|
on_slider = function(slider, x,y)
|
|
if slider.x0 == nil then return end -- slider uninitialized
|
|
if x < slider.x0-slider.w/2 or x > slider.x1+slider.w/2 then return end
|
|
if y < slider.y0-slider.h/2 or y > slider.y0+slider.h/2 then return end
|
|
return true
|
|
end |