math_geom_inline.c File Reference

#include "BLI_math.h"
#include "BLI_math_vector.h"
#include <string.h>

Go to the source code of this file.

Macros
#define	__MATH_GEOM_INLINE_C__
#define	SMALL_NUMBER   1.e-8f

Functions
MINLINE float	cross_tri_v2 (const float v1[2], const float v2[2], const float v3[2])
MINLINE float	area_tri_signed_v2 (const float v1[2], const float v2[2], const float v3[2])
MINLINE float	area_tri_v2 (const float v1[2], const float v2[2], const float v3[2])
MINLINE float	area_squared_tri_v2 (const float v1[2], const float v2[2], const float v3[2])
MINLINE void	zero_sh (float r[9])
MINLINE void	copy_sh_sh (float r[9], const float a[9])
MINLINE void	mul_sh_fl (float r[9], const float f)
MINLINE void	add_sh_shsh (float r[9], const float a[9], const float b[9])
MINLINE float	dot_shsh (const float a[9], const float b[9])
MINLINE float	diffuse_shv3 (float sh[9], const float v[3])
MINLINE void	vec_fac_to_sh (float r[9], const float v[3], const float f)
MINLINE float	eval_shv3 (float sh[9], const float v[3])
MINLINE void	madd_sh_shfl (float r[9], const float sh[9], const float f)
MINLINE void	axis_dominant_v3 (int *r_axis_a, int *r_axis_b, const float axis[3])
MINLINE float	axis_dominant_v3_max (int *r_axis_a, int *r_axis_b, const float axis[3])
MINLINE int	axis_dominant_v3_single (const float vec[3])
MINLINE int	axis_dominant_v3_ortho_single (const float vec[3])
MINLINE int	max_axis_v3 (const float vec[3])
MINLINE int	min_axis_v3 (const float vec[3])
MINLINE int	poly_to_tri_count (const int poly_count, const int corner_count)
MINLINE float	plane_point_side_v3 (const float plane[4], const float co[3])
MINLINE float	shell_angle_to_dist (const float angle)
MINLINE float	shell_v3v3_normalized_to_dist (const float a[3], const float b[3])
MINLINE float	shell_v2v2_normalized_to_dist (const float a[2], const float b[2])
MINLINE float	shell_v3v3_mid_normalized_to_dist (const float a[3], const float b[3])
MINLINE float	shell_v2v2_mid_normalized_to_dist (const float a[2], const float b[2])

Macro Definition Documentation

__MATH_GEOM_INLINE_C__

#define __MATH_GEOM_INLINE_C__

Definition at line 27 of file math_geom_inline.c.

SMALL_NUMBER

#define SMALL_NUMBER   1.e-8f

Definition at line 35 of file math_geom_inline.c.

Function Documentation

add_sh_shsh()

MINLINE void add_sh_shsh	(	float	r[9],
		const float	a[9],
		const float	b[9]
	)

Definition at line 81 of file math_geom_inline.c.

References Freestyle::a, and r.

Referenced by madd_sh_shfl().

area_squared_tri_v2()

MINLINE float area_squared_tri_v2	(	const float	v1[2],
		const float	v2[2],
		const float	v3[2]
	)

Definition at line 54 of file math_geom_inline.c.

References blender::compositor::area(), area_tri_signed_v2(), v1, and v2.

area_tri_signed_v2()

MINLINE float area_tri_signed_v2	(	const float	v1[2],
		const float	v2[2],
		const float	v3[2]
	)

Definition at line 44 of file math_geom_inline.c.

References v1, and v2.

Referenced by area_squared_tri_v2(), and area_tri_v2().

area_tri_v2()

MINLINE float area_tri_v2	(	const float	v1[2],
		const float	v2[2],
		const float	v3[2]
	)

Definition at line 49 of file math_geom_inline.c.

References area_tri_signed_v2(), fabsf, v1, and v2.

Referenced by BKE_mesh_remap_calc_polys_from_mesh(), computeBindWeights(), IsectPT2Df_limit(), M_Geometry_area_tri(), project_paint_bleed_add_face_user(), test_polyfill_area(), and transform_point_by_tri_v3().

axis_dominant_v3()

MINLINE void axis_dominant_v3	(	int *	r_axis_a,
		int *	r_axis_b,
		const float	axis[3]
	)

Definition at line 168 of file math_geom_inline.c.

References fabsf.

Referenced by barycentric_differentials_from_position(), barycentric_weights(), and uvedit_unwrap_cube_project().

axis_dominant_v3_max()

MINLINE float axis_dominant_v3_max	(	int *	r_axis_a,
		int *	r_axis_b,
		const float	axis[3]
	)

Definition at line 189 of file math_geom_inline.c.

References fabsf.

axis_dominant_v3_ortho_single()

MINLINE int axis_dominant_v3_ortho_single

(

const float

vec[3]

)

Definition at line 222 of file math_geom_inline.c.

References fabsf, x, y, and z.

Referenced by ED_view3d_cursor3d_position_rotation().

axis_dominant_v3_single()

MINLINE int axis_dominant_v3_single

(

const float

vec[3]

)

Definition at line 213 of file math_geom_inline.c.

References fabsf, x, y, and z.

Referenced by calc_initial_placement_point_from_view(), distribute_grid(), isect_ray_tri_watertight_v3_precalc(), ortho_v3_v3(), OVERLAY_volume_extra(), workbench_volume_modifier_cache_populate(), and workbench_volume_object_cache_populate().

copy_sh_sh()

MINLINE void copy_sh_sh	(	float	r[9],
		const float	a[9]
	)

Definition at line 67 of file math_geom_inline.c.

References Freestyle::a, and r.

Referenced by madd_sh_shfl(), and vec_fac_to_sh().

cross_tri_v2()

MINLINE float cross_tri_v2	(	const float	v1[2],
		const float	v2[2],
		const float	v3[2]
	)

Definition at line 39 of file math_geom_inline.c.

References v1, and v2.

Referenced by barycentric_weights_v2(), barycentric_weights_v2_clamped(), barycentric_weights_v2_persp(), BLI_polyfill_beautify_quad_rotate_calc_ex(), bm_edge_calc_rotate_beauty__area(), bm_loop_collapse_is_degenerate(), color_sample_remove_cost(), gpencil_add_guide_points(), project_face_winding_init(), and test_polyfill_winding().

diffuse_shv3()

MINLINE float diffuse_shv3	(	float	sh[9],
		const float	v[3]
	)

Definition at line 102 of file math_geom_inline.c.

References sum(), v, x, y, and z.

dot_shsh()

MINLINE float dot_shsh	(	const float	a[9],
		const float	b[9]
	)

Definition at line 90 of file math_geom_inline.c.

References Freestyle::a, and r.

Referenced by eval_shv3().

eval_shv3()

MINLINE float eval_shv3	(	float	sh[9],
		const float	v[3]
	)

Definition at line 150 of file math_geom_inline.c.

References dot_shsh(), v, and vec_fac_to_sh().

madd_sh_shfl()

MINLINE void madd_sh_shfl	(	float	r[9],
		const float	sh[9],
		const float	f
	)

Definition at line 158 of file math_geom_inline.c.

References add_sh_shsh(), copy_sh_sh(), mul_sh_fl(), and r.

max_axis_v3()

MINLINE int max_axis_v3

(

const float

vec[3]

)

Definition at line 230 of file math_geom_inline.c.

References x, y, and z.

Referenced by blender::compositor::KeyingDespillOperation::executePixelSampled(), and blender::compositor::KeyingOperation::executePixelSampled().

min_axis_v3()

MINLINE int min_axis_v3

(

const float

vec[3]

)

Definition at line 238 of file math_geom_inline.c.

References x, y, and z.

Referenced by view3d_ruler_pick().

mul_sh_fl()

MINLINE void mul_sh_fl	(	float	r[9],
		const float	f
	)

Definition at line 72 of file math_geom_inline.c.

References r.

Referenced by madd_sh_shfl(), and vec_fac_to_sh().

plane_point_side_v3()

MINLINE float plane_point_side_v3	(	const float	plane[4],
		const float	co[3]
	)

Definition at line 258 of file math_geom_inline.c.

References dot_v3v3().

Referenced by BKE_mesh_mirror_bisect_on_mirror_plane_for_modifier(), bmo_bisect_plane_exec(), clip_segment_v3_plane(), clip_segment_v3_plane_n(), closest_to_plane_normalized_v3(), closest_to_plane_v3(), dist_signed_squared_to_plane_v3(), dist_signed_to_plane_v3(), dist_squared_to_plane_v3(), draw_culling_box_test(), draw_culling_plane_test(), draw_culling_sphere_test(), DRW_culling_min_max_test(), isect_aabb_planes_v3(), isect_point_planes_v3(), isect_point_planes_v3_negated(), plane_point_side_flip(), plane_point_test_v3(), sculpt_gesture_is_vertex_effected(), SCULPT_plane_point_side(), tree_intersect_plane_test(), and view3d_clipping_test().

poly_to_tri_count()

MINLINE int poly_to_tri_count	(	const int	poly_count,
		const int	corner_count
	)

Simple method to find how many tri's we need when we already know the corner+poly count.

Parameters

poly_count	The number of ngon's/tris (1-2 sided faces will give incorrect results)
corner_count	also known as loops in BMesh/DNA

Definition at line 252 of file math_geom_inline.c.

References BLI_assert.

Referenced by bake_targets_populate_pixels_vertex_colors(), BKE_mesh_recalc_looptri(), BKE_mesh_runtime_looptri_len(), BKE_mesh_tessface_calc_ex(), BM_mesh_calc_tessellation(), BM_mesh_calc_tessellation_beauty(), BMD_mesh_intersection(), bpy_bmesh_calc_loop_triangles(), build_pbvh_from_regular_mesh(), C_BVHTree_FromBMesh(), ccgDM_recalcLoopTri(), DM_ensure_looptri_data(), dm_getNumLoopTri(), ED_draw_object_facemap(), editmesh_tessface_calc_intern(), heat_bone_weighting(), Freestyle::BlenderFileLoader::insertShapeNode(), mesh_calc_tri_tessface(), mesh_ensure_looptri_data(), mesh_faces_to_scratch(), mesh_render_data_create(), raycastEditMesh(), RE_bake_pixels_populate(), sculpt_gesture_apply_trim(), and stats_mesheval().

shell_angle_to_dist()

MINLINE float shell_angle_to_dist

(

const float

angle

)

Definition at line 267 of file math_geom_inline.c.

References angle(), cosf, fabsf, SMALL_NUMBER, and UNLIKELY.

Referenced by Bend(), and BM_mesh_wireframe().

shell_v2v2_mid_normalized_to_dist()

MINLINE float shell_v2v2_mid_normalized_to_dist	(	const float	a[2],
		const float	b[2]
	)

equivalent to shell_angle_to_dist(angle_normalized_v2v2(a, b) / 2)

Definition at line 309 of file math_geom_inline.c.

References Freestyle::a, add_v2_v2v2(), BLI_ASSERT_UNIT_V2, dot_v2v2(), fabsf, normalize_v2(), SMALL_NUMBER, and UNLIKELY.

shell_v2v2_normalized_to_dist()

MINLINE float shell_v2v2_normalized_to_dist	(	const float	a[2],
		const float	b[2]
	)

equivalent to shell_angle_to_dist(angle_normalized_v2v2(a, b))

Definition at line 284 of file math_geom_inline.c.

References Freestyle::a, BLI_ASSERT_UNIT_V2, dot_v2v2(), fabsf, SMALL_NUMBER, and UNLIKELY.

shell_v3v3_mid_normalized_to_dist()

MINLINE float shell_v3v3_mid_normalized_to_dist	(	const float	a[3],
		const float	b[3]
	)

equivalent to shell_angle_to_dist(angle_normalized_v3v3(a, b) / 2)

Definition at line 295 of file math_geom_inline.c.

References Freestyle::a, add_v3_v3v3(), BLI_ASSERT_UNIT_V3, dot_v3v3(), fabsf, normalize_v3(), SMALL_NUMBER, and UNLIKELY.

Referenced by alter_co(), bmo_face_inset_individual(), and bmo_inset_region_exec().

shell_v3v3_normalized_to_dist()

MINLINE float shell_v3v3_normalized_to_dist	(	const float	a[3],
		const float	b[3]
	)

equivalent to shell_angle_to_dist(angle_normalized_v3v3(a, b))

Definition at line 274 of file math_geom_inline.c.

References Freestyle::a, BLI_ASSERT_UNIT_V3, dot_v3v3(), fabsf, SMALL_NUMBER, and UNLIKELY.

Referenced by BM_vert_calc_shell_factor(), BM_vert_calc_shell_factor_ex(), bmo_inset_region_exec(), MOD_solidify_extrude_modifyMesh(), and solidify_add_thickness().

vec_fac_to_sh()

MINLINE void vec_fac_to_sh	(	float	r[9],
		const float	v[3],
		const float	f
	)

Definition at line 124 of file math_geom_inline.c.

References copy_sh_sh(), mul_sh_fl(), r, v, x, y, and z.

Referenced by eval_shv3().

zero_sh()

MINLINE void zero_sh

(

float

r[9]

)

Definition at line 62 of file math_geom_inline.c.

References r.