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docs: heavy editing to make this happy with latest wikibridge.

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The public headers saw lots of cleanups, backporting from SDL3 docs, and
merging with the wiki.

The markdown files in docs/README-*.md were converted to Unix endlines.
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Ryan C. Gordon 2024-04-23 14:19:47 -04:00
parent a96196c958
commit e03ad30a57
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80 changed files with 6963 additions and 6115 deletions
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108
include/SDL_sensor.h
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@ -44,7 +44,7 @@ extern "C" {
* \brief SDL_sensor.h
*
* In order to use these functions, SDL_Init() must have been called
* with the ::SDL_INIT_SENSOR flag. This causes SDL to scan the system
* with the SDL_INIT_SENSOR flag. This causes SDL to scan the system
* for sensors, and load appropriate drivers.
*/
@ -52,21 +52,67 @@ struct _SDL_Sensor;
typedef struct _SDL_Sensor SDL_Sensor;
/**
* This is a unique ID for a sensor for the time it is connected to the system,
* and is never reused for the lifetime of the application.
* This is a unique ID for a sensor for the time it is connected to the
* system, and is never reused for the lifetime of the application.
*
* The ID value starts at 0 and increments from there. The value -1 is an invalid ID.
* The ID value starts at 0 and increments from there. The value -1 is an
* invalid ID.
*/
typedef Sint32 SDL_SensorID;
/* The different sensors defined by SDL
/**
* The different sensors defined by SDL.
*
* Additional sensors may be available, using platform dependent semantics.
*
* Hare are the additional Android sensors:
* Here are the additional Android sensors:
*
* https://developer.android.com/reference/android/hardware/SensorEvent.html#values
*
* Accelerometer sensor notes:
*
* The accelerometer returns the current acceleration in SI meters per second
* squared. This measurement includes the force of gravity, so a device at
* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
* earth, which is a positive Y value.
*
* - `values[0]`: Acceleration on the x axis
* - `values[1]`: Acceleration on the y axis
* - `values[2]`: Acceleration on the z axis
*
* For phones and tablets held in natural orientation and game controllers
* held in front of you, the axes are defined as follows:
*
* - -X ... +X : left ... right
* - -Y ... +Y : bottom ... top
* - -Z ... +Z : farther ... closer
*
* The accelerometer axis data is not changed when the device is rotated.
*
* Gyroscope sensor notes:
*
* The gyroscope returns the current rate of rotation in radians per second.
* The rotation is positive in the counter-clockwise direction. That is, an
* observer looking from a positive location on one of the axes would see
* positive rotation on that axis when it appeared to be rotating
* counter-clockwise.
*
* - `values[0]`: Angular speed around the x axis (pitch)
* - `values[1]`: Angular speed around the y axis (yaw)
* - `values[2]`: Angular speed around the z axis (roll)
*
* For phones and tablets held in natural orientation and game controllers
* held in front of you, the axes are defined as follows:
*
* - -X ... +X : left ... right
* - -Y ... +Y : bottom ... top
* - -Z ... +Z : farther ... closer
*
* The gyroscope axis data is not changed when the device is rotated.
*
* \sa SDL_GetDisplayOrientation
*/
typedef enum
typedef enum SDL_SensorType
{
SDL_SENSOR_INVALID = -1, /**< Returned for an invalid sensor */
SDL_SENSOR_UNKNOWN, /**< Unknown sensor type */
@ -79,53 +125,15 @@ typedef enum
} SDL_SensorType;
/**
* Accelerometer sensor
* A constant to represent standard gravity for accelerometer sensors.
*
* The accelerometer returns the current acceleration in SI meters per
* second squared. This measurement includes the force of gravity, so
* a device at rest will have an value of SDL_STANDARD_GRAVITY away
* from the center of the earth, which is a positive Y value.
*
* values[0]: Acceleration on the x axis
* values[1]: Acceleration on the y axis
* values[2]: Acceleration on the z axis
*
* For phones held in portrait mode and game controllers held in front of you,
* the axes are defined as follows:
* -X ... +X : left ... right
* -Y ... +Y : bottom ... top
* -Z ... +Z : farther ... closer
*
* The axis data is not changed when the phone is rotated.
*
* \sa SDL_GetDisplayOrientation()
* The accelerometer returns the current acceleration in SI meters per second
* squared. This measurement includes the force of gravity, so a device at
* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
* earth, which is a positive Y value.
*/
#define SDL_STANDARD_GRAVITY 9.80665f
/**
* Gyroscope sensor
*
* The gyroscope returns the current rate of rotation in radians per second.
* The rotation is positive in the counter-clockwise direction. That is,
* an observer looking from a positive location on one of the axes would
* see positive rotation on that axis when it appeared to be rotating
* counter-clockwise.
*
* values[0]: Angular speed around the x axis (pitch)
* values[1]: Angular speed around the y axis (yaw)
* values[2]: Angular speed around the z axis (roll)
*
* For phones held in portrait mode and game controllers held in front of you,
* the axes are defined as follows:
* -X ... +X : left ... right
* -Y ... +Y : bottom ... top
* -Z ... +Z : farther ... closer
*
* The axis data is not changed when the phone or controller is rotated.
*
* \sa SDL_GetDisplayOrientation()
*/
/* Function prototypes */
/**