Undercover Ecstasy
An audio-reactive night drive in Unreal Engine 5
A vertical night-drive reel from Unreal Engine 5, cut on the beat, with neon lyrics lit word by word. Every render is reproducible and frame-checked.
Undercover Ecstasy is a 30-second reel from my audio-reactive world. Across 17 shots, a white coupé drives under light arches that pulse with the music.
What's inside
- The C++ record mode renders at 200 % screen percentage (4× the pixels) and is deterministic: the…
- Every cut lands one frame ahead of its beat on the true 129 BPM grid (live analysis misread this…
- In the v1 review, 72 of 74 words lit 0.6–1.9 frames before their aligned start, as designed; v2…
- QA over all 900 frames (P90 luminance of the projected car box, cam-to-car distance, per-zone…
- The whole reel re-renders in about 5 minutes on an RTX 5070 Ti (make_reel.ps1
Built with: Unreal Engine 5, C++, Python, Demucs, Whisper, FFmpeg, PowerShell
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