Name: ポータル - 講義10 - CS50のゲーム開発入門 (Portal - Lecture 10 - CS50's Introduction to Game Development)
Uploaded: 2021-01-14T10:33:13.000Z
Duration: 1 h 32 min 23 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

So "Portal" is a very iconic game, I think most of us

The gist is you have a portal gun, a gun that shoots these elliptical portals.

If you look through one, you can effectively

see what is coming out the other one, which is pretty cool, and vise versa.

And then, if you walk in between the portals,

you'll actually be teleported to the other side.

And so, they achieve a lot of really interesting effects

And actually Valve themselves will be coming

to give a talk on a lot of the technology

So we can get a glimpse into their version of "Portal."

My version of "Portal" is a bit simpler, but we'll

look at a lot of the same sort of principles

and see how I accomplished a lot of the same things.

So this is also the last lecture of the semester,

I have a few screenshots here to show some of the games

The very first game was "Pong," and we've come sort of a long way.

We have gone through very simple arcadey Atari-like games like this,

and have gone and created worlds effectively.

And now we're in 3D, we're doing all kinds of awesome stuff.

But this was where we started the course.

And it's kind of fun to look back and see where we've come.

So here, we talked about scoring and just effectively drawing shapes

onto the screen, then we transition to "Flappy Bird" or "50 Bird,"

And we talked about scrolling and infinite level procedural generation

We took things a step higher than that with "Breakout"

where we had the same sort of procedural ideas

in the context of a very famous arcade game.

We talked about particle systems and some arcade style

We talked about Match Three" and how to actually calculate

what goes on to determine whether we have gotten a match

and how to clear blocks and how to tween things,

do operations over time, sort of this A synchronicity.

Then we went into probably what is my favorite lecture, which

was "Super Mario Brothers," and we talked

about how to create procedural worlds that all look very different

And then we had triggers and events sort of happening.

Then "Legend of Zelda" came, and we had this infinite dungeon algorithm.

And we had enemies walking around that we

could use a sword on, so it felt more like an actual action game, action RPG.

Then took a brief look at physics in the context of Box 2D with "Angry Birds,"

and I still remember the ball pit example was probably

And then probably the most complicated example of the semester

was "Pokemon," where we actually had a semi full turn based

parallel system, and random encounters, and like a little world where there's

actually two main stages to our world where there was the field

and the battle scene, which is a very common thing to have in RPGs.

Following "Pokemon," which was the most complicated codebase,

we went into Unity, which was our first foray into 3D.

And even though we were just exploring 2.5D,

we still got a chance to look at how does the Unity engine work and how do

And we put together a very simple "Flappy Bird" esque game so

that we could sort of recycle prior ideas.

Last week, we looked at "Dread 50," which was sort of a Dreadhall's horror

inspired game where we got to look at lighting

and how to actually transition between scenes and use some basic UI in Unity.

And today, we'll be talking about how to create a game similar to this,

Today is mostly just a tech demo more than anything else.

But this is a screenshot of the actual game "Portal."

And as you can see, they do a lot of really cool fancy things.

They have a portal on sort of a slope, they

have another portal coming out of the front wall over back there.

There are different colors so you can differentiate between left and right,

They have sort of this object here on the side,

and I believe that's to shoot cubes out, which this here

is a cube which you can then grab with your gun

and then shoot it through portals and see it come in and out of portals,

And we'll talk today about how to create a simple version of this, primarily

just the aspect of how do I create a portal that looks out of another scene

And how do I teleport and get back and forth between the portals

and carry a weapon and then shoot a ray that will actually place a portal where

So today, some of the topics we'll talk about.

So we've used a first person controller, and this

But it helps illustrate what parenting is.

Ray casting is the actual shooting out of a ray from your object

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ポータル - 講義10 - CS50のゲーム開発入門 (Portal - Lecture 10 - CS50's Introduction to Game Development)

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