3d wheel more or less operating

metrics.ini

[ScreenSelectMusic]
MusicWheelX=SCREEN_CENTER_X
MusicWheelY=SCREEN_CENTER_Y
MusicWheelOnCommand=draworder,DrawOrder.Overlay;SetDrawByZPosition,true;fov,90

[MusicWheel]
ItemWidth=math.max(math.ceil(SCREEN_WIDTH/3), 220)
ItemHeight=55
ItemOffset=0
ItemTransformFunction=function(self,offsetFromCenter,itemIndex,_numItems) \
	local curve = math.pi \
	local numItems = 20 \
	local radius  = 700 \
	local y_scale = 1.5 \
	local rotationx_radians = scale(offsetFromCenter,-numItems/2,numItems/2,-curve/2,curve/2) \
	--[[self:x( math.cos(offsetFromCenter/math.pi))]] \
	self:y( math.sin(rotationx_radians/curve) * radius * y_scale) \
	self:z( -radius + radius/y_scale*1.5 * math.cos(rotationx_radians) ) \
	self:rotationx( rotationx_radians * 180/math.pi )	--[[ to degrees end ]] \
end