Walking Arm Trebuchet

Nice article here: https://makezine.com/projects/walking-arm-trebuchet/

How to run it

Run beam_optim.jl, uncomment these lines:

res = optimize((params) -> rangeObjective(params)[1],lower,upper,x0,
               Fminbox(inner_optimizer), Optim.Options(iterations=60))
print(res)

params = Optim.minimizer(res)

And comment out the params that are hardcoded after it. This will optimize the trebuchet and plot the results. Other useful parameters are FPS on line 433 and liveview on 534.

This was tested with Julia 1.6.

beam_optim_small.jl has modified upper and lower bounds and intended for throwing a tennis ball, not a pumpkin.