Method: GLFW::Window#on_scroll

Defined in:

lib/glfw/stubs/window.rb

#on_scroll {|x, y| ... } ⇒ Proc? #on_scroll ⇒ Proc?

Returns the previous callback that was set, or nil if none existed.

Overloads:

• #on_scroll {|x, y| ... } ⇒ Proc?

  When called with a block, sets a callback to be invoked when the mouse wheel is scrolled.

  Yield Parameters:

  • x (Float) —

    The scroll amount on the x-axis, or 0.0 when not supported.

  • y (Float) —

    The scroll amount on the y-axis.

• #on_scroll ⇒ Proc?

  When called without a block, clears any callback that is set.

Returns:

• (Proc?) —

  the previous callback that was set, or nil if none existed.

# File 'lib/glfw/stubs/window.rb', line 538

def on_scroll
end