Draw an iceberg and see how it would float in water • Hacker News Board

Re: Draw an iceberg and see how it would float in water

#31

Post by thaumasiotes » Sat, Feb 20, 2021, 4:26 AM UTC

k_sze wrote: post #30

Hmm... what determines whether an iceberg would flip over? I tried drawing bowl-shaped icebergs, one upright and one upside-down. Both stayed in their general orientation without flipping over.

I suspect, based on nothing in particular, that one of those orientations is more stable than the other, but the demo doesn't provide enough turbulence to get from one to the other.

Re: Draw an iceberg and see how it would float in water

#32

Post by thaumasiotes » Sat, Feb 20, 2021, 4:27 AM UTC

tenken wrote: post #25

This appears to be trying to find the direction of the Normal Force on the center of mass..

It's trying to position the center of mass of the submerged ice directly below the center of mass of the entire iceberg.

Re: Draw an iceberg and see how it would float in water

#33

Post by Waterluvian » Sat, Feb 20, 2021, 4:30 AM UTC

pengwing wrote: post #22

Sidenote: Good demonstration that even in 2021 jQuery has its place as the right tool for the job: quickly hacking together a small project.

What parts of jquery in particular?

Re: Draw an iceberg and see how it would float in water

#34

Post by jzer0cool » Sat, Feb 20, 2021, 4:32 AM UTC

_kst_ wrote: post #9

I get interesting results if I draw a figure 8 (or a figure ∞). I wonder if it's treating one of the lobes as having negative density.

I draw an ice cream cone. First draw the ice cream like you would a cloud. Once connected then continue to draw the cone , such that you draw a V to connect to the ice cream.

It flys!

Re: Draw an iceberg and see how it would float in water

#35

Post by bjarneh » Sat, Feb 20, 2021, 4:41 AM UTC

pengwing wrote: post #22

Sidenote: Good demonstration that even in 2021 jQuery has its place as the right tool for the job: quickly hacking together a small project.

jquery is still a superb library, such a clever design.

Re: Draw an iceberg and see how it would float in water

#36

Post by peterburkimsher » Sat, Feb 20, 2021, 4:47 AM UTC

Draw a heart, and it's stable!

Re: Draw an iceberg and see how it would float in water

#37

Post by theflyinghorse » Sat, Feb 20, 2021, 4:49 AM UTC

Somehow I am wiling to bet that penis will be found to be the most commonly drawn shape.

Re: Draw an iceberg and see how it would float in water

#38

Post by frabjoused » Sat, Feb 20, 2021, 4:49 AM UTC

djrogers wrote: post #4

Whoa - cool. After 3 tries I got one that didn't move at all!

You can occasionally produce JS errors, and then all future icebergs won't move.

Re: Draw an iceberg and see how it would float in water

#39

Post by azinman2 » Sat, Feb 20, 2021, 5:00 AM UTC

pengwing wrote: post #22

Sidenote: Good demonstration that even in 2021 jQuery has its place as the right tool for the job: quickly hacking together a small project.

It doesn’t tell you what you’re doing or how to do it. It’s just a basic, flexible layer on top of the DOM and doesn’t try to be anything else. There should be more jQueries out there, for all fields.

Re: Draw an iceberg and see how it would float in water

#40

Post by aksss » Sat, Feb 20, 2021, 5:00 AM UTC

Hourglass shape behaves pretty cool - that is, two triangles joined at their points