italink/unrealclientprotocol/unreal-modeling-meshops

Name: unreal-modeling-meshops
Author: italink

Claude Code and agent skill by italink/unrealclientprotocol

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GeometryScript 网格处理操作。当用户要求修复、简化、Remesh、布尔运算、体素化、分解、基础编辑或细分网格时使用。

Install

npx vskill@latest install italink/unrealclientprotocol/unreal-modeling-meshops

SKILL.md

建模 — 网格操作

前置条件：先阅读 unreal-modeling。

库

库	CDO
修复	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshRepairFunctions`
简化	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshSimplifyFunctions`
Remesh	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_RemeshingFunctions`
布尔	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshBooleanFunctions`
体素	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshVoxelFunctions`
分解	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshDecompositionFunctions`
基础编辑	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshBasicEditFunctions`
细分	`/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshSubdivideFunctions`
OpenSubdiv	`/Script/GeometryScriptingEditor.Default__GeometryScriptLibrary_OpenSubdivFunctions`

修复函数

函数	关键参数	说明
`CompactMesh`	`TargetMesh`	压缩顶点/三角形 ID 空间，移除间隙
`RemoveUnusedVertices`	`TargetMesh`	删除未被三角形引用的顶点
`WeldMeshEdges`	`TargetMesh`, `WeldOptions`	焊接开放边界（修复裂缝）
`ResolveMeshTJunctions`	`TargetMesh`, `ResolveOptions`	解决 T 形交叉
`SnapMeshOpenBoundaries`	`TargetMesh`, `SnapOptions`	吸附开放边界到最近的兼容边界
`FillAllMeshHoles`	`TargetMesh`, `FillOptions`	填充所有孔洞。out：`NumFilledHoles`、`NumFailedHoleFills`
`RemoveSmallComponents`	`TargetMesh`, `Options`	删除体积/面积/三角形数低于阈值的孤立组件
`RemoveHiddenTriangles`	`TargetMesh`, `Options`	删除从外部不可见的三角形
`SplitMeshBowties`	`TargetMesh`, `bMeshBowties`, `bAttributeBowties`	拆分蝴蝶结拓扑
`RepairMeshDegenerateGeometry`	`TargetMesh`, `Options`	删除退化三角形（面积/边长过小）

修复结构体

`FGeometryScriptWeldEdgesOptions`：Tolerance(float, 1e-6)、bOnlyUniquePairs(bool, true)

`FGeometryScriptFillHolesOptions`：FillMethod(枚举)、bDeleteIsolatedTriangles(bool, true)

`EGeometryScriptFillHolesMethod`：Automatic、MinimalFill、PolygonTriangulation、TriangleFan、PlanarProjection

`FGeometryScriptRemoveSmallComponentOptions`：MinVolume(0.0001)、MinArea(0.0001)、MinTriangleCount(1)

`FGeometryScriptDegenerateTriangleOptions`：Mode(枚举)、MinTriangleArea(0.001)、MinEdgeLength(0.0001)、bCompactOnCompletion(true)

`EGeometryScriptRepairMeshMode`：DeleteOnly、RepairOrDelete、RepairOrSkip

简化函数

函数	关键参数	说明
`ApplySimplifyToTriangleCount`	`TargetMesh`, `TriangleCount`, `Options`	简化到目标三角形数
`ApplySimplifyToVertexCount`	`TargetMesh`, `VertexCount`, `Options`	简化到目标顶点数
`ApplySimplifyToTolerance`	`TargetMesh`, `Tolerance`, `Options`	简化到几何容差
`ApplySimplifyToEdgeLength`	`TargetMesh`, `EdgeLength`, `Options`	简化到目标边长
`ApplySimplifyToPlanar`	`TargetMesh`, `Options`	简化平面区域（不改变 3D 形状）
`ApplySimplifyToPolygroupTopology`	`TargetMesh`, `Options`, `GroupLayer`	简化到 Polygroup 拓扑
`ApplyClusterSimplifyToEdgeLength`	`TargetMesh`, `EdgeLength`, `Options`	基于聚类的快速简化

简化结构体

`FGeometryScriptSimplifyMeshOptions`

字段	类型	默认值	说明
`Method`	`EGeometryScriptRemoveMeshSimplificationType`	`AttributeAware`	简化算法
`bAllowSeamCollapse`	bool	`true`	允许接缝折叠
`bAllowSeamSmoothing`	bool	`true`	允许接缝平滑
`bAllowSeamSplits`	bool	`true`	允许接缝分裂
`bPreserveVertexPositions`	bool	`false`	保留顶点位置
`bAutoCompact`	bool	`true`	自动压缩 ID 空间

`EGeometryScriptRemoveMeshSimplificationType`：StandardQEM、VolumePreserving、AttributeAware

Remesh 函数

函数	关键参数	说明
`ApplyUniformRemesh`	`TargetMesh`, `RemeshOptions`, `UniformOptions`	均匀重新网格化

`FGeometryScriptRemeshOptions`：bDiscardAttributes(false)、bReprojectToInput(true)

`FGeometryScriptUniformRemeshOptions`：TargetType(枚举)、TargetEdgeLength(3.0)、TargetTriangleCount(1000)、SmoothingRate(0.25)、Iterations(20)

布尔函数

函数	关键参数	说明
`ApplyMeshBoolean`	`TargetMesh`, `TargetTransform`, `ToolMesh`, `ToolTransform`, `BooleanOperation`, `Options`	布尔运算（并/差/交）
`ApplyMeshSelfUnion`	`TargetMesh`, `Options`	自合并（消除自相交）
`ApplyMeshPlaneCut`	`TargetMesh`, `CutFrame`, `Options`	平面切割
`ApplyMeshPlaneSlice`	`TargetMesh`, `CutFrame`, `Options`	平面切片（保留两侧）
`ApplyMeshMirror`	`TargetMesh`, `MirrorFrame`, `Options`	镜像

布尔操作枚举（BooleanOperation 参数）：Union、Subtract、Intersect

体素函数

函数	关键参数	说明
`ApplyMeshSolidify`	`TargetMesh`, `Options`	体素化实体化
`ApplyMeshMorphology`	`TargetMesh`, `Options`	体素形态学操作（膨胀/腐蚀/开/闭）

`EGeometryScriptMorphologicalOpType`：Dilate、Contract、Close、Open

基础编辑函数

函数	关键参数	说明
`AppendMesh`	`TargetMesh`, `AppendMesh`	追加另一个 mesh
`AppendMeshTransformed`	`TargetMesh`, `AppendMesh`, `AppendTransform`	带变换追加
`AppendMeshRepeated`	`TargetMesh`, `AppendMesh`, `AppendTransform`, `RepeatCount`	重复追加
`SetVertexPosition`	`TargetMesh`, `VertexID`, `NewPosition`, `bDeferChangeNotifications`	设置单个顶点位置
`AddVertexToMesh`	`TargetMesh`, `NewPosition`	添加顶点。out：`NewVertexIndex`
`AddVerticesToMesh`	`TargetMesh`, `NewPositionList`	批量添加顶点。out：`NewIndicesList`
`AddTriangleToMesh`	`TargetMesh`, `NewTriangle`	添加三角形。out：`NewTriangleIndex`
`AddTrianglesToMesh`	`TargetMesh`, `NewTrianglesList`	批量添加三角形
`DeleteTrianglesFromMesh`	`TargetMesh`, `TriangleList`	删除三角形
`DeleteSelectedTrianglesFromMesh`	`TargetMesh`, `Selection`	删除选中三角形
`DiscardMeshAttributes`	`TargetMesh`	丢弃所有属性（法线/UV/颜色等）
`SetAllMeshVertexPositions`	`TargetMesh`, `PositionList`	批量设置所有顶点位置

细分函数

函数	关键参数	说明
`ApplySelectiveTessellation`	`TargetMesh`, `Selection`, `Options`	选择性细分
`ApplyUniformTessellation`	`TargetMesh`, `TessellationLevel`	均匀细分
`ApplyPNTessellation`	`TargetMesh`, `Options`, `TessellationLevel`	PN 三角形细分
`ApplyPolygroupCatmullClarkSubD`	`TargetMesh`, `Subdivisions`, `GroupLayer`	Catmull-Clark 细分（Editor 库）
`ApplyTriangleLoopSubD`	`TargetMesh`, `Subdivisions`	Loop 细分（Editor 库）

JSON 示例

填充孔洞：

json

{"object":"/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshRepairFunctions","function":"FillAllMeshHoles","params":{"TargetMesh":"/Engine/Transient.DynamicMesh_0","FillOptions":{"FillMethod":"Automatic","bDeleteIsolatedTriangles":true}}}

简化到目标三角形数：

json

{"object":"/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshSimplifyFunctions","function":"ApplySimplifyToTriangleCount","params":{"TargetMesh":"/Engine/Transient.DynamicMesh_0","TriangleCount":5000,"Options":{"Method":"AttributeAware","bAllowSeamCollapse":true,"bAutoCompact":true}}}

布尔差集：

json

{"object":"/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_MeshBooleanFunctions","function":"ApplyMeshBoolean","params":{"TargetMesh":"/Engine/Transient.DynamicMesh_0","TargetTransform":{"Rotation":{"X":0,"Y":0,"Z":0,"W":1},"Translation":{"X":0,"Y":0,"Z":0},"Scale3D":{"X":1,"Y":1,"Z":1}},"ToolMesh":"/Engine/Transient.DynamicMesh_1","ToolTransform":{"Rotation":{"X":0,"Y":0,"Z":0,"W":1},"Translation":{"X":0,"Y":0,"Z":0},"Scale3D":{"X":1,"Y":1,"Z":1}},"BooleanOperation":"Subtract","Options":{}}}

均匀 Remesh：

json

{"object":"/Script/GeometryScriptingCore.Default__GeometryScriptLibrary_RemeshingFunctions","function":"ApplyUniformRemesh","params":{"TargetMesh":"/Engine/Transient.DynamicMesh_0","RemeshOptions":{"bDiscardAttributes":false,"bReprojectToInput":true},"UniformOptions":{"TargetEdgeLength":3.0,"SmoothingRate":0.25,"Iterations":20}}}

发现

对上述任意 CDO 路径调用 DescribeObject 可查看完整函数列表和参数签名。

Security

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Source

SKILL.md in the repositoryCheckingSkills/unreal-modeling-meshops/SKILL.md

Popularity

Repository stars: 114
Repository forks: 14
7-day trend score: 24

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