GestureSwipe.getVelocity

bool getVelocity(out double velocityX, out double velocityY)

If the gesture is recognized, this function returns true and fill in velocity_x and velocity_y with the recorded velocity, as per the last event(s) processed.

Parameters

`velocityX`	return value for the velocity in the X axis, in pixels/sec
`velocityY`	return value for the velocity in the Y axis, in pixels/sec

Returns

whether velocity could be calculated