Will be 0 if the device is not a touch device or if the number of touches is unknown.
Device.numTouches
uint numTouches() @propertyGet numTouches property.
Returns
The maximal number of concurrent touches on a touch device.
uint numTouches() @propertyGet numTouches property.
Will be 0 if the device is not a touch device or if the number of touches is unknown.