67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup edarmature
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* BIF_meshlaplacian.h: Algorithms using the mesh laplacian.
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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// #define RIGID_DEFORM
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struct Mesh;
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struct Object;
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struct bDeformGroup;
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#ifdef RIGID_DEFORM
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struct EditMesh;
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#endif
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/* Laplacian System */
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struct LaplacianSystem;
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typedef struct LaplacianSystem LaplacianSystem;
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void laplacian_add_vertex(LaplacianSystem *sys, float *co, int pinned);
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void laplacian_add_triangle(LaplacianSystem *sys, int v1, int v2, int v3);
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void laplacian_begin_solve(LaplacianSystem *sys, int index);
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void laplacian_add_right_hand_side(LaplacianSystem *sys, int v, float value);
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int laplacian_system_solve(LaplacianSystem *sys);
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float laplacian_system_get_solution(LaplacianSystem *sys, int v);
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/* Heat Weighting */
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void heat_bone_weighting(struct Object *ob,
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struct Mesh *mesh,
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float (*verts)[3],
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int numbones,
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struct bDeformGroup **dgrouplist,
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struct bDeformGroup **dgroupflip,
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float (*root)[3],
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float (*tip)[3],
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const int *selected,
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const char **error_str);
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#ifdef RIGID_DEFORM
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/* As-Rigid-As-Possible Deformation */
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void rigid_deform_begin(struct EditMesh *em);
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void rigid_deform_iteration(void);
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void rigid_deform_end(int cancel);
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#endif
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#ifdef __cplusplus
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}
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#endif
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/* Harmonic Coordinates */
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/* ED_mesh_deform_bind_callback(...) defined in ED_armature.hh */
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