Forum | Thinking With Portals

#261 · May 19, 2008, 8:50 pm

Doomsday192 wrote:

Heres a scenario ive been thinking about

what if you took 2 portals, and made them facing the same direction, in the same location(not passing thru eachother, just in the same location) facing upwards and then dropped something into it from 10 ft up.
what would happen? and what would happen if said object was you?

Cooper wrote:

I've tried it ingame. Just put 2 portals next to each other on the ground, and drop an object in. They just fly up and down in the portals. The object can't collide with itself because there's only 1 object. Another copy of the object isn't magically brought into existance.

Anyways, try it on an unsuspecting turret. It's funny as hell.

Turret goes WAAAAHH!!

he didn't say side-by-side. he said LITERALLY occupieing the same space. this could only be done with hammer or something. since the game makes them bump away from each other.....

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#262 · May 19, 2008, 9:13 pm

yet another thing to make in a map!

*delves into hammer*

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#263 · May 19, 2008, 9:16 pm

The result of that is this i-think-i-broke-the-portals-t798.html?highlight=mirror

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#264 · May 19, 2008, 9:52 pm

oh, well saves me work i guess

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#265 · May 20, 2008, 5:27 am

but what happens if an item goes in it, or you do? (i want videos, or i might just try it for shizzles and gizzles)

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#266 · May 22, 2008, 4:27 pm

rellikpd wrote:

but what happens if an item goes in it, or you do? (i want videos, or i might just try it for shizzles and gizzles)

Depends on the portal technology. In Valve's Portal, stuff cannot collide with itself, so it just bounces back out (same thing as if the portals were not in the same spot). In Portalized, stuff can collide with itself, so you can't push something through a mirror portal unless it's small enough to fit in one side and come out the other side. Think about it - portal mirrors are not real mirrors where right is right and left is left - going into the right means you come out of the right of the other portal, which, if it is turned backwards, means you come out of the left.

#267 · May 22, 2008, 6:34 pm

Cooper wrote:

Something i noticed in regards to flinging yourself upwards in the last room in Testchamber 18. You place a portal on a platform, then jump through a portal on the bottom of a pit to fling yourself upwards. However, you enter the 1st portal feet first, so, according to common sense, you should come out the other end feet first, upside down. However, you come out headfirst, which shouldn't be physically possible.

Anyone care to elaborate on this, or are we gonna assume that Valve decided to screw the laws of physics a bit more to make vertical flinging easier.

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#268 · May 22, 2008, 7:14 pm

GLaDOS wrote:

As part of a previously mentioned required test protocal, we can no longer lie to you. We have broken the laws of physics. Again.

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#269 · May 22, 2008, 7:48 pm

I just seen Chell curling into a ball and uncurling in the other orientation. Divers do it all the time. It would be incredibly nauseating and disorienting and difficult to render, so they just skipped it. But I don't see it being physically impossible by any stretch.

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#270 · May 23, 2008, 5:32 am

Hober wrote:

I just seen Chell curling into a ball and uncurling in the other orientation. Divers do it all the time. It would be incredibly nauseating and disorienting and difficult to render, so they just skipped it. But I don't see it being physically impossible by any stretch.

Good point there. Case closed. NEXT!

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Speculation with portals