القائمة
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。
التثبيت باستخدام Codex أو Claude انسخ هذا Prompt والصقه في Codex أو Claude أو مساعد آخر ليراجع صفحة Skill ويثبّتها لك.
استنادا إلى تصنيف SOC المهني
GeometryScript 资产读写与碰撞操作。当用户要求精细控制 StaticMesh 资产加载/保存选项、创建新资产、生成碰撞体时使用。
GeometryScript 网格属性操作。当用户要求设置/查询顶点色、Polygroup、材质 ID 时使用。
Create geometry through the GeometryScript modeling workflow. Use when the user asks to create primitives, generate profile-based shapes, or produce mesh assets or working meshes for downstream pipelines.
GeometryScript 变形与变换操作。当用户要求弯曲、扭曲、平滑、噪声、位移、平移、旋转、缩放网格时使用。
GeometryScript 法线与切线操作。当用户要求重算法线、分裂法线、翻转法线、计算切线或修复法线方向时使用。
GeometryScript 图元创建与建模函数。当用户要求创建 Box、Sphere、Cylinder 等基础形状，或进行拉伸、旋转体、壳体等建模操作时使用。
| name | unreal-modeling-meshops |
| description | 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。 |
前置条件：先阅读 unreal-modeling。
| 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 |
| 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） |
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
| 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 |
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
| 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)
| 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
| 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
| 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 |
| 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） |
填充孔洞：
{"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：
{"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：
{"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：
{"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}}}
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。