meshlaplacian.h

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