Preview is drawn from the same Scene Document the renderer receives: normalized object rects, exact DejaVu / Liberation font stacks (with metric-compatible fallbacks), word wrapping, alignment, background plates and the deterministic background algorithms. Aurora waves and mesh gradients move live here with the renderer's exact drift equations. Entrance animations play in the browser WebM preview; HQ MP4 uses Manim for the final look.
Timeline
Play order as absolute tracks · drag right edge to change duration · ♪ = sound · scrub the ruler
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