fix cable implementation #827
Merged
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This fixes issue #824
Previously the mask initialization of the cable block used some 'eval()' syntax for setting the drag body mass. This fails when using multiple cables because this syntax will always try to read cable(1).cableNum, which is always 1, while the desired operation is to read cable(N).cableNum, which is always N.
This has been replaced with
'set_param(h,'Value', num2str(cable.bodyMass));'
for each the follower and the base drag body.
This is the only intended change. Tested on 2021b R1.