class SDL2::Joystick::Balls

Enumerates buttons on a joystick.

Public Instance Methods

[](idx) click to toggle source

Button accessor via index @returns [DeltaX, DeltaY] integers

# File lib/sdl2/joystick/balls.rb, line 17
def [](idx)
  dx, dy = SDL2::TypedPointer::Int.new, SDL2::TypedPointer::Int.new                
  SDL2::joystick_get_ball(@joystick,idx, dx, dy)
  [dx.value, dy.value]       
end
count() click to toggle source

How many buttons are there?

# File lib/sdl2/joystick/balls.rb, line 11
def count
  SDL2::joystick_num_balls(@joystick)
end