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By the way, how much space is that move change saving? I think Sheldor said 2 bytes.
An alternative that might perform better (can't say for sure, you would have to benchmark it) would be to use the old move, but change the "... - (1.1 - 1e-8) ) <= 1)" to "... - 1) <= 2)".
This is slightly less accurate as the energy detect is .001..3.999 rather than .001..3.001, but it could work better.
You would also need to update the rand chance to be "4 / 0.6*Math.sqrt(..." rather than "3.0/(0.6*Math.sqrt(.." to account for the wider window.