To delete a broadcast, just remove all the "broadcast ...", "broadcast ... and wait" and "when I receive ..." blocks that have the broadcast you want to delete showing. You could also just put a different broadcast in the block
The "broadcast ... and wait" block sends the broadcast, then waits until the all the scripts with that broadcast starting them have finished, before continuing the script. The "broadcast ..." block sends the broadcast, and the script continues. Hope this helps
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Just as Wolfie said: "broadcast ... and wait" is a good block for syncing the project ( keep everything moving at the same rate ).
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To build on what Magnie said, the "broadcast ..." block is good for sounds. If you used the other block, the script would have to wait until the sound finished executing the script under it.
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