Having a 50-50 chance apply to commands [duplicate]
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I'm creating a game and I need a fill command to have a 50-50 chance of opening one of two gates (Ex. This will be activated when a button is pressed to start game). The obvious choice would to use the @r selector, but I don't know how to apply this to a command block command.
I'm running 1.10.2 and this is only a two player game. (For me and a friend)
Best Answer
You can use a "random" number generator by periodically changing the value of a objctive on a fast redstone clock:
(First create the objetcive by /scoreboard objectives add FiftyFifty dummy)
/scoreboard objectives set @a FiftyFifty 0
/scoreboard objectives set @a FiftyFifty 1
So the FiftyFifty objective is 50% of the time equal to 1. To trigger your command, you need to constantly run this command (in a repeat command block):
/testfor @a[score_FiftyFifty_min=1]
And if this command returns true, ecexute your command (in a Chain command block)
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