implicit.h File Reference

#include <stdio.h>
#include "BLI_utildefines.h"
#include "BKE_collision.h"

Go to the source code of this file.

Classes
struct	ImplicitSolverResult

Macros
#define	IMPLICIT_SOLVER_BLENDER
#define	CLOTH_ROOT_FRAME   /* enable use of root frame coordinate transform */
#define	CLOTH_FORCE_GRAVITY
#define	CLOTH_FORCE_DRAG
#define	CLOTH_FORCE_SPRING_STRUCTURAL
#define	CLOTH_FORCE_SPRING_SHEAR
#define	CLOTH_FORCE_SPRING_BEND
#define	MAX_HAIR_GRID_RES   256

Typedefs
typedef struct ImplicitSolverResult	ImplicitSolverResult

Functions
BLI_INLINE void	implicit_print_matrix_elem (float v)
void	SIM_mass_spring_set_vertex_mass (struct Implicit_Data *data, int index, float mass)
void	SIM_mass_spring_set_rest_transform (struct Implicit_Data *data, int index, float tfm[3][3])
void	SIM_mass_spring_set_motion_state (struct Implicit_Data *data, int index, const float x[3], const float v[3])
void	SIM_mass_spring_set_position (struct Implicit_Data *data, int index, const float x[3])
void	SIM_mass_spring_set_velocity (struct Implicit_Data *data, int index, const float v[3])
void	SIM_mass_spring_get_motion_state (struct Implicit_Data *data, int index, float x[3], float v[3])
void	SIM_mass_spring_get_position (struct Implicit_Data *data, int index, float x[3])
void	SIM_mass_spring_get_velocity (struct Implicit_Data *data, int index, float v[3])
void	SIM_mass_spring_get_new_position (struct Implicit_Data *data, int index, float x[3])
void	SIM_mass_spring_set_new_position (struct Implicit_Data *data, int index, const float x[3])
void	SIM_mass_spring_get_new_velocity (struct Implicit_Data *data, int index, float v[3])
void	SIM_mass_spring_set_new_velocity (struct Implicit_Data *data, int index, const float v[3])
void	SIM_mass_spring_clear_constraints (struct Implicit_Data *data)
void	SIM_mass_spring_add_constraint_ndof0 (struct Implicit_Data *data, int index, const float dV[3])
void	SIM_mass_spring_add_constraint_ndof1 (struct Implicit_Data *data, int index, const float c1[3], const float c2[3], const float dV[3])
void	SIM_mass_spring_add_constraint_ndof2 (struct Implicit_Data *data, int index, const float c1[3], const float dV[3])
bool	SIM_mass_spring_solve_velocities (struct Implicit_Data *data, float dt, struct ImplicitSolverResult *result)
bool	SIM_mass_spring_solve_positions (struct Implicit_Data *data, float dt)
void	SIM_mass_spring_apply_result (struct Implicit_Data *data)
void	SIM_mass_spring_clear_forces (struct Implicit_Data *data)
void	SIM_mass_spring_force_reference_frame (struct Implicit_Data *data, int index, const float acceleration[3], const float omega[3], const float domega_dt[3], float mass)
void	SIM_mass_spring_force_gravity (struct Implicit_Data *data, int index, float mass, const float g[3])
void	SIM_mass_spring_force_drag (struct Implicit_Data *data, float drag)
void	SIM_mass_spring_force_extern (struct Implicit_Data *data, int i, const float f[3], float dfdx[3][3], float dfdv[3][3])
void	SIM_mass_spring_force_face_wind (struct Implicit_Data *data, int v1, int v2, int v3, const float(*winvec)[3])
void	SIM_mass_spring_force_face_extern (struct Implicit_Data *data, int v1, int v2, int v3, const float(*forcevec)[3])
void	SIM_mass_spring_force_edge_wind (struct Implicit_Data *data, int v1, int v2, float radius1, float radius2, const float(*winvec)[3])
void	SIM_mass_spring_force_vertex_wind (struct Implicit_Data *data, int v, float radius, const float(*winvec)[3])
bool	SIM_mass_spring_force_spring_linear (struct Implicit_Data *data, int i, int j, float restlen, float stiffness_tension, float damping_tension, float stiffness_compression, float damping_compression, bool resist_compress, bool new_compress, float clamp_force)
bool	SIM_mass_spring_force_spring_angular (struct Implicit_Data *data, int i, int j, int *i_a, int *i_b, int len_a, int len_b, float restang, float stiffness, float damping)
bool	SIM_mass_spring_force_spring_bending (struct Implicit_Data *data, int i, int j, float restlen, float kb, float cb)
bool	SIM_mass_spring_force_spring_bending_hair (struct Implicit_Data *data, int i, int j, int k, const float target[3], float stiffness, float damping)
bool	SIM_mass_spring_force_spring_goal (struct Implicit_Data *data, int i, const float goal_x[3], const float goal_v[3], float stiffness, float damping)
float	SIM_tri_tetra_volume_signed_6x (struct Implicit_Data *data, int v1, int v2, int v3)
float	SIM_tri_area (struct Implicit_Data *data, int v1, int v2, int v3)
void	SIM_mass_spring_force_pressure (struct Implicit_Data *data, int v1, int v2, int v3, float common_pressure, const float *vertex_pressure, const float weights[3])
struct HairGrid *	SIM_hair_volume_create_vertex_grid (float cellsize, const float gmin[3], const float gmax[3])
void	SIM_hair_volume_free_vertex_grid (struct HairGrid *grid)
void	SIM_hair_volume_grid_geometry (struct HairGrid *grid, float *cellsize, int res[3], float gmin[3], float gmax[3])
void	SIM_hair_volume_grid_clear (struct HairGrid *grid)
void	SIM_hair_volume_add_vertex (struct HairGrid *grid, const float x[3], const float v[3])
void	SIM_hair_volume_add_segment (struct HairGrid *grid, const float x1[3], const float v1[3], const float x2[3], const float v2[3], const float x3[3], const float v3[3], const float x4[3], const float v4[3], const float dir1[3], const float dir2[3], const float dir3[3])
void	SIM_hair_volume_normalize_vertex_grid (struct HairGrid *grid)
bool	SIM_hair_volume_solve_divergence (struct HairGrid *grid, float dt, float target_density, float target_strength)
void	SIM_hair_volume_grid_interpolate (struct HairGrid *grid, const float x[3], float *density, float velocity[3], float velocity_smooth[3], float density_gradient[3], float velocity_gradient[3][3])
void	SIM_hair_volume_grid_velocity (struct HairGrid *grid, const float x[3], const float v[3], float fluid_factor, float r_v[3])
void	SIM_hair_volume_vertex_grid_forces (struct HairGrid *grid, const float x[3], const float v[3], float smoothfac, float pressurefac, float minpressure, float f[3], float dfdx[3][3], float dfdv[3][3])

Macro Definition Documentation

CLOTH_FORCE_DRAG

#define CLOTH_FORCE_DRAG

Definition at line 27 of file implicit.h.

CLOTH_FORCE_GRAVITY

#define CLOTH_FORCE_GRAVITY

Definition at line 26 of file implicit.h.

CLOTH_FORCE_SPRING_BEND

#define CLOTH_FORCE_SPRING_BEND

Definition at line 30 of file implicit.h.

CLOTH_FORCE_SPRING_SHEAR

#define CLOTH_FORCE_SPRING_SHEAR

Definition at line 29 of file implicit.h.

CLOTH_FORCE_SPRING_STRUCTURAL

#define CLOTH_FORCE_SPRING_STRUCTURAL

Definition at line 28 of file implicit.h.

CLOTH_ROOT_FRAME

#define CLOTH_ROOT_FRAME   /* enable use of root frame coordinate transform */

Definition at line 24 of file implicit.h.

IMPLICIT_SOLVER_BLENDER

#define IMPLICIT_SOLVER_BLENDER

Definition at line 22 of file implicit.h.

MAX_HAIR_GRID_RES

#define MAX_HAIR_GRID_RES   256

Definition at line 217 of file implicit.h.

Referenced by SIM_hair_volume_create_vertex_grid().

Typedef Documentation

ImplicitSolverResult

typedef struct ImplicitSolverResult ImplicitSolverResult

Function Documentation

implicit_print_matrix_elem()

BLI_INLINE void implicit_print_matrix_elem

(

float

v

)

Definition at line 47 of file implicit.h.

References printf, and v.

Referenced by print_lmatrix().

SIM_hair_volume_add_segment()

void SIM_hair_volume_add_segment	(	struct HairGrid *	grid,
		const float	x1[3],
		const float	v1[3],
		const float	x2[3],
		const float	v2[3],
		const float	x3[3],
		const float	v3[3],
		const float	x4[3],
		const float	v4[3],
		const float	dir1[3],
		const float	dir2[3],
		const float	dir3[3] )

Definition at line 624 of file hair_volume.cc.

References float, floor_int(), hair_volume_eval_grid_vertex_sample(), interp_v3_v3v3(), max_ii(), min_ii(), v, and v2.

Referenced by cloth_continuum_add_hair_segments().

SIM_hair_volume_add_vertex()

void SIM_hair_volume_add_vertex	(	struct HairGrid *	grid,
		const float	x[3],
		const float	v[3] )

Definition at line 355 of file hair_volume.cc.

References hair_grid_point_valid(), hair_grid_weights(), madd_v3_v3fl(), and v.

Referenced by cloth_continuum_fill_grid().

SIM_hair_volume_create_vertex_grid()

struct HairGrid * SIM_hair_volume_create_vertex_grid	(	float	cellsize,
		const float	gmin[3],
		const float	gmax[3] )

Definition at line 1107 of file hair_volume.cc.

References copy_v3_v3(), float, floor_int(), hair_grid_size(), MAX_HAIR_GRID_RES, MEM_callocN, size(), and sub_v3_v3v3().

Referenced by cloth_continuum_step().

SIM_hair_volume_free_vertex_grid()

void SIM_hair_volume_free_vertex_grid

(

struct HairGrid *

grid

)

Definition at line 1164 of file hair_volume.cc.

References MEM_freeN().

Referenced by cloth_continuum_step().

SIM_hair_volume_grid_clear()

void SIM_hair_volume_grid_clear

(

struct HairGrid *

grid

)

Definition at line 284 of file hair_volume.cc.

References hair_grid_size(), size(), and zero_v3().

SIM_hair_volume_grid_geometry()

void SIM_hair_volume_grid_geometry	(	struct HairGrid *	grid,
		float *	cellsize,
		int	res[3],
		float	gmin[3],
		float	gmax[3] )

Definition at line 1174 of file hair_volume.cc.

References copy_v3_v3(), and copy_v3_v3_int().

Referenced by cloth_continuum_fill_grid(), and cloth_continuum_step().

SIM_hair_volume_grid_interpolate()

void SIM_hair_volume_grid_interpolate	(	struct HairGrid *	grid,
		const float	x[3],
		float *	density,
		float	velocity[3],
		float	velocity_smooth[3],
		float	density_gradient[3],
		float	velocity_gradient[3][3] )

Definition at line 237 of file hair_volume.cc.

References hair_grid_interpolate().

Referenced by cloth_continuum_step().

SIM_hair_volume_grid_velocity()

void SIM_hair_volume_grid_velocity	(	struct HairGrid *	grid,
		const float	x[3],
		const float	v[3],
		float	fluid_factor,
		float	r_v[3] )

Effect of fluid simulation grid on velocities. fluid_factor controls blending between PIC (Particle-in-Cell) and FLIP (Fluid-Implicit-Particle) methods (0 = only PIC, 1 = only FLIP)

Definition at line 257 of file hair_volume.cc.

References add_v3_v3(), copy_v3_v3(), hair_grid_interpolate(), interp_v3_v3v3(), sub_v3_v3v3(), and v.

Referenced by cloth_continuum_step().

SIM_hair_volume_normalize_vertex_grid()

void SIM_hair_volume_normalize_vertex_grid

(

struct HairGrid *

grid

)

Definition at line 678 of file hair_volume.cc.

References hair_grid_size(), mul_v3_fl(), and size().

Referenced by cloth_continuum_fill_grid().

SIM_hair_volume_solve_divergence()

bool SIM_hair_volume_solve_divergence	(	struct HairGrid *	grid,
		float	dt,
		float	target_density,
		float	target_strength )

Definition at line 708 of file hair_volume.cc.

References A, add_v3_v3v3(), B, BKE_sim_debug_data_add_circle, BKE_sim_debug_data_add_dot, BKE_sim_debug_data_add_vector, BLI_assert, col, HairGridVert::density, density_threshold, float, grid_to_world(), hair_volume_density_divergence(), interp_v3_v3v3(), MARGIN_i0, MARGIN_i1, MARGIN_j0, MARGIN_j1, MARGIN_k0, MARGIN_k1, mul_v3_fl(), NEIGHBOR_MARGIN_i0, NEIGHBOR_MARGIN_i1, NEIGHBOR_MARGIN_j0, NEIGHBOR_MARGIN_j1, NEIGHBOR_MARGIN_k0, NEIGHBOR_MARGIN_k1, sub_v3_v3v3(), HairGridVert::velocity, HairGridVert::velocity_smooth, and zero_v3().

Referenced by cloth_continuum_step().

SIM_hair_volume_vertex_grid_forces()

void SIM_hair_volume_vertex_grid_forces	(	struct HairGrid *	grid,
		const float	x[3],
		const float	v[3],
		float	smoothfac,
		float	pressurefac,
		float	minpressure,
		float	f[3],
		float	dfdx[3][3],
		float	dfdv[3][3] )

WARNING: expressing grid effects on velocity as a force is not very stable, due to discontinuities in interpolated values! Better use hybrid approaches such as described in "Detail Preserving Continuum Simulation of Straight Hair" (McAdams, Selle 2009)

Definition at line 198 of file hair_volume.cc.

References hair_grid_interpolate(), I, madd_v3_v3fl(), mul_m3_fl(), mul_v3_fl(), mul_v3_v3fl(), normalize_v3(), sub_m3_m3m3(), sub_v3_v3(), v, zero_m3(), and zero_v3().

SIM_mass_spring_add_constraint_ndof0()

void SIM_mass_spring_add_constraint_ndof0	(	struct Implicit_Data *	data,
		int	index,
		const float	dV[3] )

Definition at line 1281 of file implicit_blender.cc.

References world_to_root_v3(), and zero_m3().

Referenced by cloth_setup_constraints().

SIM_mass_spring_add_constraint_ndof1()

void SIM_mass_spring_add_constraint_ndof1	(	struct Implicit_Data *	data,
		int	index,
		const float	c1[3],
		const float	c2[3],
		const float	dV[3] )

Definition at line 1288 of file implicit_blender.cc.

References add_v3_v3(), copy_m3_m3(), I, mul_fvectorT_fvector(), sub_m3_m3m3(), and world_to_root_v3().

SIM_mass_spring_add_constraint_ndof2()

void SIM_mass_spring_add_constraint_ndof2	(	struct Implicit_Data *	data,
		int	index,
		const float	c1[3],
		const float	dV[3] )

Definition at line 1309 of file implicit_blender.cc.

References add_v3_v3(), copy_m3_m3(), I, mul_fvectorT_fvector(), sub_m3_m3m3(), and world_to_root_v3().

SIM_mass_spring_apply_result()

void SIM_mass_spring_apply_result

(

struct Implicit_Data *

data

)

Definition at line 1170 of file implicit_blender.cc.

References cp_lfvector().

Referenced by SIM_cloth_solve().

SIM_mass_spring_clear_constraints()

void SIM_mass_spring_clear_constraints

(

struct Implicit_Data *

data

)

Definition at line 1272 of file implicit_blender.cc.

References unit_m3(), and zero_v3().

Referenced by cloth_setup_constraints().

SIM_mass_spring_clear_forces()

void SIM_mass_spring_clear_forces

(

struct Implicit_Data *

data

)

Clear the force vector at the beginning of the time step.

Definition at line 1327 of file implicit_blender.cc.

References init_bfmatrix(), ZERO, and zero_lfvector().

Referenced by SIM_cloth_solve().

SIM_mass_spring_force_drag()

void SIM_mass_spring_force_drag	(	struct Implicit_Data *	data,
		float	drag )

Global drag force (velocity damping).

Definition at line 1402 of file implicit_blender.cc.

References add_m3_m3m3(), copy_m3_m3(), I, madd_v3_v3fl(), and mul_m3_fl().

Referenced by cloth_calc_force().

SIM_mass_spring_force_edge_wind()

void SIM_mass_spring_force_edge_wind	(	struct Implicit_Data *	data,
		int	v1,
		int	v2,
		float	radius1,
		float	radius2,
		const float(*)	winvec[3] )

Wind force, acting on an edge.

Definition at line 1599 of file implicit_blender.cc.

References add_v3_v3(), edge_wind_vertex(), length(), normalize_v3(), sub_v3_v3v3(), v2, and world_to_root_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_force_extern()

void SIM_mass_spring_force_extern	(	struct Implicit_Data *	data,
		int	i,
		const float	f[3],
		float	dfdx[3][3],
		float	dfdv[3][3] )

Custom external force.

Definition at line 1417 of file implicit_blender.cc.

References add_m3_m3m3(), add_v3_v3(), world_to_root_m3(), and world_to_root_v3().

SIM_mass_spring_force_face_extern()

void SIM_mass_spring_force_face_extern	(	struct Implicit_Data *	data,
		int	v1,
		int	v2,
		int	v3,
		const float(*)	forcevec[3] )

Arbitrary per-unit-area vector force field acting on a face..

Definition at line 1487 of file implicit_blender.cc.

References add_v3_v3(), calc_nor_area_tri(), mul_v3_fl(), nor, v2, world_to_root_v3(), and zero_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_force_face_wind()

void SIM_mass_spring_force_face_wind	(	struct Implicit_Data *	data,
		int	v1,
		int	v2,
		int	v3,
		const float(*)	winvec[3] )

Wind force, acting on a face (only generates pressure from the normal component).

Definition at line 1444 of file implicit_blender.cc.

References calc_nor_area_tri(), dot_v3v3(), madd_v3_v3fl(), mul_v3_fl(), nor, v2, and world_to_root_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_force_gravity()

void SIM_mass_spring_force_gravity	(	struct Implicit_Data *	data,
		int	index,
		float	mass,
		const float	g[3] )

Simple uniform gravity force.

Definition at line 1392 of file implicit_blender.cc.

References add_v3_v3(), mul_v3_fl(), and world_to_root_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_force_pressure()

void SIM_mass_spring_force_pressure	(	struct Implicit_Data *	data,
		int	v1,
		int	v2,
		int	v3,
		float	common_pressure,
		const float *	vertex_pressure,
		const float	weights[3] )

Definition at line 1531 of file implicit_blender.cc.

References calc_nor_area_tri(), copy_v3_fl3(), madd_v3_v3fl(), mul_v3_fl(), nor, v2, and zero_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_force_reference_frame()

void SIM_mass_spring_force_reference_frame	(	struct Implicit_Data *	data,
		int	index,
		const float	acceleration[3],
		const float	omega[3],
		const float	domega_dt[3],
		float	mass )

Fictitious forces introduced by moving coordinate systems.

Definition at line 1337 of file implicit_blender.cc.

References add_m3_m3m3(), add_v3_v3(), copy_m3_m3(), cross_m3_v3m3(), cross_v3_identity(), cross_v3_v3v3(), mul_m3_fl(), mul_v3_fl(), negate_m3(), sub_v3_v3(), sub_v3_v3v3(), w(), and world_to_root_v3().

SIM_mass_spring_force_spring_angular()

bool SIM_mass_spring_force_spring_angular	(	struct Implicit_Data *	data,
		int	i,
		int	j,
		int *	i_a,
		int *	i_b,
		int	len_a,
		int	len_b,
		float	restang,
		float	stiffness,
		float	damping )

Angular spring force between two polygons.

Definition at line 1931 of file implicit_blender.cc.

References add_v3_v3(), add_v3_v3v3(), angle(), dot_v3v3(), mul_v3_v3fl(), spring_angle(), sub_v3_v3(), and x.

Referenced by cloth_calc_spring_force().

SIM_mass_spring_force_spring_bending()

bool SIM_mass_spring_force_spring_bending	(	struct Implicit_Data *	data,
		int	i,
		int	j,
		float	restlen,
		float	kb,
		float	cb )

Bending force, forming a triangle at the base of two structural springs.

Definition at line 1825 of file implicit_blender.cc.

References apply_spring(), fbstar(), fbstar_jacobi(), length(), mul_m3_fl(), mul_v3_v3fl(), outerproduct(), spring_length(), and zero_m3().

Referenced by cloth_calc_spring_force().

SIM_mass_spring_force_spring_bending_hair()

bool SIM_mass_spring_force_spring_bending_hair	(	struct Implicit_Data *	data,
		int	i,
		int	j,
		int	k,
		const float	target[3],
		float	stiffness,
		float	damping )

Angular bending force based on local target vectors.

Definition at line 2149 of file implicit_blender.cc.

References add_m3_m3m3(), add_v3_v3(), copy_m3_m3(), copy_v3_v3(), dot_v3v3(), I, madd_m3_m3fl(), madd_v3_v3fl(), madd_v3_v3v3fl(), mul_v3_v3fl(), negate_m3(), negate_v3_v3(), SIM_mass_spring_add_block(), spring_grad_dir(), spring_hairbend_estimate_dfdv(), spring_hairbend_estimate_dfdx(), spring_hairbend_forces(), sub_m3_m3m3(), sub_v3_v3(), sub_v3_v3v3(), world_to_root_v3(), zero_m3(), and zero_v3().

Referenced by cloth_calc_spring_force().

SIM_mass_spring_force_spring_goal()

bool SIM_mass_spring_force_spring_goal	(	struct Implicit_Data *	data,
		int	i,
		const float	goal_x[3],
		const float	goal_v[3],
		float	stiffness,
		float	damping )

Global goal spring.

Definition at line 2301 of file implicit_blender.cc.

References add_m3_m3m3(), add_v3_v3(), ALMOST_ZERO, dfdv_damp(), dfdx_spring(), dot_v3v3(), length(), madd_v3_v3fl(), mul_v3_v3fl(), normalize_v3_v3(), sub_v3_v3v3(), and world_to_root_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_force_spring_linear()

bool SIM_mass_spring_force_spring_linear	(	struct Implicit_Data *	data,
		int	i,
		int	j,
		float	restlen,
		float	stiffness_tension,
		float	damping_tension,
		float	stiffness_compression,
		float	damping_compression,
		bool	resist_compress,
		bool	new_compress,
		float	clamp_force )

Linear spring force between two points.

Definition at line 1765 of file implicit_blender.cc.

References apply_spring(), dfdv_damp(), dfdx_spring(), dot_v3v3(), fbstar(), fbstar_jacobi(), length(), madd_v3_v3fl(), mul_m3_fl(), mul_v3_v3fl(), outerproduct(), and spring_length().

Referenced by cloth_calc_spring_force().

SIM_mass_spring_force_vertex_wind()

void SIM_mass_spring_force_vertex_wind	(	struct Implicit_Data *	data,
		int	v,
		float	radius,
		const float(*)	winvec[3] )

Wind force, acting on a vertex.

Definition at line 1617 of file implicit_blender.cc.

References add_v3_v3(), mul_v3_v3fl(), v, and world_to_root_v3().

Referenced by cloth_calc_force().

SIM_mass_spring_get_motion_state()

void SIM_mass_spring_get_motion_state	(	struct Implicit_Data *	data,
		int	index,
		float	x[3],
		float	v[3] )

Definition at line 1212 of file implicit_blender.cc.

References root_to_world_v3(), and v.

Referenced by cloth_calc_force(), cloth_calc_spring_force(), hair_get_boundbox(), and SIM_cloth_solve().

SIM_mass_spring_get_new_position()

void SIM_mass_spring_get_new_position	(	struct Implicit_Data *	data,
		int	index,
		float	x[3] )

Definition at line 1232 of file implicit_blender.cc.

References root_to_world_v3().

Referenced by cloth_solve_collisions().

SIM_mass_spring_get_new_velocity()

void SIM_mass_spring_get_new_velocity	(	struct Implicit_Data *	data,
		int	index,
		float	v[3] )

Definition at line 1242 of file implicit_blender.cc.

References root_to_world_v3(), and v.

Referenced by cloth_calc_average_acceleration(), cloth_continuum_step(), cloth_get_grid_location(), and cloth_solve_collisions().

SIM_mass_spring_get_position()

void SIM_mass_spring_get_position	(	struct Implicit_Data *	data,
		int	index,
		float	x[3] )

Definition at line 1222 of file implicit_blender.cc.

References root_to_world_v3().

Referenced by cloth_calc_pressure_gradient(), cloth_continuum_step(), and cloth_get_grid_location().

SIM_mass_spring_get_velocity()

void SIM_mass_spring_get_velocity	(	struct Implicit_Data *	data,
		int	index,
		float	v[3] )

Definition at line 1227 of file implicit_blender.cc.

References root_to_world_v3(), and v.

Referenced by cloth_calc_average_acceleration().

SIM_mass_spring_set_motion_state()

void SIM_mass_spring_set_motion_state	(	struct Implicit_Data *	data,
		int	index,
		const float	x[3],
		const float	v[3] )

Definition at line 1193 of file implicit_blender.cc.

References v, and world_to_root_v3().

Referenced by SIM_cloth_solver_init(), and SIM_cloth_solver_set_positions().

SIM_mass_spring_set_new_position()

void SIM_mass_spring_set_new_position	(	struct Implicit_Data *	data,
		int	index,
		const float	x[3] )

Definition at line 1237 of file implicit_blender.cc.

References world_to_root_v3().

SIM_mass_spring_set_new_velocity()

void SIM_mass_spring_set_new_velocity	(	struct Implicit_Data *	data,
		int	index,
		const float	v[3] )

Definition at line 1247 of file implicit_blender.cc.

References v, and world_to_root_v3().

Referenced by cloth_continuum_step(), and cloth_solve_collisions().

SIM_mass_spring_set_position()

void SIM_mass_spring_set_position	(	struct Implicit_Data *	data,
		int	index,
		const float	x[3] )

Definition at line 1202 of file implicit_blender.cc.

References world_to_root_v3().

Referenced by SIM_cloth_solve().

SIM_mass_spring_set_rest_transform()

void SIM_mass_spring_set_rest_transform	(	struct Implicit_Data *	data,
		int	index,
		float	tfm[3][3] )

Definition at line 1183 of file implicit_blender.cc.

References copy_m3_m3(), and unit_m3().

Referenced by SIM_cloth_solver_set_positions().

SIM_mass_spring_set_velocity()

void SIM_mass_spring_set_velocity	(	struct Implicit_Data *	data,
		int	index,
		const float	v[3] )

Definition at line 1207 of file implicit_blender.cc.

References v, and world_to_root_v3().

Referenced by SIM_cloth_solve().

SIM_mass_spring_set_vertex_mass()

void SIM_mass_spring_set_vertex_mass	(	struct Implicit_Data *	data,
		int	index,
		float	mass )

Definition at line 1177 of file implicit_blender.cc.

References mul_m3_fl(), and unit_m3().

Referenced by SIM_mass_spring_set_implicit_vertex_mass().

SIM_mass_spring_solve_positions()

bool SIM_mass_spring_solve_positions	(	struct Implicit_Data *	data,
		float	dt )

Definition at line 1160 of file implicit_blender.cc.

References add_lfvector_lfvectorS().

Referenced by cloth_solve_collisions(), and SIM_cloth_solve().

SIM_mass_spring_solve_velocities()

bool SIM_mass_spring_solve_velocities	(	struct Implicit_Data *	data,
		float	dt,
		struct ImplicitSolverResult *	result )

Definition at line 1123 of file implicit_blender.cc.

References add_lfvector_lfvector(), add_lfvectorS_lfvectorS(), BLI_time_now_seconds(), cg_filtered(), cp_bfmatrix(), create_lfvector(), del_lfvector(), mul_bfmatrix_lfvector(), printf, SIM_SOLVER_SUCCESS, subadd_bfmatrixS_bfmatrixS(), and zero_lfvector().

Referenced by SIM_cloth_solve().

SIM_tri_area()

float SIM_tri_area	(	struct Implicit_Data *	data,
		int	v1,
		int	v2,
		int	v3 )

Definition at line 1524 of file implicit_blender.cc.

References calc_nor_area_tri(), nor, and v2.

Referenced by cloth_calc_average_pressure().

SIM_tri_tetra_volume_signed_6x()

float SIM_tri_tetra_volume_signed_6x	(	struct Implicit_Data *	data,
		int	v1,
		int	v2,
		int	v3 )

Definition at line 1518 of file implicit_blender.cc.

References v2, and volume_tri_tetrahedron_signed_v3_6x().

Referenced by cloth_calc_volume().