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Tutorials/Rube Goldberg machine
A complex redstone device might not be every miner's cup of tea, but a giant chain reaction device can be a quite entertaining thing to build and test, and you can learn a lot from it. On this page are some ideas and tips that could make your RGM one to be noticed. Who knows, maybe you could become the Sprice of Minecraft!
- 1 Ideas
- 2 Using Minecraft as part of a machine
- 3 Tips and tricks
Ideas[edit | edit source]
Zombie Maze[edit | edit source]
Show off zombie path finding by making a small maze with a trapped villager at the end. Near the end, make the zombie step on a pressure plate.
Variation[edit | edit source]
Make one exposed to the sky so they burn, causing them to find shelter with pressure plates.
N-ice items![edit | edit source]
Droppers can be used to shoot items over ice that has water on top. Make an item slide onto a pressure plate that triggers another dropper to shoot more in a different direction. You can also use anvils to crush a mob, and make its drops fall into a comparatored hopper.
Yes you can-non[edit | edit source]
Sand and gravel cannons could shoot a block over to an area that has a powered repeater with a redstone dust missing. Once the block falls in place it will be electrified and will conduct power. You could also shoot mobs using pistons and slime blocks.
Greenstone[edit | edit source]
A neat type of wiring can be made with cactus, sand and torches. Place a cactus, add sand on top, add a torch in the sand, and place a sand on the torch. Right next to where the sand will fall, add another cactus. Rinse and repeat.
Bluestone[edit | edit source]
Water can knock out torches. Use a water device that knocks out a torch supporting sand/gravel, making it fall 2 blocks. This will continue the water flow.
Sandclock[edit | edit source]
A piston pushing a solid, gravity affected block (gravel or both sands) over a hole with a powered repeater on one side of the sand's destination before it falls and a line of repeaters on the other side can make some short pulses, and if a lot of the block is used can be used to unlock certain circuits. The powered repeater that transmits power though sand/gravel could be replaced with an observer block in the PE edition, as well as in Minecraft 1.11 or newer.
Pistone[edit | edit source]
Redstone blocks are a source of power, and we'll take advantage of that in this. Make a piston push a redstone block into the rear end of another piston that will push a redstone block into another piston. Also, you could place a piston where the redstone block originally was, so when the piston pushes it, piston 2 unpowers. You could make it a sticky piston that pulls a powered block away from another piston.
You could also replace the redstone blocks with opaque blocks with a torch below, or opaque blocks that gop between a powered repeater and the next piston. Slime blocks may also be used.
Oh, shoot.[edit | edit source]
Make a dispenser shoot an arrow/snowball/egg/potion/anything else that is shot as a projectile when put in a powered dispenser at a painting or item frame. This will knock it off onto a pressure plate/comparatored hopper, sending redstone signal to the next part of the contraption.
Sheep+Arrow=RedWool[edit | edit source]
Killing a mob with projectiles or an anvil making its treasure fall onto wood pressure plates and/or a comparatored hopper can be a funny way to add some depth into your complex device. The arrow can come from the Oh, shoot trick.
Variation[edit | edit source]
Dip the local snowman in water.
Hot Gravel[edit | edit source]
Placing a one tick piston, or a Liquid flow, that pushes away the torch in front of it that has gravel on top can be useful. On this gravel, there will be a torch on the side holding up another gravel, etc. You could even make a message with these, by stacking gravel and sand, to write something like "THANKS FOR WATCHING". This will not be visible when in its "torches" state, but when everything falls into place, everything falls into place.
♪[edit | edit source]
Why not add music into your Rube Goldberg devices? Get creative with note blocks! It doesn't stop there; things that make other noises (like droppers!) can sound quite melodic when mixed in with note blocks. And they could contain stuff in them to jump right into the N-ice items! trick. And shot arrows make a whole different sound. So you can leap straight into the Oh, shoot. Technique. Or you could go with the classic Sheep+Arrow=RedWool technique. Keep in mind pistons are melodic as well (carry on into Pistone) and so are doors (release the zombie into a maze!)
Mine-Blowing carts[edit | edit source]
You can make minecart rails with powered rails start them and detector rails to power other things in the RGM. You could use them with activator rails to transport mobs around the RGM. For example, you could make a zombie maze and put a minecart at the end. When the zombie gets in, it is moved quickly along the rails. It might then hit an activator rail and chase after another villager. The villager could have another minecart in front of it, continuing the cycle. You could also make minecarts knock other minecarts into powered rails, shooting them down the track.
Jumps[edit | edit source]
You could make the minecart jump over other minecart tracks or other objects to look cool.
Minecart Marble Run[edit | edit source]
You can use minecarts with redstone and detector rails to change the path for every minecart that uses the rail. Each should end up at a different destination, and all of them must be there to complete the circuit.
Source-ry[edit | edit source]
You probably had that terrible moment where you were building a sink bowl in a mob farm when all the water turned into sources. And then your keyboard found itself lodged halfway through the monitor. Well, you can still use the source trick as an RGM component. Make an almost-complete sink bowl, and then add a dispenser that will add water in the right way to turn the whole bit into a huge source. This will allow the water to wash away a sand-supporting torch on the other side.
It burns![edit | edit source]
You can light wood/wool on fire with a dispenser and a fire charge and have sand above the wood/wool fall once the block disappears, causing the sand to fall activating a redstone current. Be careful, you don't want to burn your creation down! This technique is risky, due to the chance the fire may not reach the block, however "checkpoints" (dispensers with fire charges in the middle of the fire track) may make such occurrences less likely.
Using Minecraft as part of a machine[edit | edit source]
Although great on their own, implementing Minecraft (or indeed, any other sandbox game which allows the construction of these machines) into a real life physical Rube Goldberg machine can add much more depth into both. Using an object heavy enough, such as a big marble, to activate a button which causes an action (for example, the mouse buttons), can achieve said effect. This can be seen in DoodleChaos's 23rd Rube Goldberg How to Kill a Creeper, where a block is broken and a creeper dies as a result of this.
With more hackery involved, since some microcontroller boards like Arduino Leonardo or Teensy can take virtually any signal, electronic or otherwise with sensors, as an input and emulate a keyboard and a mouse using its USB connection, you can program it to spam some commands if triggered by an external source.
In the Minecraft Pi Edition for Raspberry Pis, since the Raspberry Pi board is, just like aforementioned microcontroller boards, takes any signal as an input, and runs a special version of Minecraft that supports scripting using Python which is a full featured programming language, on a full-blown Linux distribution, more epicness can be achieved.
Omniversial[edit | edit source]
The aforementioned microcontroller board hacks can also be used with servers - this means you can connect your CMP or SMP world with the real world! Also the aforementioned Raspberry Pi can be used as a (albeit limiting) Minecraft server and the programming which is still driven by external sources, though not through that Python interface within the game directly, is still possible.
Tips and tricks[edit | edit source]
- On the console edition, you can exit without saving after testing the RGM so you don't need to reset it.
- Make backup copies on the PC version by copying level folder.
- You can reset a RGM machine with the /clone command, a copy of the RGM machine, and command blocks. You could also use the new structure blocks.