64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
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#pragma once
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/**
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* @file parallel_mc.h
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* @brief 并行 Marching Cubes
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*
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* 体素网格分块并行处理，每线程独立三角形缓冲区，最终合并。
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* 支持自适应八叉树分辨率。
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*
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* @ingroup mesh
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*/
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#include "vde/mesh/halfedge_mesh.h"
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#include "vde/sdf/sdf_tree.h"
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#include <vector>
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#include <functional>
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namespace vde::mesh {
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// ═══════════════════════════════════════════════════════════
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// Parallel Marching Cubes
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// ═══════════════════════════════════════════════════════════
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/// 并行 MC 配置
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struct ParallelMCConfig {
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int resolution = 64; ///< 基础分辨率（每轴体素数）
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int num_threads = 0; ///< 线程数（0 = 自动）
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bool adaptive = false; ///< 是否启用自适应分辨率
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double min_voxel_size = 0.01; ///< 自适应最小体素
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int max_depth = 4; ///< 自适应最大细分深度
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};
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/**
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* @brief 并行 Marching Cubes
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*
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* 将体素网格沿 Z 轴分块，每线程处理一块。
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* SDF 求值需要线程安全（只读操作）。
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*
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* @param sdf SDF 求值函数 f(x,y,z) → signed distance
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* @param bounds 体素空间包围盒
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* @param config 配置参数
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* @return 生成的三角网格
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*/
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[[nodiscard]] HalfedgeMesh parallel_marching_cubes(
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const std::function<double(double, double, double)>& sdf,
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const core::AABB3D& bounds,
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const ParallelMCConfig& config = {});
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/**
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* @brief 并行自适应 Marching Cubes
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*
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* 平坦区域用大格子，曲面附近细分。
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*
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* @param sdf SDF 求值函数
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* @param bounds 包围盒
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* @param config 配置参数
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* @return 生成的三角网格
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*/
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[[nodiscard]] HalfedgeMesh parallel_adaptive_mc(
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const std::function<double(double, double, double)>& sdf,
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const core::AABB3D& bounds,
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const ParallelMCConfig& config = {});
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} // namespace vde::mesh
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