Indicates that a Joystick trackball was moved.
This event has these attributes:
[Source]
# File lib/rubygame/event.rb, line 228 def initialize(joy,ball,rel) # eventually, joy could be int OR a Rubygame::Joystick instance, # which would be stored as joy or maybe joyinstance? @joynum = joy @ball, @rel = ball, rel end
[Validate]