茂之钳
48 lines
2.0 KiB
C++
48 lines
2.0 KiB
C++
#pragma once
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#include "vde/boolean/boolean_2d.h"
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#include "vde/core/polygon.h"
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#include "vde/mesh/halfedge_mesh.h"
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namespace vde::boolean {
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using core::Point2D;
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using core::Polygon2D;
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using mesh::HalfedgeMesh;
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/// ── Core 3D mesh boolean operations ──────────────────────
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/// Union: A ∪ B — keep faces of each mesh whose centroids lie outside the other
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HalfedgeMesh mesh_union(const HalfedgeMesh& a, const HalfedgeMesh& b);
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/// Intersection: A ∩ B — keep faces whose centroids lie inside the other
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HalfedgeMesh mesh_intersection(const HalfedgeMesh& a, const HalfedgeMesh& b);
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/// Difference: A − B — keep A-faces outside B
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HalfedgeMesh mesh_difference(const HalfedgeMesh& a, const HalfedgeMesh& b);
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/// Symmetric difference: (A − B) ∪ (B − A)
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HalfedgeMesh mesh_sym_diff(const HalfedgeMesh& a, const HalfedgeMesh& b);
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/// ── Helpers ──────────────────────────────────────────────
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/// Crop mesh `a` by mesh `b`'s boundary: keep faces of `a` whose
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/// centroids lie OUTSIDE the volume of `b`.
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/// If `invert_b` is true, test against the flipped-volume (inside↔outside) of `b`.
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HalfedgeMesh clip_mesh(const HalfedgeMesh& a, const HalfedgeMesh& b,
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bool invert_b = false);
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/// Invert all face orientations in the mesh
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HalfedgeMesh invert_mesh(const HalfedgeMesh& m);
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/// Merge two meshes into one (concatenate vertices and faces)
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HalfedgeMesh merge_meshes(const HalfedgeMesh& a, const HalfedgeMesh& b);
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/// Convenience dispatcher — route by BooleanOp enum
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HalfedgeMesh mesh_boolean(const HalfedgeMesh& a, const HalfedgeMesh& b, BooleanOp op);
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/// ── Point classification ─────────────────────────────────
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/// Test whether point `p` is inside `mesh` using ray-casting
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bool is_point_inside_mesh(const core::Point3D& p, const HalfedgeMesh& mesh);
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} // namespace vde::boolean
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