How were the portals in Portal Game created?

[@Proghix]

Dude, this is amazing! So well explained, so well thought! Awesome work and awesome video, love it! :)

[@unityin1minute962]

Thanks a ton!

[@johadelet4826]

Always wondered how they made this work, i thought the game rendered a new room everytime

[@MystCraft24]

i thought of it too but then i thought no way it could do that, the amount of lag while doing portal jumps would be insane

[@hubertblainewolfeschelgels5295]

Great video! I think I like your explanation a bit better than the other videos on KZbin. Keep it up!

[@jmispace]

Very well done! Very clearly broken down and explained, issue by issue!

[@unityin1minute962]

Thanks, glad it was helpful

[@369Sigma]

Good explanation. Crazy to think such a seemingly magical effect is just a bunch of camera and collision tricks

[@lucii5022]

This video is a really big help, and the way you explained it was amazing. Thank you! :D

[@unityin1minute962]

I will upload the source code soon, just re-organizing the codes a bit :)

[@saltix0]

I'm currently trying to make a VR game with portals so seeing the non-VR implementation would really help!

[@ronen6206]

Will we need to set something other than the script (like a Shader)

[@unityin1minute962]

Yes, you will have to set up shader in order for the camera to render only part of the whole frame :)

[@itay7884]

@@unityin1minute962 Will you give us the shader?

[@unityin1minute962]

@@itay7884 Yes, very soon. I am a bit busy so that's why I have not uploaded the project yet :)

[@matthewvarpness8765]

Amazing video and really well explained! Thank you for sharing your knowledge and experience!

[@joshuaokokpujie1521]

I love this so much. I was stuck when it came to creating a portal like that, it just didn't make sense until i cam across your video. It is helping me create a portal step by step, thanks c:

[@davids3282]

Really liked this video. Good job!

[@unityin1minute962]

Thank you :)

[@Seestral]

i'm still learning so I don't understand the code perfectly but this was a very interesting watch

[@unityin1minute962]

Thanks. Once you will get used to unity and game dev related coding, then it's not very difficult to do :)

[@RivenbladeS]

I wish you showed us the clipping of the whole screen to a small rectangle, the math behind or shaders

[@kjIbacon]

I always thought it was a complicated mechanic. When it was actually a series of simple mechanics that was sewn together which resulted to that seamless outcome. The problem solving skills of devs are really amazing in this regard. Truly masters of deception, in a sense. Hahaha

[@Dallas4090]

This just blew my mind. Fuck.

[@yarriksauker993]

thank you so much, this video made me able to build a tardis

[@3KLANGMUSIC]

There is a mistake at 1:10. You described your code implementation as if the portal-cameras rotation angle depends on the players relative angle to the normal vector of the portal, but actually you implemented it in the way, that the portal-cameras rotation angle depends on the player-cameras rotation angle.

[@fallenhoenix1255]

Wonderful tutorial! Thank you for the dot product explanation too... But one gaping hole in my understanding is how to handle collisions. Is the portal offset from the wall? Is there some sort of masking wizardry going on here??

[@birdlegscass]

anything in contact with the portal should ignore the collision of the wall and instead respect a rectangle of collision surrounding the portal

[@MrMinticuz]

Really good tutorial. Do you know how the collision of the wall is altered depending on the portal position? You can’t walk through a wall, but when there is a portal there, there is no collision in that specific area. Any idea how that is achieved?

[@unityin1minute962]

There is a trigger right in front of the portal which moves the player from one part of the portal to the other. So, when the player moves towards the portal, it never collides with the wall collider because the player hits the trigger first and then the position of the player is changed to the other part of the portal in a smooth way. So it seems that the player is crossing the portal through a hollow wall but in reality, trigger is changing the position of the player to the other part of the portal smoothly.

[@MrMinticuz]

@@unityin1minute962 oh, hmm. That’s cool, but I get the triggers moving the player position when the player has moved halfway through the portal, but you can’t do that incrementally. So I still don’t get it how it does that

[@genericobjectshow3440]

@@MrMinticuz I figured out a way to do it in Godot Engine. Basically, using the shape, you can basically cut a hole in another object using a CSG shape. This is for Godot 3 only :/

[@MrMinticuz]

oh that's actually dope, great to know man@@genericobjectshow3440

[@randomcatdude]

@@unityin1minute962 this is not correct. if this were the case, you wouldn't be able to stand inside a portal. the portal games actually create a copy of the nearby collision and cut a hole into it. then any objects close to the portal will only collide with this copy, rather than the actual map collision

[@axewhite6553]

I knew how it was made but i still wanted to watch the video

[@unityin1minute962]

Cool :) Hope it was interesting

[@axewhite6553]

@@unityin1minute962 hell yeah it was

[@unityin1minute962]

@@axewhite6553 Yeeeeeee :)

[@muhammadzubairirshad6724]

You are Just Amazing Dude

[@frogtheneonsaber]

I doubt you will find this but if you do ill tell you how the game renders an object. It renders the covered mesh on the otherside

[@TAELSDOLL]

excellent

[@EthereanOriginal]

Do u have a Github where this project can be found? Thanks.

[@ShatabdaRoy115]

fantastic

[@pantsurevolution]

great job

[@maxherrmann1182]

Why did you stop making videos? They're amazing!

[@FriesOnYt]

Hey can you make this but all 4 walls are portals so the room is infinite?

[@llIIllIlIIllX_XIillIIllIIllIll]

do you have the project on github to try it ourselves?

[@impokie_969]

is there a way to do this without a shader?

[@jigarpanchal0]

Bro why aren't uploding videos

[@bigmancozmo]

Channel: "Unity in 1 minute" Video length: 5:08

[@exploringabandonedhauntedo6589]

I think you forgot to post a new video

[@BastienStudio]

Pretty cool but there's a lot of things you forgotten : -The portal can be placed on white walls but not on black ones -Is the momentum preserved between the portals? (players and object) -Can we shoot portals ? (cuz they are on the wall when you start the game) -Is there some particles that can make the portals more realistic ? -If we do a co-op game, all the players can go through portals, shoot different portals and others things like this ? Otherwise the video is great, I can't wait to have the code to use it :D

[@diegogame1213FR]

i still don't get the math help

[@SS-pm3px]

Please share the source code

[@tcritt]

You ripped this off from another channel. Tsk tsk.