#### keyframe file
#### format:
#### keyframe <keyframe time> <upper arm angle> <lower arm angle> ...
#### the first keyframe should always start at time 0.0 

keyframe 0.0 0  0      # arm vertical
keyframe 1.6 90 90      # base position for wave
keyframe 1.9 90 120
keyframe 2.1 90 60
keyframe 2.6 90 120
keyframe 3.1 90 60
keyframe 4.1 0  0      # back to starting position