sleitnick
@sleitnick • 39,267 subscribers
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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.
sleitnick1,403,636 Aufrufe • vor 7 Monaten
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
sleitnick277,118 Aufrufe • vor 2 Jahren
Rigging surfaces that are oddly rotated is difficult. So I built a simple plugin that pulls out the mesh vertices. Then you can select a quad, and it will generate an attachment in the correct orientation on the quad. e.g. setting up the rig for this aileron control surface.
sleitnick11,234 Aufrufe • vor 1 Monat
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.
sleitnick39,210 Aufrufe • vor 5 Monaten
That satisfying seconds-hand tween. Just a fast tween using elastic easing function
sleitnick20,723 Aufrufe • vor 1 Jahr
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
sleitnick20,583 Aufrufe • vor 1 Jahr
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
sleitnick15,579 Aufrufe • vor 1 Jahr
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
sleitnick13,353 Aufrufe • vor 1 Jahr
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
sleitnick12,689 Aufrufe • vor 1 Jahr
My weekend project: Building a small "Right to Forget" helper service using Roblox OAuth and API keys.
sleitnick13,460 Aufrufe • vor 2 Jahren
16 bits of addressable read/write memory! This took me over an hour to wire up. #RobloxDev
sleitnick10,406 Aufrufe • vor 2 Jahren
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