茂之钳
b7419a7881
S11-A: SDF 图元库 - 14 种基础形状（inline header） - sphere/box/round_box/torus/capsule/cylinder/cone/plane/ellipsoid - triangular_prism/hex_prism/link/wedge - 2D 挤出（extrusion/extrusion_bounded/revolution） S11-B: SDF 操作 + 域变形 - 锐利布尔: union/intersection/difference - 平滑布尔: smooth_union/smooth_intersection/smooth_difference - 修饰器: round/onion - 域变形: repeat/mirror/rotate/translate/scale/twist/bend/elongate/displace/cheap_bend - 24 项测试 S11-C: CSG 表达式树 + 网格转换 + Python 绑定 - SdfNode 树结构 — 工厂构造函数，递归求值 - sdf_to_mesh — 基于 marching_cubes 的 SDF→网格 - bind_sdf — pybind11 Python 绑定 文件: 14 文件，2,545 行（测试 1,296 行）
30 lines
1.2 KiB
C++
30 lines
1.2 KiB
C++
#pragma once
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#include "vde/sdf/sdf_tree.h"
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#include "vde/mesh/marching_cubes.h"
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#include <functional>
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namespace vde::sdf {
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/// Convert an SDF expression tree to a triangle mesh using marching cubes
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/// @param root SDF expression tree root node
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/// @param resolution Grid resolution per axis (e.g. 64 → 64³ grid)
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/// @param iso_level Isosurface level (0 = surface, default)
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/// @return Mesh with vertices and triangle indices
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[[nodiscard]] mesh::MCMesh sdf_to_mesh(const SdfNodePtr& root,
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int resolution = 64,
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double iso_level = 0.0);
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/// Convert a lambda SDF f(x,y,z) to a triangle mesh
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/// Convenience overload for direct function binding (useful from Python)
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/// @param f SDF function f(x,y,z) → signed distance
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/// @param bmin Lower corner of bounding box
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/// @param bmax Upper corner of bounding box
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/// @param resolution Grid resolution per axis
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/// @param iso_level Isosurface level
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[[nodiscard]] mesh::MCMesh sdf_to_mesh_lambda(
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const std::function<double(double, double, double)>& f,
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const Point3D& bmin, const Point3D& bmax,
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int resolution = 64, double iso_level = 0.0);
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} // namespace vde::sdf
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