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Vance IngallsandClaude Sonnet 5
cd8c98e92d
Add entry bridges (each naming a specific Level 1-3 artifact the capability slots into) and literal exit bridges across the 7 Level 4 Substance pages, per the novice-to-advanced restructure plan. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
29 lines
2.8 KiB
Plaintext
29 lines
2.8 KiB
Plaintext
---
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title: When to generate artwork
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description: "Code-drawn wins for UI, type, geometry, and 3D; illustration-led hero art comes from an image model, animated as layers."
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---
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Your Level 1 music slideshow cut real photos to the beat — there was real art to work with. This chapter is for the opposite case: a hero character, a painterly scene, sculptural objects that don't exist as a photo or a footage capture yet.
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Code-drawn HTML/CSS/SVG excels where the medium is native: UI mockups, typography, geometric shapes, charts, pixel art, and 3D via Three.js. For **illustration-led** hero art — characters, painterly scenes, sculptural objects — hand-drawn SVG tops out at clipart quality no matter how well you prompt. The fix is a hybrid:
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> Generate the hero artwork as an image (via the media-use skill's image generation), then animate it with code. Anything that must move independently — eyelids, light beams, drawing lines — stays a code layer on top of the static art.
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Three rules that make this work:
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1. **Generate on a solid contrasting background** (magenta works) so the subject keys out cleanly. A light subject on a light background gets silently eaten.
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2. **Key flat vector-style art with a chroma key** (`ffmpeg colorkey`), not AI background removal — `remove-background`'s matting model is tuned for photographic and human subjects and reads flat art unreliably, sometimes keeping the background instead of the subject. Reserve `remove-background` for photographs.
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3. **Put a restraint clause in the generation prompt** ("minimal, lots of negative space") — image models fill the frame by default, and a busy generated texture reads as cheap as bad vector art.
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## The difference, side by side
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The same brief — four people arm in arm, warm gradient sweaters, flat-illustration style — built both ways. Same animation beats, same craft layer (lighting, atmosphere, grade); the only variable is where the figures came from.
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<video controls muted loop playsinline preload="metadata" src="https://static.heygen.ai/hyperframes-oss/docs/images/prompting/artwork-hand-drawn.mp4" style={{ borderRadius: "0.5rem", marginTop: "0.75rem" }}></video>
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*Hand-drawn SVG figures — clean, but the proportions and gesture read as clipart.*
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<video controls muted loop playsinline preload="metadata" src="https://static.heygen.ai/hyperframes-oss/docs/images/prompting/artwork-generated.mp4" style={{ borderRadius: "0.5rem", marginTop: "0.75rem" }}></video>
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*Generated illustration animated as layers — real anatomy and editorial shading; the animated line still passes behind the figures because the artwork was keyed to transparency.*
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*Next: [VFX and liquid glass](/prompting/vfx-and-liquid-glass) — device mockups, frosted glass, and cinematic effects for when the layer on top needs its own spectacle.*
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