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@ -63,12 +63,68 @@ typedef struct SDL_Sensor SDL_Sensor;
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typedef Uint32 SDL_SensorID;
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typedef Uint32 SDL_SensorID;
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/**
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/**
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* The different sensors defined by SDL
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* A constant to represent standard gravity for accelerometer sensors.
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*
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* The accelerometer returns the current acceleration in SI meters per second
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* squared. This measurement includes the force of gravity, so a device at
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* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
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* earth, which is a positive Y value.
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*
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* \since This macro is available since SDL 3.0.0.
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*/
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#define SDL_STANDARD_GRAVITY 9.80665f
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/**
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* The different sensors defined by SDL.
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*
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*
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* Additional sensors may be available, using platform dependent semantics.
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* Additional sensors may be available, using platform dependent semantics.
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*
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*
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* Hare are the additional Android sensors:
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* Hare are the additional Android sensors:
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* https://developer.android.com/reference/android/hardware/SensorEvent.html#values
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* https://developer.android.com/reference/android/hardware/SensorEvent.html#values
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*
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* Accelerometer sensor notes:
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*
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* The accelerometer returns the current acceleration in SI meters per second
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* squared. This measurement includes the force of gravity, so a device at
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* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
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* earth, which is a positive Y value.
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*
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* - `values[0]`: Acceleration on the x axis
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* - `values[1]`: Acceleration on the y axis
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* - `values[2]`: Acceleration on the z axis
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*
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* For phones and tablets held in natural orientation and game controllers
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* held in front of you, the axes are defined as follows:
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*
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* - -X ... +X : left ... right
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* - -Y ... +Y : bottom ... top
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* - -Z ... +Z : farther ... closer
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*
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* The accelerometer axis data is not changed when the device is rotated.
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*
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* Gyroscope sensor notes:
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*
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* The gyroscope returns the current rate of rotation in radians per second.
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* The rotation is positive in the counter-clockwise direction. That is,
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* an observer looking from a positive location on one of the axes would
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* see positive rotation on that axis when it appeared to be rotating
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* counter-clockwise.
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*
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* - `values[0]`: Angular speed around the x axis (pitch)
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* - `values[1]`: Angular speed around the y axis (yaw)
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* - `values[2]`: Angular speed around the z axis (roll)
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*
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* For phones and tablets held in natural orientation and game controllers held in front of you, the axes are defined as follows:
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*
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* - -X ... +X : left ... right
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* - -Y ... +Y : bottom ... top
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* - -Z ... +Z : farther ... closer
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*
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* The gyroscope axis data is not changed when the device is rotated.
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*
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* \since This enum is available since SDL 3.0.0.
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*
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* \sa SDL_GetCurrentDisplayOrientation
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*/
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*/
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typedef enum SDL_SensorType
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typedef enum SDL_SensorType
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{
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{
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@ -82,55 +138,6 @@ typedef enum SDL_SensorType
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SDL_SENSOR_GYRO_R /**< Gyroscope for right Joy-Con controller */
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SDL_SENSOR_GYRO_R /**< Gyroscope for right Joy-Con controller */
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} SDL_SensorType;
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} SDL_SensorType;
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/**
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* Accelerometer sensor.
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*
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* The accelerometer returns the current acceleration in SI meters per second
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* squared. This measurement includes the force of gravity, so a device at
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* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
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* earth, which is a positive Y value.
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*
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* values[0]: Acceleration on the x axis values[1]: Acceleration on the y axis
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* values[2]: Acceleration on the z axis
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*
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* For phones and tablets held in natural orientation and game controllers
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* held in front of you, the axes are defined as follows:
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*
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* - -X ... +X : left ... right
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* - -Y ... +Y : bottom ... top
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* - -Z ... +Z : farther ... closer
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*
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* The axis data is not changed when the device is rotated.
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*
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* \since This macro is available since SDL 3.0.0.
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*
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* \sa SDL_GetCurrentDisplayOrientation
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*/
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#define SDL_STANDARD_GRAVITY 9.80665f
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/**
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* Gyroscope sensor.
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*
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* The gyroscope returns the current rate of rotation in radians per second.
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* The rotation is positive in the counter-clockwise direction. That is,
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* an observer looking from a positive location on one of the axes would
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* see positive rotation on that axis when it appeared to be rotating
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* counter-clockwise.
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*
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* values[0]: Angular speed around the x axis (pitch)
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* values[1]: Angular speed around the y axis (yaw)
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* values[2]: Angular speed around the z axis (roll)
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*
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* For phones and tablets held in natural orientation and game controllers held in front of you, the axes are defined as follows:
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*
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* - -X ... +X : left ... right
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* - -Y ... +Y : bottom ... top
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* - -Z ... +Z : farther ... closer
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*
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* The axis data is not changed when the device is rotated.
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*
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* \sa SDL_GetCurrentDisplayOrientation()
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*/
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/* Function prototypes */
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/* Function prototypes */
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