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Infinite Water Container

screenshot of the scene

Author: Xray

Group: Default

Filesize: 58.22 kB

Date added: 2014-03-14

Rating: 5

Downloads: 2653

Views: 351

Comments: 8

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0


Scene tag

I made a tall and skinny maze with my Maze Generator scene. While looking at the maze, I wondered what would happen if I poured water into the maze. So, I made a funnel at the top (input), and I sealed the output so that the water would fill the entire maze. I then created a large box inside the funnel and liquefied it. To my amazement, all of the water completely filled the maze, and then as I added more water, it continued to pour into the maze even while it looked to be nearly full! No matter how much water I pour into this unusual container, it just never completely fills up!

NOTE: I currently have the sim frequency set to 150Hz. If I set it much lower, the scene runs faster but the water spills past the boundaries of the maze (as if the maze had holes in it). If I set the sim frequency much higher, then the scene runs so slowly that it's almost like watching grass grow.

If anyone can explain what's happening here, please leave a comment.

Last edited at 2014/03/15 19:01:29 by Xray
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Easy. Water tends to disappear when it is exposed to the air too long (or when surrounded by a lot of boxes or polygons.) I will upload an example of this.
Phil ---

Exposed to air? :huh: Are you serious? :bonk:

If you truly are serious, then yes I would like to see another example of this and hopefully a good explanation. :)
Edit: It happens when a lot of water is present. I don't know why, it just does. In your scene, it seems to be very obvious. I guess it is Algodoo's way of making water "evaporate". I tried to get a good example of this in a scene, but it does not seem to want to work for me :lol: Watching it evaporate in my attempts is like watching grass grow. So, I hope my explanation helped! :coolgrin: It seemed to happen a lot in Phun
Well, thanks for looking into it anyways. I've never used Phun, and so I don't know how it used to operate. I do know that Algodoo does have some limitations when it tries to emulate some basic physical properties, and water is one of the physical materials that is very computationally intensive. If a scene has a lot of water, it will also have a lot of LAG! But water evaporating? I find that hard to believe, especially in the time scale that we are looking at. Water typically takes a long time to evaporate, but in this scene, it seems to be oozing out of a hole some place! And that just might be what is happening. We cannot see it, but the water may be disappearing simply because Algodoo cannot keep up with what is going on. That is, water pouring into a complex container, and the math is trying to deal with it at a high rate of speed. Because it cannot keep up, it simply makes the water "go away" or disappear. I'm just guessing at this point, so I hope someone else either agrees with me, or has a better, more logical answer. :)
No, no and no! Water cannot be set to be immortal. But, the maze generator's interface is the killer! You really need to improve the generator that the maze disappears after pressing Return (Enter on the keyboard, not numpad).

EDIT - Ooooooh, the killer is the box for explanation!
Last edited at 2014/03/15 12:40:07 by Luka
I know what's happening. I suspect you may also know.

Edit: Oops! I see Luka already figured this out.
Last edited at 2014/03/15 12:39:15 by s_noonan
Okay, now I see what's causing the problem! :bonk:

I will describe what's happening in plane, verbose English: In the area where the water appears to "avoid" it, you can see the entire maze generator interface (as Luka pointed out). But the entire interface is extremely small, and so you have to zoom in to that area in order to see it. Even after zooming in, the interface geometries are still very small. The box that contains the text which explains what the generator is all about is the culprit. The box's attribute was set to "killer", which deleted any water that came in contact with it. After I deleted the entire generator interface and ran the scene again, then the entire maze filled with water, and the remaining water in the funnel stopped flowing out of it.

Luka was right about what caused the problem but he made a mistake in describing the solution. He said that the maze should disappear after pressing Return, but I'm sure that he meant that the maze generator interface should disappear. I think that all I need to do is to remove the "killer" attribute from that text box, and the problem will be resolved.

Thanks guys for all your help! :tup:
:lol: I completly didn't saw that I made that mistake! Yup, I meant the maze generator.:lol::lol::lol: