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sleitnick

@sleitnick • 39,102 subscribers

Engineer at https://t.co/fmbN8adq7V

Shorts

Pop quiz! Why does one spinner wobble while the other does not? #RobloxDev

Pop quiz! Why does one spinner wobble while the other does not? #RobloxDev

16,459 просмотров

Gotta find a way to secretly deploy this to all Roblox devs

Gotta find a way to secretly deploy this to all Roblox devs

13,703 просмотров

Videos

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You can use the quadratic formula to make homing missiles properly lead and hit their target. I've used this in games for like a decade. I wish they'd use examples like that in math class. Give practical/fun examples. I hated math b/c it was too abstract. Gamedev made it fun.

You can use the quadratic formula to make homing missiles properly lead and hit their target. I've used this in games for like a decade. I wish they'd use examples like that in math class. Give practical/fun examples. I hated math b/c it was too abstract. Gamedev made it fun.

1,402,919 просмотров • 5 месяцев назад

Manipulating 3D object with physical device! Lots of other things that this could be used for, e.g. recording handheld camera cinematics. ESP32 + Accelerometer/Gryo + WebSockets

Manipulating 3D object with physical device! Lots of other things that this could be used for, e.g. recording handheld camera cinematics. ESP32 + Accelerometer/Gryo + WebSockets

61,939 просмотров • 2 месяцев назад

Playing around with Roblox's aerodynamics! This is NOT using my airfoil module. I did add some control logic for flight stability, but raw control surface input is pretty stable still. I'm just actuating control surfaces and applying forward velocity! #RobloxDev

Playing around with Roblox's aerodynamics! This is NOT using my airfoil module. I did add some control logic for flight stability, but raw control surface input is pretty stable still. I'm just actuating control surfaces and applying forward velocity! #RobloxDev

276,353 просмотров • 2 лет назад

Stress-testing 100k agents. FPS dropped to 60. I had to move most of the logic to C++ to make this work. I could only scale to ~10k in GDScript before hitting a wall. Each "agent" is also just a cube here. Nothing complex. My goal is to get this stable at 144hz w/ 100k agents.

Stress-testing 100k agents. FPS dropped to 60. I had to move most of the logic to C++ to make this work. I could only scale to ~10k in GDScript before hitting a wall. Each "agent" is also just a cube here. Nothing complex. My goal is to get this stable at 144hz w/ 100k agents.

39,210 просмотров • 3 месяцев назад

A tower crane using physical constraints. I don't really know what to do with this, but it was a fun experiment! #RobloxDev

A tower crane using physical constraints. I don't really know what to do with this, but it was a fun experiment! #RobloxDev

19,053 просмотров • 10 месяцев назад

ATC test using Roblox's TTS feature 🔊

ATC test using Roblox's TTS feature 🔊

11,714 просмотров • 5 месяцев назад

The new crane generator makes this so much better

The new crane generator makes this so much better

16,910 просмотров • 10 месяцев назад

That satisfying seconds-hand tween. Just a fast tween using elastic easing function

That satisfying seconds-hand tween. Just a fast tween using elastic easing function

20,358 просмотров • 1 год назад

Server authoritative movement with client prediction and rollback/replay support. In this example, the client exploits by moving a wall out of the way. But the server owns the movement. The client has failed predictions due to the exploit, and rolls back. #RobloxDev

Server authoritative movement with client prediction and rollback/replay support. In this example, the client exploits by moving a wall out of the way. But the server owns the movement. The client has failed predictions due to the exploit, and rolls back. #RobloxDev

20,523 просмотров • 1 год назад

DataStore Editor v3.6 is coming tomorrow! - Name field autocompletes to datastores in your experience - Key version selection - Recent keys are remembered - Closing/reopening the plugin retains state - Internal UI framework swapped to React Lua - And lots of bug fixes #RobloxDev

DataStore Editor v3.6 is coming tomorrow! - Name field autocompletes to datastores in your experience - Key version selection - Recent keys are remembered - Closing/reopening the plugin retains state - Internal UI framework swapped to React Lua - And lots of bug fixes #RobloxDev

15,579 просмотров • 1 год назад

I've always wondered how box selection works, so I tried it out this morning as a warmup for the day. My algo here is simple, but not efficient (like 5ms for 10k cubes): - Get rectangle min/max points - Get screen point of each cube - Compare screen point to min/max bounds

I've always wondered how box selection works, so I tried it out this morning as a warmup for the day. My algo here is simple, but not efficient (like 5ms for 10k cubes): - Get rectangle min/max points - Get screen point of each cube - Compare screen point to min/max bounds

13,346 просмотров • 11 месяцев назад

It's almost ready

It's almost ready

11,468 просмотров • 1 год назад

Another game dev pop quiz! I want to move a block forward until it hits the closest surface in front of it without clipping. Blockcasting can be used. But on Roblox, the result gives you a single point of contact (yellow dot). How do you solve for the green dot? #RobloxDev

Another game dev pop quiz! I want to move a block forward until it hits the closest surface in front of it without clipping. Blockcasting can be used. But on Roblox, the result gives you a single point of contact (yellow dot). How do you solve for the green dot? #RobloxDev

12,689 просмотров • 1 год назад

My weekend project: Building a small "Right to Forget" helper service using Roblox OAuth and API keys.

My weekend project: Building a small "Right to Forget" helper service using Roblox OAuth and API keys.

13,455 просмотров • 2 лет назад

Wired in the ball indicator UI. A lot still to do, but I'm glad I got the first pass of this part done tonight. Not finalized, but good enough for now. I DID end up sticking with Roact after all. #RobloxDev

Wired in the ball indicator UI. A lot still to do, but I'm glad I got the first pass of this part done tonight. Not finalized, but good enough for now. I DID end up sticking with Roact after all. #RobloxDev

15,350 просмотров • 3 лет назад

16 bits of addressable read/write memory! This took me over an hour to wire up. #RobloxDev

16 bits of addressable read/write memory! This took me over an hour to wire up. #RobloxDev

10,406 просмотров • 2 лет назад

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