DIvan2000/terminal-oscilloscope
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Beam sweep stops at center where the trace begins

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
rolandnsharp
2026-04-05 20:47:08 +10:00
parent 1c4ef163d7
commit 93c8be6e48
1 changed files with 2 additions and 2 deletions
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4
src/osc/effects.nim
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@@ -80,9 +80,9 @@ proc crtTurnOn*(tb: var TerminalBuffer, w, h: int) =
tb.write(x, y, color, ch) tb.write(x, y, color, ch)
elif elapsed < OnBeamMs: elif elapsed < OnBeamMs:
# Phase 5: Beam sweep — electron beam scans top to bottom # Phase 5: Beam sweep — electron beam scans top to center
let beamRow = int((elapsed - OnStaticMs).float / let beamRow = int((elapsed - OnStaticMs).float /
(OnBeamMs - OnStaticMs).float * h.float) (OnBeamMs - OnStaticMs).float * (h.float / 2.0))
for y in 0..<h: for y in 0..<h:
let dist = abs(y - beamRow) let dist = abs(y - beamRow)
if dist == 0: if dist == 0: