Update virtual control scene

game/vctrl.lua

@@ -64,7 +64,7 @@ function control_type.button:new(data)
         r=data.r or 80, -- size
         shape=data.shape or 'circle',
         key=data.key or 'X',
-        iconSize=data.iconSize or 80,
+        iconSize=data.iconSize or 60,
         alpha=data.alpha or 0.75,
         quad=virtual_quad[data.key]
     },self)
@@ -148,6 +148,7 @@ local touches={}
 local global_toggle=false
 VCTRL={}
 VCTRL.focus=nil -- Focusing buttons
+VCTRL.hasChanged = false
 
 ---@class VCTRL.data
 ---@field type 'button'