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Brandon ThomasandClaude Opus 5.5
d5e30557eb
Every transition and Effect Option was built in PowerPoint (COM), exported as video and compared frame by frame with DeckCraft at the same progress (mean abs diff over 150 variants 35.7 -> 15.0, 0-255). - anim: transition_frame(kind, option, t, aspect) with measured curves (smoothstep fades, ease-in-out moves, Cover/Uncover/Pan curves), directions and option meanings, soft edges as per-corner opacity, 3-D effects as perspective-projected cards, Dynamic Content moving slide contents over cross-fading backgrounds (Source::OldBack/NewBack/OldContent/NewContent); layer_mesh subdivides perspective quads so textures stay straight. - New options: Page Curl Single, Glitter Hexagons, Shred In/Out, Zoom and Rotate; PowerPoint-style Effect Options labels. - render: composite_transition (CPU twin of the show), render_slide_part, render_transition; deckcraft-cli render-transition FILE --slide N --t T. - show: per-vertex opacity meshes, slide parts rendered once per transition. - pptx: PowerPoint's elements and defaults (p:strips diagonal wipes, p14:warp and p:newsflash for Zoom, p:zoom for Shape In/Out, glitter pattern, shred rectangle/dir, prstTrans invX per preset, pageCurlSingle, defaults for randomBar/doors/window/pan/zoom); PowerPoint reopens DeckCraft's files with the same effects. - Tests: measured curves, probes of which slide shows where at t, option coverage, per-frame triangle budget, PowerPoint XML and defaults round trip. Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>