Devlog · tag
physics
5 entries tagged “physics”.
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Downwind
Street litter in Unreal Engine 5.8 that blows with the live wind speed and direction and stops against the kerb, a write_graph_dsl call that silently wrote nothing because an IsValid macro sat mid-function, an otter that looked invisible in PIE because the capture camera was inside the riverbank, a salmon texture that came out grey and flat and a Python hash() seed that changed every run, NPC schedules that differ by day of the week, and virtual shadow maps that drew no shadows in PIE.
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One Metre Past the Hook
A fishing fight in Unreal Engine 5.8 that snapped the line within 15 seconds whatever the player did, a caught fish that slid up the rod and ended up speared on it, and a CableComponent line that always finished a metre past the hook because EndLocation defaults to (100,0,0) relative to the end component - plus a fold-out chair, a five-minute snooze and a disposable BBQ you light with a lighter.
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Zero to Full Lock
A digital keypress was assigned straight to the steering axis, so the bike went from zero to full lock in one frame; here is the fix, a headlamp that came on three hours after dark for an unrelated reason, and an honest note that nobody has ridden any of it yet.
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The Pile That Never Settled
Building a working penny pusher out of several hundred real rigid bodies, and the feedback loop where slow frames stop a pile settling, which keeps the bodies awake, which keeps the frames slow.
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Proving the Wheel
The betting shop's roulette wheel is a real rigid body in a real bowl, so the winning number is wherever it stops - which means fairness has to be measured rather than asserted, and the measuring is where all the interesting failures were.