zwitschi
151630e957
Fix the portrait staging: face the rig toward the camera (the old yaw was 180 degrees out) and hide the focus disc, which was covering the face in close-ups. Add the before/after Influencer portrait, fit measurements and judge scores in docs/screens/realism/2026-11-01-gear. Re-run check_screenshots (11 good/0 bad); headless 229/229.
56 lines
3.6 KiB
Markdown
56 lines
3.6 KiB
Markdown
# Gear fit report: `docs/screens/realism/2026-11-01-gear`
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Influencer (`npc_coat`) portrait, forced with `--portrait-type=2`, before the gear-fit
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changes (`da876e3`, with the capture yaw/focus fixes backported) and after them (`a478bfb`).
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Both frames use the same camera, sun and portrait staging. The focus disc is hidden because
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it is a gameplay overlay, not part of the character still.
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| measurement | before | after |
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| --- | --- | --- |
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| sunglasses width | 0.282 m (0.90× head) | **0.202 m** (0.64× head) |
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| bag body inner face | 0.168 m (coat skirt 0.225, dress 0.260) | **0.262 m** (clears both) |
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| firefighter helmet brim | sat on the brow ridge | **raised 2 cm** |
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Capture commands:
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```
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xvfb-run -a godot --path . --script res://src/test/capture_realism.gd -- \
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--stages=portrait --portrait-type=2 \
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--out=res://docs/screens/realism/2026-11-01-gear/candidate-v2
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tools/check_screenshots.sh # 11 good / 0 bad
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python3 tools/scene_concepts.py realism \
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--run docs/screens/realism/2026-11-01-gear --judge
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```
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The judge improved the portrait from **overall 2 / characters 1** (baseline) to
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**overall 3 / characters 2** (candidate); the remaining fixes are the broader realism
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targets (skin/cloth shaders, GI, backdrop haze), not gear fit.
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Vision judge: `google/gemini-2.5-flash-lite` (scores 0-10, higher is more realistic compared with the concept target).
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| set | shot | target | gap ↓ | edges | detail | contrast | overall | lighting | materials | texture | backdrop |
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| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
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| baseline | npc_portrait | npc_portrait_day | 1.093 | 24.42 | 9.88 | 43.77 | 2.0 | 3.0 | 2.0 | 1.0 | 4.0 |
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| candidate | npc_portrait | npc_portrait_day | 1.094 | 24.43 | 9.89 | 43.74 | 3.0 | 4.0 | 3.0 | 2.0 | 5.0 |
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Mean scores per set (all captured shots):
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| set | shots | gap ↓ | overall | lighting | materials | texture_detail | backdrop | characters |
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| --- | --- | --- | --- | --- | --- | --- | --- | --- |
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| baseline | 1 | 1.093 | 2.0 | 3.0 | 2.0 | 1.0 | 4.0 | 1.0 |
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| candidate | 1 | 1.094 | 3.0 | 4.0 | 3.0 | 2.0 | 5.0 | 2.0 |
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**baseline / npc_portrait** fixes:
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- Improve character model realism with more detailed facial features, realistic skin shaders, and better clothing textures.
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- Enhance material properties for all objects, especially the brick building and pavement, to better simulate real-world reflectivity, roughness, and subsurface scattering.
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- Increase texture resolution and detail for all assets, particularly for the brickwork, pavement, and character clothing, to reduce the appearance of tiling and blurriness.
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- Refine lighting to match the warm, directional sunlight and soft shadows of the target image, paying attention to ambient occlusion and global illumination.
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- Add atmospheric perspective and volumetric fog to the backdrop to create a sense of depth and distance, mimicking the haze seen in the target image.
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**candidate / npc_portrait** fixes:
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- Improve character model realism with more detailed facial features, realistic skin shaders, and better hair simulation.
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- Enhance material properties for clothing, pavement, and buildings to include subsurface scattering, anisotropic reflections, and more varied roughness maps.
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- Increase texture resolution and add micro-detail (e.g., pores, fabric weave, concrete imperfections) to all surfaces.
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- Implement more sophisticated global illumination and atmospheric scattering for a softer, more realistic lighting and haze effect.
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- Refine the backdrop by adding more complex building geometry, varied foliage, and realistic distant city details with appropriate atmospheric perspective.
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