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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.
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,
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
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.