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Game Asset Anime Part3d

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从同尺度多视图逐件生成头部、头发和服装等三维初稿,再按画布坐标组装与检查,适用于图生 3D 原型和生成路线评估。

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  • Added October 18, 2026
designpython

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npx -y skills add zeroa234/game-asset-aesthetic-test --skill game-asset-anime-part3d --agent claude-code

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SKILL.md
---
name: game-asset-anime-part3d
description: 从同尺度多视图逐件生成头部、头发和服装等三维初稿,再按画布坐标组装与检查,适用于图生 3D 原型和生成路线评估。
---

# 分件图生 3D

先明确目标是静态原型、可动角色还是游戏资产。已有方案包括 Pixal3D/ComfyUI、Tripo 与现成 VRoid 模板;比较硬件、编辑性、拓扑和许可。源项目的本地图生人物最终未达到可用角色目标,不能把“能生成并组装”写成角色制作已成功。

## 执行

1. 多视图共用画布、人物高度、地平线和朝向。逐件参考采用相同位置的完整部件,发型是完整假发,衣服可放在同尺度人台上,避免每次独立构图。
2. 分件前统计 alpha 底噪。历史输入中 alpha 1–21 的淡矩形会被三维模型当成实体;`alpha<=24` 清零是该批数据的实测修复,新图应检查分布后选择阈值。
3. 所有视图用共同方形裁切框与缩放,保存原始 bbox、裁切和坐标转换。不能逐视图各自贴满画面;侧面接 left/right 按节点真实坐标和试渲染确认,历史朝右侧图实际需接 right。
4. 先生成一个低分辨率部件确认前后,才增加体素与贴图分辨率。高模保留,低模先重建再减面;从千万面一步减至几千面容易碎裂。薄头发与实体头需要不同重建尺度。
5. 用画布位置恢复组装,先按高度统一尺度,再检查宽深包络、头皮/发壳与脖子连接。任何三轴缩放都记录,不能把后续视觉补偿藏起来。
6. 自动重拓扑前检查封闭、流形、壳层、法线和表面积保留率。QuadriFlow/AutoRemesher 的历史失败包含开口与多壳输入问题;选现成工具也必须检查手脚、发束等细长部分是否消失。
7. 动漫材质先比较 base color、白模与卡通着色;烘焙 PBR 高光会导致塑料感。把线稿烤入颜色后,再描边可能叠出黑线。

## 配套入口

进入 `assets/workspace/`,配置 `COMFYUI_DIR` 与 `COMFYUI_URL` 并核对现场节点/权重:

```sh
python scripts/img2mesh-comfy.py work/mesh head --views front=head-front.png,right=head-side.png,back=head-back.png --engine pixal3d --faces 8000 --upsample 1024 --remesh 256
```

参数为旧试验起点,先看 `--help`。附带组装和多角度渲染脚本,不附权重、第三方模型或角色图。

## 验收与停止条件

至少看正、侧、背、45°、低角度白模/贴图。检查部件完整性、表面积、UV、缝与轮廓;脸部额外检查嘴缝、眼洞、转眼和表情变形。头部正面好看不足以继续宣称可动。

若瓶颈是脸部布线/表情与稳定蒙皮,先转现成参数头或人工拓扑;不要靠更多生成轮次或贴图掩盖缺陷。Tripo 是基于外部案例的一体化候选,源项目没有做同一输入横评。自动绑骨/表情迁移与游戏集成仍需单独验证。

资源获取见 [sources.md](references/sources.md),附带代码及适配边界见 [implementation.md](references/implementation.md)。

Files in this skill

  • SKILL.md3 KB
  • assets/workspace/config/part3d-prompts.json13.3 KB
  • assets/workspace/requirements.txt33 B
  • assets/workspace/scripts/comfy-run-api.py4.6 KB
  • assets/workspace/scripts/img2mesh-comfy.py13.7 KB
  • assets/workspace/scripts/mesh-npz.py10.6 KB
  • assets/workspace/scripts/mesh-smooth.py5.9 KB
  • assets/workspace/scripts/mesh-symmetrize.py3.1 KB
  • assets/workspace/scripts/mesh-views.py12.4 KB
  • assets/workspace/scripts/part-assemble.py14.4 KB
  • assets/workspace/scripts/shell-solidify.py4.9 KB
  • assets/workspace/scripts/skin-unify.py3.2 KB
  • references/implementation.md2.8 KB
  • references/manifest.json4.3 KB
  • references/sources.md1.2 KB

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