tornavis/source/blender/blenkernel/BKE_mesh_fair.hh

45 lines
1.4 KiB
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bke
* Mesh Fairing algorithm designed by Brett Fedack, used in the addon "Mesh Fairing":
* https://github.com/fedackb/mesh-fairing.
*/
#include "BLI_math_vector_types.hh"
#include "BLI_span.hh"
#include "BLI_utildefines.h"
struct BMesh;
struct Mesh;
/* Mesh Fairing. */
/* Creates a smooth as possible geometry patch in a defined area. Different values of depth allow
* to minimize changes in the vertex positions or tangency in the affected area. */
enum eMeshFairingDepth {
MESH_FAIRING_DEPTH_POSITION = 1,
MESH_FAIRING_DEPTH_TANGENCY = 2,
};
/**
* Affect_vertices is used to define the fairing area. Indexed by vertex index, set to true when
* the vertex should be modified by fairing.
*/
void BKE_bmesh_prefair_and_fair_verts(BMesh *bm,
const bool affected_verts[],
eMeshFairingDepth depth);
/**
* This function can optionally use the vertex coordinates of deform_mverts to read and write the
* fairing result. When NULL, the function will use mesh positions directly.
*/
void BKE_mesh_prefair_and_fair_verts(Mesh *mesh,
blender::MutableSpan<blender::float3> deform_vert_positions,
const bool affected_verts[],
eMeshFairingDepth depth);