Unity3D使用陀螺仪控制节点旋转

本文实例为大家分享了unity3d陀螺仪控制节点旋转的具体代码，供大家参考，具体内容如下

/********************************************************************
 desc:  陀螺仪对相机的逻辑类。
*********************************************************************/
 
using system;
using system.collections;
using system.collections.generic;
using system.linq;
using system.text;
 
using unityengine;
 
namespace game.gyro
{
 
 /// <summary>
 /// 职责: 
 ///  1.实现陀螺仪对相机的影响和操作；
 ///  2.尽量重现崩坏3的主界面驾驶舱效果；
 /// </summary>
 class gyrocamera : monobehaviour
 {
 
  #region 声明
 
  /// <summary> 陀螺仪的输入类型 </summary>
  public enum egyroinputtype
  {
   /// <summary> rotaterate </summary>
   rotaterate,
 
   /// <summary> rotaterateuniased </summary>
   rotaterateuniased,
 
   /// <summary> useracceleration </summary>
   useracceleration,
  }
 
  #endregion
 
 
 
  #region 控制变量
 
  public float m_gyro_max_x = 15.0f;
 
  public float m_gyro_max_y = 15.0f;
 
  public float m_gyro_max_z = 15.0f;
 
  #endregion
 
 
 
  #region 变量
 
  /// <summary> editor开发环境下的模拟陀螺仪输入 </summary>
  public vector3 m_editor_debug_input = vector3.zero;
 
  /// <summary> 陀螺仪的输入参数，用以控制相机 </summary>
  public vector3 m_gyro_input = vector3.zero;
 
  /// <summary> 当前的摄像机角度 </summary>
  public vector3 m_cur_euler = vector3.zero;
 
  /// <summary> 陀螺仪数据的更新频率 </summary>
  public int m_upate_rate = 30;
 
  /// <summary> 当前陀螺仪的输入输入类型 </summary>
  public egyroinputtype m_gyro_input_type = egyroinputtype.rotaterate;
 
  /// <summary> 陀螺仪的系数 </summary>
  public float m_gyro_factor = 1.0f;
 
  private vector3 m_camera_init_euler = vector3.zero;
  private transform mtransform;
  #endregion
 
 
 
  #region 访问接口
 
  /// <summary> 陀螺仪的输入参数，用以控制相机 </summary>
  protected vector3 gyroinput
  {
   get
   {
    return m_gyro_input;
   }
   set
   {
    m_gyro_input = value;
   }
  }
 
  /// <summary> 陀螺仪输入数据的类型 </summary>
  protected egyroinputtype gyroinputtype
  {
   get
   {
    return m_gyro_input_type;
   }
   set
   {
    m_gyro_input_type = value;
   }
  }
 
  /// <summary> 陀螺仪的系数 </summary>
  protected float gyrofactor
  {
   get
   {
    return m_gyro_factor;
   }
   set
   {
    m_gyro_factor = value;
   }
  }
 
  /// <summary> 当前的旋转角 </summary>
  protected vector3 cureuler
  {
   get
   {
    return m_cur_euler;
   }
   set
   {
    m_cur_euler = value;
   }
  }
 
  #endregion
 
 
 
  #region unity
 
  // use this for initialization
  void start()
  {
   input.gyro.enabled = true;
 
   mtransform = gameobject.transform;
   cureuler = mtransform.localeulerangles;
   m_camera_init_euler = cureuler;
  }
 
  /// <summary> 绘制ui，方便调试 </summary>
  void ongui()
  {
   //gui.label(getrect(0.1f, 0.05f), "attitude: " + input.gyro.attitude);
 
   //gui.label(getrect(0.1f, 0.15f), "rotation: " + input.gyro.rotationrate);
 
   //gui.label(getrect(0.1f, 0.25f), "rotationunbiased: " + input.gyro.rotationrateunbiased);
 
   //gui.label(getrect(0.1f, 0.35f), "useracceleration: " + input.gyro.useracceleration);
 
   //// 陀螺仪的系数
   //{
   // string t_factor_str = gui.textfield(getrect(0.7f, 0.05f), "" + gyrofactor);
 
   // gyrofactor = float.parse(t_factor_str);
   //}
 
   //// 陀螺仪输入参数
   //{
   // if (gui.button(getrect(0.8f, 0.8f, 0.2f), "" + gyroinputtype))
   // {
   //  switch (gyroinputtype)
   //  {
   //   case egyroinputtype.rotaterate:
   //    gyroinputtype = egyroinputtype.rotaterateuniased;
   //    break;
 
   //   case egyroinputtype.rotaterateuniased:
   //    gyroinputtype = egyroinputtype.useracceleration;
   //    break;
 
   //   case egyroinputtype.useracceleration:
   //    gyroinputtype = egyroinputtype.rotaterate;
   //    break;
   //  }
   // }
   //}
  }
 
  // update is called once per frame
  void update()
  {
   // 设置陀螺仪更新频率
   input.gyro.updateinterval = 1.0f / m_upate_rate;
 
   // 根据陀螺仪计算相机的控制数据
   updategyro();
 
   // editor下的调试
#if unity_editor
   // 开发环境下不能用陀螺仪，模拟数据
   gyroinput = m_editor_debug_input;
#endif
 
   // 因值不确定范围，需增加系数控制
   gyroinput = gyroinput * gyrofactor;
 
   // 根据控制数据，对相机进行操作和变化
   updatecamera();
  }
 
  #endregion
 
 
 
  #region 控制逻辑
 
  /// <summary> 更新陀螺仪数据，并计算出相应的控制数据 </summary>
  protected void updategyro()
  {
   // 更新陀螺仪数据，并计算出控制变量
   switch (gyroinputtype)
   { //手机上左倾斜x是负值，又倾斜x是正值。上倾斜y是负值，下倾斜y是正值
    case egyroinputtype.rotaterate:
     gyroinput = input.gyro.rotationrate;
     break;
 
    case egyroinputtype.rotaterateuniased:
     gyroinput = input.gyro.rotationrateunbiased;
     break;
 
    case egyroinputtype.useracceleration:
     gyroinput = input.gyro.useracceleration;
     break;
 
    default:
     debug.logerror("gyroinputtypenot defined: " + gyroinputtype);
     break;
   }
  }
 
  /// <summary> 更新相机的行为 </summary>
  protected void updatecamera()
  {
   // 不需要gyro的z参数
#if unity_editor
   vector3 t_gyro_input = new vector3(gyroinput.x, gyroinput.y, gyroinput.z);
#else
   vector3 t_gyro_input = new vector3(0.0f, gyroinput.y, gyroinput.x);
#endif
 
   cureuler += t_gyro_input;
 
   // 范围控制
   {
    float t_x = clampfloat(cureuler.x, m_camera_init_euler.x, m_gyro_max_x);
 
    float t_y = clampfloat(cureuler.y, m_camera_init_euler.y, m_gyro_max_y);
 
    float t_z = clampfloat(cureuler.z, m_camera_init_euler.z, m_gyro_max_z);
 
    cureuler = new vector3(t_x, t_y, t_z);
   }
 
   mtransform.localeulerangles = cureuler;
  }
 
 
  #endregion
 
 
 
  #region 支持函数
 
  protected float clampfloat(float p_float, float p_init, float p_offset)
  {
   p_offset = mathf.abs(p_offset);
 
   if (p_float > p_init + p_offset)
   {
    p_float = p_init + p_offset;
   }
 
   if (p_float < p_init - p_offset)
   {
    p_float = p_init - p_offset;
   }
 
   return p_float;
  }
 
  /// <summary> 根据百分比获取gui的大概坐标 </summary>
  protected rect getrect(float p_x_percent, float p_y_percent, float p_w = 0.5f, float p_h = 0.1f)
  {
   return new rect(
    screen.width * p_x_percent, screen.height * p_y_percent,
    screen.width * p_w, screen.height * p_h);
  }
 
  #endregion
 
 }
 
}

将脚本挂在想被陀螺仪操控的节点上就ok了。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。