#Sudden Changes In Mass/Buoyancy Flings Objects In Water

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teal karma
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Steps to replicate:

  1. Create a small raft from light material (such as balloon casings) in or over water
  2. Assemble raft
  3. Place a block or several blocks of extremely dense material (such as gold or netherite)
  4. Destroy the heavy block while the raft is submerged or partially submerged
Screenshot_1596.png
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turns out even something as common as cobblestone can trigger a fling

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I have replicated this using both default physics settings as well as some modified settings (such as no air pocket buoyancy)

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Also: it seems a change in net buoyancy is one of the more important factors in causing a fling underwater

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So it takes very little mass to fling single balloon casing in water, whereas a tremendous amount of mass change is required to fling something like a boat made of wood

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The gravitron could be a culprit as well, as it seems to change how blocks are affected by buoyant forces and therefore create a higher risk of flinging

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ok

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Interesting observation: placing a wooden pressure plate or trap door on a singular balloon casing entity causes it to bounce out of the water, gaining exponentially more velocity on each bounce until it vanishes

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Simply dropping a single balloon casing into water can cause it to fling

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I wonder if the body lift/drag feature might have something to do with it; I managed to get a glimpse of the balloon casing travel in a curved path before vanishing

fair field
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Water physics is really broken rn

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Noticed that a few things haven't been tested (just a notice. nothing much)

teal karma
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Turned off lift; fling still occurring

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it is probably not a contributing factor then

lilac hill
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Water is 1000kg dense

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Balloons are gonna have strange buoyancy

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But it shouldn’t be doing it on block update, it should just be bouncy from the start

teal karma
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it is

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also in my testing I have found that having a single cambered wing as its own physics entity and letting it fly also results in a fling

lilac hill
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I believe it also weighs like 10kg

teal karma
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travels in a loop and rapidly picks up speed

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50

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yea

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cambered wing perpetual motion machine

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(or flinger)

lilac hill