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.TH SDL_HapticOpen 3 "SDL 3.0.0" "SDL" "SDL3 FUNCTIONS"
.SH NAME
SDL_HapticOpen \- Open a haptic device for use\[char46]
.SH SYNOPSIS
.nf
.B #include \(dqSDL3/SDL.h\(dq
.PP
.BI "SDL_Haptic* SDL_HapticOpen(int device_index);
.fi
.SH DESCRIPTION
The index passed as an argument refers to the N'th haptic device on this
system\[char46]

When opening a haptic device, its gain will be set to maximum and
autocenter will be disabled\[char46] To modify these values use

.BR SDL_HapticSetGain
() and

.BR SDL_HapticSetAutocenter
()\[char46]

.SH FUNCTION PARAMETERS
.TP
.I device_index
index of the device to open
.SH RETURN VALUE
Returns the device identifier or NULL on failure; call

.BR SDL_GetError
() for more information\[char46]

.SH AVAILABILITY
This function is available since SDL 3\[char46]0\[char46]0\[char46]

.SH SEE ALSO
.BR SDL_HapticClose (3),
.BR SDL_HapticIndex (3),
.BR SDL_HapticOpenFromJoystick (3),
.BR SDL_HapticOpenFromMouse (3),
.BR SDL_HapticPause (3),
.BR SDL_HapticSetAutocenter (3),
.BR SDL_HapticSetGain (3),
.BR SDL_HapticStopAll (3)