初始发布: 21 个 skills (Claude Code / Codex / DSH)

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---
name: meshy-3d-gen
description: 调用 Meshy AI API 从文本生成 3D 模型(text-to-3dpreview→refine→下载 GLB)。当用户要求生成/优化 3D 模型、替换 glb 资产、用 AI 建模时调用。
---
# Meshy 3D 模型生成
调用 Meshy AI OpenAPI v2,通过文本生成 lowpoly 3D 模型,输出 `.glb` 文件。
## API Key
优先读环境变量 `MESHY_API_KEY`,否则读 `~/.config/meshy_api_key`。绝不硬编码到代码或写入 git。
## 脚本
`scripts/meshy_gen.py` 封装完整流程(Python 3 标准库,无额外依赖):
```bash
python3 ~/.codex/skills/meshy-3d-gen/scripts/meshy_gen.py "<prompt>" "<输出.glb>" "[texture_prompt]"
```
示例:
```bash
python3 ~/.codex/skills/meshy-3d-gen/scripts/meshy_gen.py \
"stylized low-poly Japanese castle, white walls, dark tiled roof, gold trim, game asset, fantasy" \
"art/castle.glb" \
"flat colors, stylized texture, white plaster, dark roof tiles, gold trim, no photorealism"
```
脚本自动执行:创建 preview 任务 → 轮询(每 5s)→ 创建 refine 任务(PBR 贴图、移除烘焙光照)→ 轮询 → 下载 GLB。
## 计费
preview 20 credits + refine 10 credits = **30 credits/次**。重试也照扣,所以 prompt 要一次写准;先用免费/轻量方式确认方向再跑。
## 风格规范(本项目)
生成 Taiko5 资产时必须:
- `model_type: lowpoly` 保持风格统一(脚本已固定)
- prompt 包含关键词:`stylized, low-poly, game asset`
- 禁用 `realistic, photorealistic`
- 贴图提示强调:`flat colors, stylized texture, no photorealism`
## 详细提示词规范(必读)
Meshy 对提示词细节非常敏感,通用描述会生成简单几何块。每次生成前必须按以下清单写足细节:
1. **历史原型/时代风格**:点名真实城堡或时代,例如 `Himeji-style``Azuchi-style``Sengoku period`
2. **层数与内部结构**:明确 `X visible roof tiers``X stories inside`,防止只生成一层
3. **屋顶细节**`hipped-and-gabled roofs (irimoya)``curved eaves``shachihoko ridge ornaments``chidori-hafu gable dormers`
4. **墙体与石基**`white plaster walls``dark kawara tiled roofs``large sloping stone base (ishigaki)``red wooden pillars`
5. **局部构件**:门窗、斗拱、栏杆、金饰、角楼、破风、瓦当
6. **姿态与用途**`symmetrical front``standing upright on flat ground``suitable as a map landmark``game asset`
7. **负面项**`no photorealism``no realistic textures``no extra text or watermark`
8. **贴图提示**:单独给出 `flat colors, stylized texture, white plaster, dark roof tiles, gold trim, red accents, no photorealism`
推荐模板:
```text
stylized low-poly Japanese castle tenshu in Himeji style, four visible roof tiers, five stories inside,
white plaster walls, dark charcoal kawara curved roofs with gold trim, hipped-and-gabled (irimoya) roofs,
shachihoko ridge ornaments, red wooden pillars, large sloping stone base (ishigaki), chidori-hafu gable
dormers, small corner turrets, symmetrical front, standing upright on flat ground, game asset, fantasy,
historical Japanese castle, suitable as a map landmark
```
## 注意事项
- Meshy 服务端只保留下载链接 3 天,生成后立即下载
- 失败模式:401 认证失败、402 积分不足、429 频率超限
- 生成的 GLB 可直接替换 Taiko5 场景里的占位模型节点