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Block Combinations One-way descending/ascending of bots

Discussion in 'Game Behaviours' started by Br0K3N, Aug 17, 2021.

  1. Br0K3N

    Br0K3N Famous Member

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    I decided to make a thread about the block combination I used in my recent level. I am sure someone found this combination way before, but I couldn't find any threads about this combination of blocks, so I decided to create this thread.

    Here is the demo of the block combination:
    IMG_20210818_133626_863.jpg
    In order for it to work it is absolutely necessary for the block that touches the rails and the block that B steps on to be half-pillars. I suspect that this combination works thanks to the height difference between usual blocks and half-pillars.

    The main feature of this block combination is that it lets B descend one layer down, but B won't be able to ascend back up. However, other bots treat it just like a usual block and don't descend down from it.

    To descend down you first need to step on the metal half-pillar. After that you will be able to step on the lower layer, but the higher one will become inacessible. However, if B doesn't stop on the half-pillar, it will treat it like a usual block. You can test this by making B go from one brick block to another.
     
    Last edited: Aug 18, 2021
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  2. Br0K3N

    Br0K3N Famous Member

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    I am curious to know if anyone found this block combination before. I would like to start a conversation about this block combination and those that are similar, if they exist. I think it is an interesting feature that opens many possibilities for creating small, but complex logic levels.
     
  3. MekaSage

    MekaSage Famous Member

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    @Br0K3N - thank you for the explanation. I tried clicking your link to the demo, but Facebook wouldn't let view the link.
     
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  4. MekaSage

    MekaSage Famous Member

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    There's a similar behavior when a ball rests on wedge that's one level down from B. B can step onto the ball, then step from the ball to the lower level, but can't go back up.
     
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  5. mastersifu

    mastersifu Well-Known Member

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    Me too.

    The easiest block configurations that I've seen so far which let B descend one block is just one single slider. Tap the slider, B's body will sink into it and then tap the lower ground. In this case, R/L can't descend.

    There's one thing that sprang to my mind about ascending - A ball on a zapper or an eye. It's a one-way ascent for R/L. Not really relevant to this thread but I think I'll just share it out.
     
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  6. MekaSage

    MekaSage Famous Member

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    I didn't know that one. That's useful!

    So far we have:
    [​IMG]
     
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  7. mastersifu

    mastersifu Well-Known Member

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    Here's the ultimate collection of descending move by retrograde
    Descent Demo v3
    Both the metal half pillar descent and ball-on-wedge descent aren't included in it. So they're new discoveries!
     
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  8. Br0K3N

    Br0K3N Famous Member

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    Wow! I didn't know there's that many ways to descend down. It's awesome that there are still more of them to explore.
     
  9. Br0K3N

    Br0K3N Famous Member

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    I thnk this thread can be about both descension and ascension of any bots, so thank you for sharing!
     
  10. Br0K3N

    Br0K3N Famous Member

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    Great demo! I still didn't figure out how to put images in my comments, so I apologize for the facebook link that doesn't work. I will update the first comment as soon as I figure it out.
     
  11. Br0K3N

    Br0K3N Famous Member

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    Changed the title to include both ascending and descending.
     
    Last edited: Aug 18, 2021
  12. MekaSage

    MekaSage Famous Member

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    I learned some new techniques from this as well. Thanks for linking to it, @mastersifu .
     
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  13. MekaSage

    MekaSage Famous Member

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  14. MekaSage

    MekaSage Famous Member

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    @Denis Nazin recently posted about a one-way descending mechanism using a stair and a wedge on his level Palace Sensor. I then saw a similar one-way step down in @Downy Ji's level Country Road, but this one used a stair and a half column. It made me wonder about other blocks that would work for this technique, so I created the demo below.
    The timing is a little challenging. First, tap on the nearest stair. As B comes to a stop, B will briefly step one foot on the object beyond the stair before becoming steady. Tap on the level below at the same time that B temporarily steps forward.

    I'm not sure if this is a known behavior. It may be a special case of the Side Stair Step or the Squat Drop.

    UPDATE:
    I think this is actually a special case of the Squat Drop. Rather than the method I originally listed, do the following. Tap on the nearest stair. As B is coming to a stop, B's eye will briefly dip down lower than normal. As B's eye is lowered, tap on the level below.

    Let me know what you think.
    Step Downs v2.png
     

    Attached Files:

    Last edited: Nov 9, 2021
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  15. Denis Nazin

    Denis Nazin Famous Member

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    You asked what I think about it. I think - that you are a great fellow! You are an excellent researcher! This is a cool demo. And I also think that this is an interesting level that needs to be laid out with a description in the general feed of levels. Because it's cool! And at your level, all players can learn to do it. Thanks!
     
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  16. Labyrenight

    Labyrenight Famous Member

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    Actually I often do it when looking for shortcuts. The last time I did it in the Hold to Freeze level, unfortunately @mastersifu didn't allow autopilot, so the shortcut failed :oops:
     
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  17. Labyrenight

    Labyrenight Famous Member

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    @MekaSage what about the rail, eye? or wedge in a different position (upside down for example).
     
  18. mastersifu

    mastersifu Well-Known Member

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    It's not I didn't allow autopilots, I just don't so prefer autopilots. Feel free to use it in any levels.

    @MekaSage I downloaded the card and tried myself. It's even harder to execute compared to in @Denis Nazin Palace sensor.
     
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  19. Labyrenight

    Labyrenight Famous Member

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    right, wedge is easier.
     
  20. MekaSage

    MekaSage Famous Member

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    You can make it work with eyes and rails and upside-down wedges, but some are more difficult than others (see demo below). I found a perpendicular rail the most difficult, which is why I put it on the back side of the demo as an alternate path.

    For some of them, like the eye, it's easier to do a move like the alternate Squat Drop that I mentioned here.

    For the perpendicular rail, the best method I found is a momentum move I've seen before, but don't know if it has a name. Place B on one of the sets of stairs. Tap the block 2 blocks behind B, then just as B starts to cross the boundary of the block you tapped, tap the stairs again. B will reverse quickly then slightly overstep the stairs, at which point you tap the level below. The timing is challenging.

    Here's the updated demo:
    Step Downs v3.png
     
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