In minecraft using red stone.
How to make a tripwire retracting floor in minecraft.
Pistons push the gravel up and also the fences.
In minecraft using red stone.
No buttons levers or pressure plates are needed.
Then all you need is another set of pistons above to push the fences back down.
Placement to place a tripwire hook use the place block control.
A tripwire hook can be used to detect mobs items and other entities over a large area.
I use redstone torches under the floor and repeater.
I use redstone torches under the floor and repeaters to make the floor retract then i use 2 pistons on the side to pull the piston and floor block into the wall.
A straight line of blocks consisting of a block with a tripwire hook attached to it a tripwire line 1 to 40 blocks of tripwire and a second tripwire.
In this video ill show you one of my attempts to make a disappearing floor.
A step by step guide showing you how to create a tripwire activated floor trap.
Gravel falls back down creating an opening.
What i do is iron fences from the ceiling and 1x2 of gravel in the floor.
Updated version of this video how to make a floor trap updated link here.