Making a Game in Desmos: #8 - Levels 2 & 3

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In this video I cover developing the second and third levels of the game.

[lucasnelson]

I started messing around with this in Desmos after binging this series, and found a couple of tips which might be helpful:
1. You can define a list of points like so: D=[(x1, y1), (x2, y2), (x3, y3)]. You can then manipulate that list like a single point
2. Desmos has a built-in distance function: distance((x1, y1), (x2, y2)) gives you the distance between the points (x1, y1) and (x2, y2)
3. If you define a list of points as in part one and then compute min(distance(D, (x0, y0))), it will give you the minimum of all the distances from (x0, y0) to the points in D. If you make (x0, y0) the coordinates of the character and D be the list of all enemies of a given size, then min(distance(D, (x0, y0)))<=(character radius+enemy radius) does the collision for all the enemies at once - no need to copy and paste for every single enemy

[tamarpeer]

You can use for a heart centered at (a, b) and use it as a power up. The collision detectiob can be just a circle, a heart would be way too difficult.

[stoopidapples]

I took great pleasure in watching the time pass by on your desktop lol. This is so cool!

[Josh-uinq]

Found your channel through polybridge and just bingewatched to catch up on this series, how does this have so few views?
Desmos + Game === Fun + Fun

[santiagoenciso]

I cannot believe this hasn't been watch by way more people, this is so much fun, is the first time I see Desmos actually doing something more interesting than a parabola which is the only usage it's seen in my high school. You are great, I have nothing but admiration towards you and all the math knowledge and perseverance you have to make all of this. Keep going!

[commandblockguy]

These are some great videos - see you on the front page of YouTube! :D

[skyli]

I like this bro! Never thought desmo can be so advanced, keep it up!

[Impirialix]

Finally! A real world application for algebra!

[perplexedon]

Are you aware that you can use text in subscripts make distinct variables? I find that organises my crazier desmos projects.

[skylervyk]

This looks so complicated but its super cool to watch

[emil_st]

I asked my teacher why should I even learn math and he sent me this

[willcashon]

I once making flappy bird or something in desmos, and failed miserably. Good to know that games are possible.

[darksentinel]

Now I want to do this, and make a Geometry Dash type of thing. But. I don't think I have the willpower.

[infiniteplanes]

“And how I either overcame [the challenges], or I’m leaving them for later to fix”
Programming in a nutshell right there.

[jamesw]

a jumping enemy, a rolling enemy and something enemy

[anonimosu]

the scariest realisation is that this process feels like what they had to do to make the first super mario.

[tamarpeer]

You should save the equations on different named graphs so you can visit them more easily

[belcarra]

When this series is done could you release the equations (via screenshots) or set up a way for people to play it?

[capncantread]

this man is so smart he probably came outta the womb knowing how to do taxes

[problemsolver]

This is like making a red stone computers