, 0, 0);//设置字体颜色

        GUI.Label(new Rect(10, 40, 200, 20), s, style);

        GUI.color = Color.red;

        if (GUI.Button(new Rect(10, 20, 100, 20), "Reset")){
            transform.localPosition = Vector3.zero;
        }

        if (GUI.Button(new Rect(200, 20, 100, 20), "Exit")){
            #if UNITY_IPHONE || UNITY_ANDROID
                System.Diagnostics.Process.GetCurrentProcess().Kill();
            #endif
                Application.Quit();
            #if UNITY_EDITOR
            if (Application.isEditor)
            {
                UnityEditor.EditorApplication.isPlaying = false;
            }
            #endif
        }
    }

    // Update is called once per frame
    void Update () {
        //线性加速度的三维向量x、y、z分别标识手机屏幕竖直方向、水平方向和垂直屏幕方向。
        //通过手机重力传感器就能获取手机移动或者旋转过程中3个分量的数值。
        dir.x = -Input.acceleration.y;
        dir.y = Input.acceleration.x;
        dir.z = Input.acceleration.z;
        //将数值大于1的线性加速度的分量限制为1
        if (dir.sqrMagnitude > 1)
            dir.Normalize();
        dir *= Time.deltaTime;
        transform.Translate(dir * speed);
    }
}