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Updated readme

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Sergii Pylypenko
2015-07-13 20:34:03 +03:00
parent ae21576be1
commit 4635e72dd5
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@@ -260,7 +260,8 @@ scaled from -32767 to 32767, denoting the device tilt angles from the horizontal
Raw accelerometer events are sent with event.jaxis.axis from 5 to 7, with Earth gravity having a value 9800. Raw accelerometer events are sent with event.jaxis.axis from 5 to 7, with Earth gravity having a value 9800.
You will need to set AppUsesAccelerometer=y in AndroidAppSettings.cfg, and call SDL_JoystickOpen(1) in your code. You will need to set AppUsesAccelerometer=y in AndroidAppSettings.cfg, and call SDL_JoystickOpen(1) in your code.
Gyroscope events are sent as SDL_JOYAXISMOTION, with event.jaxis.which == 1 and event.jaxis.axis from 2 to 4, Gyroscope events are sent as SDL_JOYAXISMOTION, with event.jaxis.which == 1 and event.jaxis.axis from 2 to 4,
with value 32767 equal to 0.25 rad/s. You will need to set AppUsesGyroscope=y in AndroidAppSettings.cfg to use it. with value 32767 equal to 0.25 rad/s. Multiple events will be sent at once, if the device is rapidly rotated.
You will need to set AppUsesGyroscope=y in AndroidAppSettings.cfg to use it, and call SDL_JoystickOpen(1).
Gyroscope hardware is much more precise and less noisy than accelerometer, it is present on newer devices Gyroscope hardware is much more precise and less noisy than accelerometer, it is present on newer devices
starting from Galaxy S II, but older devices do no have it - it is emulated with accelerometer + compass. starting from Galaxy S II, but older devices do no have it - it is emulated with accelerometer + compass.
SDL also supports gamepad - you can plug PS3/Xbox gamepad to almost any tablet, some devices have built-in gamepad. SDL also supports gamepad - you can plug PS3/Xbox gamepad to almost any tablet, some devices have built-in gamepad.