 
         touch_start = (event)=>
             event.preventDefault()
-            for t in event.target.touches
+            for t in event.targetTouches
                 touch = {}
                 touch.touching = true
                 touch.id = t.identifier

                touch.radius_y = 0
                touch.rel_x = 0
                touch.rel_y = 0
            @touch.touches = event.target.touches.length

        if enable_touch
            root_element.addEventListener 'touchend', touch_end, false

            event.preventDefault()
            for touch in @touch.touch_events
                touch.touching = 0
            for t in event.targetTouches
                touch = @touch.touch_events[t.identifier]
                touch.touching = true
                touch.force = 0
