シャドーイング練習: Overengineering Ceiling Fans in Minecraft - 動画で英語スピーキングを学ぶ

3, 2, 1, and it's on.

Wow, okay, that's crazy, all right.

This is a ceiling fan made by a YouTuber called Pewtron in this video.

And instantly, I knew I just had to make that using redstone.

But how would that even be possible?

Like, how can you move fan blades below the ceiling without it looking, well, horrendous?

And can you actually make it look as smooth as a real ceiling fan?

Well, after weeks of trial and error, I think I finally made a design that is as close to perfect as you can get with Vanilla Redstone.

Yeah, I'm gonna be going through the process of how I made each one of the designs, and at the end, you will see the newest design.

Alright, perfect.

Alright, so this is the design I wanted to build.

Like, if I could make something like this, I would be happy with that.

It's not as flashy as your design.

Yours was, like, 5 white.

Yeah, yeah.

And this is just, like, a 3x3.

No, it's still really impressive, yeah.

But there is an immediate problem because how are you supposed to move these fan blades?

You could use pistons like this to move them around.

But uh, yeah, it's kind of ugly.

Right, right, because you would see the piston heads behind the drive there, yeah.

And I don't think many real ceiling fans have giant pistons moving the fan blades.

That's true, yeah.

And so there are two blocks in the game that can be used to circumvent this.

Do you happen to know what those are?

I'd say it's slime blocks and honey blocks, no?

Exactly.

All right.

Using this kind of setup, I could move the honey blocks above the ceiling and have the fan plate right here.

It looks kind of cursed because there's this big gap right here.

Yeah, yeah, yeah.

It's cool that you have, like, the gap in between it.

It's not, like, sticking to it yet.

It still, like, moves the trapdoor.

Yeah, I wanted to simulate what it would look like in real life.

Oh, yeah, of course.

This was the best solution.

And so, with that, I made this layout right here.

Basically, what it is is just a piston feed tape.

So, basically, you have four pistons in each of the corners and you have, like, one to three blocks missing from the corners.

So, you can actually move them around.

All right.

Just by towering these pistons, I could make the slime and honey blocks move, which also makes the fan blades move.

Okay, that's awesome.

That's actually really cool, yeah.

But as you may have seen, I've also color-coded these pistons or like the activations for them.

So I have these blue ones and then these yellow ones.

Right.

And what we can do is we can power the blue ones at the same time.

So the blue ones powered and then we can power the yellow ones.

Like that.

Blue ones, yellow ones, blue ones, yellow ones.

Right.

So it's pins at the same time on like both sides basically yeah yeah meaning

that i can just have one input line to connect these blue pistons

and these yellow pistons and just pulse them one after the other

and to do that i made this clock

if i turn this lever off okay oh my god you

can see it does a pulse on the yellow side on the blue one yellow blue yellow blue

and at full speed it goes pretty fast oh my god

that's insane that's actually insane i've never seen something like this

i can't lie it's actually crazy okay all right i i was aware

that the block state of the leaves change

when they come like closer that's like the only thing i understand here

but then this is like so fast okay using this clock

and that layout and sequence i made version 1.0 all right

and this one you've seen before i have yeah this looks

still it looks really cool yeah you can see like the technical parts behind it

which on one hand it looks cursed but on the other hand it looks cool because you can see how it works.

I wasn't too happy with this yet because of two problems.

First one is that you can see everything that is going on, even the slime and honey moving around.

But the second one is the animation because if we look at it closely, you can see it moves like one, two, skip, one, two, skip.

Oh, okay.

So it's not as smooth as possible.

Oh yeah, it's not like at the same speed I see.

I did fix or I tried fixing the fact

that it looks ugly by using iron blocks for the fan plates having trap doors on the slime

and honey blocks that i'm not using to move the fan plates i see it's not perfect

but i think it looks a bit nicer yeah i agree

there was still a lot of room for improvement the next thing i tried to fix is the speed

because i did not like the animation all right and so

that is why i opted to use two slimer honey blocks okay

and something like this almost works

so we can do this for move one then this for move two

but But now we need to move these honey blocks this one like that way and this one that way.

Right.

But let me try it

okay it messes up the pistons i see all right yep it doesn't work

but fortunately i found out a pretty easy way to fix

that all right and that is by using this layout right here

so basically what we can do is the same sequence

so it's one two and then we can swap out the pistons

that we don't want to use so basically the ones we just use

and swap in the pistons

that we want to use by powering this line above oh

my god okay it's one two swap one two swap okay

that is so creative that's actually insane that's

so cool i was pretty proud of

that yeah this is actually like not gonna lie that's impressive

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i would not like think of something like this it's actually really cool

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that you like swap the entire like design but yeah

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that was a very easy sequence to do that

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but i made it Even simpler because I made this line that powers all of the pistons in the bottom state.

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All right.

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And because we swap out the pistons that we don't want to power, we can do two pulses to the bottom pistons and then swap out the pistons.

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One, two, swap.

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One, two, swap.

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One, two, swap.

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That's insane.

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Like, this is crazy.

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If we're such like a simple fan, basically, there is like so much stuff going on behind the scenes.

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That's actually really cool.

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I mean, like, it's not simple with redstone, I mean, right?

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but for me it was really simple to make this

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but it's cool to see

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that to actually make it with redstone you need to use

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way more like powerful tricks basically for me it's basically magic

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because like i have no idea how i would make this

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but it's like really cool

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that you found out the solution to like actually swap all of the pistons like solve the problem

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that way i would have no idea how to do your

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fan with command blocks i would just i would not know

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where to even start i'm gonna be honest all right trust

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me it's way simpler than this yeah then the way i

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power these pistons is for moving the fan blades i use this clock

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if you think the clock i showed you before was fast

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then just look at this oh my god okay all right

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okay that's crazy all right this is what is called a three game tick clock

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but to say zero tick pulls every three game ticks for

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0.15 seconds oh my god yeah it's pretty fast that's probably

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as fast as you get right like yeah you can't clock

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a piston faster than this this is the max speed insane

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that doesn't look real so i use this to power pistons

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that move the fan plates and then to swap out the pistons I use this clock which is just a bit slower.

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Oh yeah.

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This clock powers every 0.3 seconds

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and the other one every 0.15 seconds meaning it will do

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two moves of the faster clock where it does one move of the slower clock.

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Oh yeah that makes sense yeah.

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And so putting all of this together, the layout, the fast clock and the slow clock, we get version 2.0.

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Oh okay that's way faster.

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Look at that.

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Oh that's way better it's a lot faster

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and the animation is smoother as well that's actually cool that's like really nice

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so look at the pistons moving in

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and out oh yeah that's like i love the like the idea behind it i still like haven't completely comprehended

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that but like yeah so cool

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but there is one big problem you can't really stop it okay you can stop it without it breaking

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but the honey blocks can move to like the wrong place

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okay update from the future i did make a fixed version

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that turns off reliably and you can find that in the world download

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and let's make a deal i give you the world download for completely free

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and you subscribe all right thanks

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but okay this is where you came in i had shown you these two designs right

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and you showed me this kind of ceiling fan working with

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command blocks yes yeah that's true i do i do yeah

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and admittedly it does look a lot nicer as in you can't see any redstone

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so uh yeah i decided to give this a go also and this is the layout that I came up with.

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Basically what it is is only two piston feet tapes.

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I think I do kind of understand.

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First we do two moves of the yellow feet tape.

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We do this and then we power this right and do this and there is one movement of the yellow feet tape.

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Okay.

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And then we do another one like that, that and that.

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Okay.

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And now it has moved two blocks with the yellow feet tape

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and And then we do two moves of the blue feed tape.

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So it's one...

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like that.

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And then it moves again.

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Okay, that does make sense.

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That's actually cool though.

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It just switches between the two feed tapes basically.

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Mm-hmm.

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Now this is not per se, but you need a quite a lot of precise timings to make this work.

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There is a lot of zero tick chaining and double pulses and stuff like that.

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If you come over here, we can see version 3.0.

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Okay, that's much bigger.

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It's a little bit more complicated than the other ones.

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There aren't that many cool tricks you can use to make this simpler.

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Alright, but still for me, seeing rails used as like a redstone component is mind-blowing okay now for the animation

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and yeah this is i think by far the cleanest yeah that's

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so nice that looks so good all right yeah the thing with like redstone

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and command blocks for me uh i only can make it

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snap to a block right like i have full blocks

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but the redstone like the pistons push it that way

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that it actually has an animation

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if you like know what i mean yeah yeah it's sometimes

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it's like in the middle of the block i can't like

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get it to look this smooth only with like blocks i could like use entities

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but it would be made like way more complicated this is

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so cool i appreciate it i appreciate it you can technically see a bit of redstone

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if you like look at it from a specific angle

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but like it's a ceiling fan yeah in most cases you

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can't see any redstone it's not like you're going to be up here like you know inspecting the redstone

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so yeah that would be dangerous you don't want to hit your head exactly

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but i also figured out you could have like these iron trap doors like this

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if you wanted to oh yeah

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that makes sense it's still like in the same block with the slabs

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so yeah that's cool and also

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if you want to see the feed tapes working you can

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see kind of how they work yo okay that's cool there's a lot of movement going on

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but you can't really see it this looks like awesome only

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like this also looks super cool the fan looks insane

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but this also looks really cool to see it like without

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the cover of the dark oak draptors basically dude just wait

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for the last one okay it's gonna be insane i'm getting excited all right

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but okay i very much like this design and I think it looks the cleanest by far, but still I did kind of want to have the fan placed below the ceiling like this.

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I see, yeah.

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And I thought a compromise would be to have like only two Slimer Honey blocks in the ceiling

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and the other blocks be like whatever block you want.

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Right, right.

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And I also switched to spruce because I think it looks nicer.

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It's a lighter color instead of the dark oak, so I thought it would look nicer with the Honey blocks.

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Yeah, with the Honey block there is like less contrast between it, yeah.

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Now this layout took me so goddamn long to figure out.

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It took me like a week to figure out.

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Oh my god.

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And it's so stupid because it's not even that complicated.

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It's always the simplest stuff that takes the longest to figure out.

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The way this works, we want to move these honey blocks in a way where these blocks are like non-sticky.

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Uh-huh.

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And the way we do that is by pushing them.

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Because when you push blocks, honey won't actually stick to them.

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Alright, I know that, yes.

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So, what we do for the middle blocks is pretty easy.

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We just have these sliders going back and forth like this.

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Okay.

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And then on the other side, we just have another slider right here.

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Right.

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And then we still need to have feed tapes to actually move the blocks around when we push the honey.

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And the way we do that is by using these feed tapes marked out by the blue and yellow.

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All right.

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So basically, right now, we want to move this honey this way.

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So what we do to make these blocks non-sticky is we move this piston.

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Now, these blocks are moving, and these would be moved by the sliders, which lets us power this at the same time.

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All right.

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I can't really showcase that here

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because you need to have everything moving at the same time

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but yeah no i understand that yeah

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so it like doesn't stick yeah i get

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that yeah again we do two moves of the blue feed tape

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when the honey blocks are like this we do two moves of the yellow feed tape

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so basically the same idea that was in the last one okay

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and so a few tricks i used to make this easier is this

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because like we need to move this piston first

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or these blocks first because we cannot move this honey right now so I need to move this first and this second.

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Now I realized that I could do it with one pulse

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because I could power this piston immediately and this piston with block event delay.

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I'm not gonna explain fully what that means, but basically just think about it and it happens at the same time, but it's scheduled later by the game.

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Like the game processes this piston later.

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Now if we had it like this...

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Oh, what the f*?

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Oh, that is unreliable.

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Okay, let's cut that.

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Let's go.

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We power this piston first and power this later with Brock Event Delay.

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Right.

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And as you can see, that all works with just one pulse.

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Okay.

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And then we move this here and this here and we can do that again.

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Oh yeah.

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Alright.

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And then, because we want to do two moves of the blue feed tape and two moves of the yellow feed tape, we use this kind of toggle mechanism.

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Right.

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If I just turn on this clock, which the fan also uses.

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Oh, okay.

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We can see, if you look at these pistons right here, it does two pulses of one side, and then it switches.

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Oh yeah.

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Oh yeah.

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So it's one, two, one, two, one, two, one, two.

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Oh yeah, I see it.

273

Yeah, alright.

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Having an observo like this does that just perfectly.

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Okay.

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Which is very convenient.

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Very cool.

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That's a way we can only use one clock to power all of the necessary pistons.

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We don't need two clocks, for example.

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Okay.

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And then another trick I used.

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Okay, this gets a bit complicated, but this is the way I make it so you can turn the fan off without breaking it.

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Mhm.

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It's not doing much, but it is crucial for this to work.

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Basically what it does is it's powering these 3-tick repeaters back and forth in a way that this piston stays powered.

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And that is what we used to activate the clock.

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This does a 12-game tick loop.

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So this is 6-game ticks and this is 6-game ticks.

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So when I turn this off, they both have to do the full loop where it does a 12-game tick pulse.

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So it's like predictable when it pulls down, like the piston.

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Yeah, exactly.

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So it does like the full 12-game tick loop, which is exactly the time it takes to do 4 moves of the fan.

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I see.

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Yeah, by using this, we can make sure it turns off at the right time after

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that 12 game ticks or 4 moves.

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Okay.

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It's a bit complicated, but I'm actually very proud of this also.

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It took quite a long to figure out.

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Oh, yeah.

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And putting all of this together, we get version 4.0.

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The one you haven't seen.

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All right.

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Okay, it looks really cool already.

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Three, two, one.

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Whoa.

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And it's on.

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Whoa, that actually looks so much better with the trap doors.

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This is sick.

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I love it.

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Honestly, like, this looks so cool.

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Not that I would like understand much of this happening up here, but the thing that's going down, you know, That's the thing that's rotating down here looks awesome.

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So that's all that matters You don't even like see the little gap like you did with the previous version.

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So this is also really cool The only ugly thing you see is the honey like you see nothing else Right, but you know, it's part of the magic.

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So why not?

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But that's not all I figured out

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that you can have a 5x5 area like this and this also looks pretty insane It looks way better with yeah.

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Yeah.

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Okay.

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Oh, wow Just look at all of those blocks moving.

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Oh yeah, that actually adds to it.

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That's so cool.

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And this way you can have like slabs instead for example.

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Because you have like more of an area around the fan.

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So you can have like more of an indent right here.

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So it doesn't look as bad.

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So you have more choices for block pallets.

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Yeah, you can actually like use it in build and stuff.

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And I also made this for example.

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So you can have like yellow blocks.

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Like a factory for example.

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Oh yeah, so it doesn't like, you know, the honey doesn't stand out as much.

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Yeah, exactly.

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Okay, okay.

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And if you want to go like fully seamless, like if you don't want to see any honey, you can of course just use full blocks like this.

335

Okay, wait one question, would slabs work?

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Uh, yeah.

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I think those might look better as the blades.

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Okay, that still looks really cool.

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And now you don't see any honey either.

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Yep, it's fully seamless.

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That looks awesome.

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I appreciate it.

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I'm pretty proud of this one.

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This actually looks so good.

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I had no idea that like someone watching

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that video with my little small fan on the ceiling would make something this cool.

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But now, see what it looks like without the ceiling.

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And this, you're gonna wanna sit down for this.

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Okay.

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Oh, oh my god, that's like a piece of art.

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It's just like everything moving in synchronization.

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That's so cool.

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All of that for one ceiling fan.

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Yeah, exactly.

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Think about it.

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Exactly.

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At this point, you are better off without the ceiling fan.

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Imagine all the fans in real life would have this large of a system behind them.

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It's the size of a house.

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Like literally.

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You need like a big house to actually fit this in, but...

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You know, it might be worth it.

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Like build a mansion for your ceiling fan.

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If I did survival, I would definitely build this.

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Yeah.

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Not even gonna lie.

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And when you're standing down here, you don't even hear it, so...

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I actually have a mod that makes pistons louder and like...

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You can hear them from the way.

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Okay, alright, alright.

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I can very much hear it, but...

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I can't, I can't hear it here.

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Honestly, insane job.

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Like, this is all so cool.

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Like all of the designs, even the previous ones, and this one is just like...

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A cherry on top.

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Okay, bye.

✨ おすすめ動画

550 文

このレッスンの語彙とスピーキングのポイント

このB1レベルのスピーキングレッスンは、動画「Overengineering Ceiling Fans in Minecraft」を教材にしています。繰り返し出てくる語は次のとおりです：block, piston, fan, cool, honey。この動画には、シャドーイング用の文が377文、単語が3696語あります。音声の長さは16:49です。話す速さは速く、1分あたり約220語です。音のつながりや弱く発音される音が多くなります。単語の85%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。

この動画の重要語彙

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語	発音	意味
piston 名詞	/ˈpɪstən/	ピストン, 活塞
ceiling 名詞	/ˈsilɪŋ/	天井
swap 動詞	/ˈswɑp/	取り替える, 交換する
tick 名詞	/tɪk/	だに, ごさらぎ
pulse 名詞	/pʌls/	脈, 脈搏
layout 名詞	/ˈleɪ.aʊt/	レイアウト, 設計
blade 名詞	/bleɪd/	刃, ブレード
animation 名詞	/ˌæn.ɪˈmeɪ.ʃən/	アニメーション, アニメ
slime 名詞	/slaɪm/	ヘドロ
slab 名詞	/slæb/	平板, スラブ
loop 名詞	/luːp/	ループ
trap 名詞	/tɹæp/	罠
sticky 形容詞	/ˈstɪki/	粘着性のある, 粘り気のある
whoa	/woʊ/	どう, どうどう
curse 名詞	/kɝs/	呪い, 呪縛

動画に出てくる句動詞

単語	意味
find out 動詞	見出す, 調べる
come over 動詞	遣って来る
go back 動詞	戻る, 帰る
go down 動詞	降りる, 降下する
pull down 動詞	引き下げる
turn off 動詞	消す, 切る

繰り返し練習したい文

動画に出てくる短く完結した文です。日常会話でそのまま使えます。

It's not as flashy as your design.
Do you happen to know what those are?
I'd say it's slime blocks and honey blocks, no?
We don't need two clocks, for example.
The one you haven't seen.

この動画の文法

話し手がよく使っている文型を、動画の実際の表現とともに紹介します。

文型	動画での表現
条件文 if + 節, will/would + 動詞 — 条件とその結果	If I did survival, I would definitely
「used to」 used to + 動詞 — 今はもう違う過去の習慣や状態	used to make · used to activate
現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している	i've never seen · you've seen · has moved
受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる	is called · would be made · would be moved

注意したい発音

話し手はcan't, don't, gonnaなど、短縮形や弱形を53回使っています。聞こえたとおりの短い形で発音しましょう。

「sh」と「zh」の音: animation /ˌæn.ɪˈmeɪ.ʃən/, flashy /ˈflæʃi/, activation /ˌæktəˈveɪʃən/, showcase /ˈʃoʊˌkeɪs/, mansion /ˈmæn.ʃən/
長い単語（アクセントの位置に注意）: animation /ˌæn.ɪˈmeɪ.ʃən/, unreliable /ˌʌn.ɹəˈlaɪ.ə.bəl/, predictable /pɹəˈdɪktəbləl/, activation /ˌæktəˈveɪʃən/, fortunately /ˈfɔɹ.t͡ʃə.nɪt.li/

日本語話者が苦手な音：

/r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: unreliable /ˌʌn.ɹəˈlaɪ.ə.bəl/, predictable /pɹəˈdɪktəbləl/, fortunately /ˈfɔɹ.t͡ʃə.nɪt.li/, crucial /ˈkɹuː.ʃəl/
/v/ — /b/ にならないように、上の歯を下唇に当てる: circumvent /səːkəmˈvɛnt/, lever /ˈliː.və/, activate /ˈæktɪˌveɪt/, activation /ˌæktəˈveɪʃən/, convenient /kənˈviː.niənt/
/f/ — 「フ」ではなく、上の歯と下唇で出す: flashy /ˈflæʃi/, fortunately /ˈfɔɹ.t͡ʃə.nɪt.li/, fixing /ˈfɪksɪŋ/, leaf /lif/

この動画での練習方法

まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
まず0.75倍速で一文ずつシャドーイングし、慣れてきたら通常の速度に戻します。
自分の声を録音して元の音声と比べます。piston, ceiling, swapなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →

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シャドーイングとは？英語上達に効果的な理由