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topkoa
e05d90e949
The flash was instant-on with a 0.32 s exponential tail, and a held sustain kept re-feeding it — wires stayed lit for the whole note. The requested feel is a shock: light hits the frets, they jolt, it's over. The flash is now a one-shot pulse triggered on the input's rising edge: a near-instant crack up (RISE 25 ms), a fast fall (FALL 160 ms) shaped (1-u)^2 so it drops hard then eases out, with a 26 Hz flicker biting into the fall (the electric shudder — the crack itself stays clean), then hard zero. A held 'active' verdict keeps the input high continuously, which by construction triggers nothing new: one strike per hit, and the wires go dark while the note rings on. A re-strike after the provider goes silent re-triggers cleanly. Seeking backward or a long stall clears all pulse state, and a pulse whose strike time lands ahead of the playhead after a seek is discarded. The outer-pair bracket rule is unchanged — it now selects across pulses instead of decay tails. Knobs: FRET_WIRE_HIT_RISE / _FALL / _FLICKER_HZ / _FLICKER_DEPTH (replacing FRET_WIRE_HIT_DECAY). Signed-off-by: topkoa <topkoa@gmail.com>