Sensor event structure (event.sensor.*)
Defined in SDL_events.h
typedef struct SDL_SensorEvent
{
Uint32 type; /**< SDL_SENSORUPDATE */
Uint32 timestamp; /**< In milliseconds, populated using SDL_GetTicks() */
Sint32 which; /**< The instance ID of the sensor */
float data[6]; /**< Up to 6 values from the sensor - additional values can be queried using SDL_SensorGetData() */
Uint64 timestamp_us; /**< The timestamp of the sensor reading in microseconds, if the hardware provides this information. */
} SDL_SensorEvent;