math_vector.c File Reference

#include "BLI_math.h"

Go to the source code of this file.

Functions
void	interp_v2_v2v2 (float target[2], const float a[2], const float b[2], const float t)
void	interp_v2_v2v2v2 (float p[2], const float v1[2], const float v2[2], const float v3[2], const float w[3])
void	interp_v3_v3v3 (float target[3], const float a[3], const float b[3], const float t)
void	interp_v4_v4v4 (float target[4], const float a[4], const float b[4], const float t)
void	interp_v3_v3v3v3 (float p[3], const float v1[3], const float v2[3], const float v3[3], const float w[3])
void	interp_v3_v3v3v3v3 (float p[3], const float v1[3], const float v2[3], const float v3[3], const float v4[3], const float w[4])
void	interp_v4_v4v4v4 (float p[4], const float v1[4], const float v2[4], const float v3[4], const float w[3])
void	interp_v4_v4v4v4v4 (float p[4], const float v1[4], const float v2[4], const float v3[4], const float v4[4], const float w[4])
void	mid_v3_v3v3 (float v[3], const float v1[3], const float v2[3])
float	angle_v3v3v3 (const float v1[3], const float v2[3], const float v3[3])
float	angle_v3v3 (const float v1[3], const float v2[3])
float	angle_v2v2v2 (const float v1[2], const float v2[2], const float v3[2])
float	angle_v2v2 (const float v1[2], const float v2[2])
float	angle_normalized_v3v3 (const float v1[3], const float v2[3])
float	angle_normalized_v2v2 (const float v1[2], const float v2[2])
void	angle_tri_v3 (float angles[3], const float v1[3], const float v2[3], const float v3[3])
void	angle_quad_v3 (float angles[4], const float v1[3], const float v2[3], const float v3[3], const float v4[3])
void	project_v2_v2v2 (float c[2], const float v1[2], const float v2[2])
void	project_v3_v3v3 (float c[3], const float v1[3], const float v2[3])
void	bisect_v3_v3v3v3 (float out[3], const float v1[3], const float v2[3], const float v3[3])
void	reflect_v3_v3v3 (float out[3], const float v1[3], const float v2[3])
void	ortho_basis_v3v3_v3 (float v1[3], float v2[3], const float v[3])
void	rotate_normalized_v3_v3v3fl (float r[3], const float p[3], const float axis[3], const float angle)
void	rotate_v3_v3v3fl (float r[3], const float p[3], const float axis[3], const float angle)
void	print_v2 (const char *str, const float v[2])
void	print_v3 (const char *str, const float v[3])
void	print_v4 (const char *str, const float v[4])
void	minmax_v3v3_v3 (float min[3], float max[3], const float vec[3])
double	dot_vn_vn (const float *array_src_a, const float *array_src_b, const int size)
float	normalize_vn_vn (float *array_tar, const float *array_src, const int size)
float	normalize_vn (float *array_tar, const int size)
void	range_vn_i (int *array_tar, const int size, const int start)
void	range_vn_fl (float *array_tar, const int size, const float start, const float step)
void	negate_vn (float *array_tar, const int size)
void	negate_vn_vn (float *array_tar, const float *array_src, const int size)
void	mul_vn_fl (float *array_tar, const int size, const float f)
void	mul_vn_vn_fl (float *array_tar, const float *array_src, const int size, const float f)
void	add_vn_vn (float *array_tar, const float *array_src, const int size)
void	add_vn_vnvn (float *array_tar, const float *array_src_a, const float *array_src_b, const int size)
void	sub_vn_vn (float *array_tar, const float *array_src, const int size)
void	sub_vn_vnvn (float *array_tar, const float *array_src_a, const float *array_src_b, const int size)
void	fill_vn_i (int *array_tar, const int size, const int val)
void	fill_vn_fl (float *array_tar, const int size, const float val)

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Detailed Description

Definition in file math_vector.c.

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Function Documentation

void add_vn_vn	(	float *	array_tar,
		const float *	array_src,
		const int	size
	)

Definition at line 458 of file math_vector.c.

References i, and size().

Referenced by Color_iadd(), screen_opengl_render_apply(), and Vector_iadd().

void add_vn_vnvn	(	float *	array_tar,
		const float *	array_src_a,
		const float *	array_src_b,
		const int	size
	)

Definition at line 466 of file math_vector.c.

References i, and size().

Referenced by Color_add(), Matrix_add(), and Vector_add().

float angle_normalized_v2v2	(	const float	v1[2],
		const float	v2[2]
	)

Definition at line 189 of file math_vector.c.

References dot_v2v2(), len_v2v2(), M_PI, and saasin().

Referenced by angle_v2v2(), angle_v2v2v2(), draw_uvs_stretch(), and uv_image_outset().

float angle_normalized_v3v3	(	const float	v1[3],
		const float	v2[3]
	)

Definition at line 173 of file math_vector.c.

References dot_v3v3(), len_v3v3(), M_PI, and saasin().

Referenced by angle_quad_v3(), angle_tri_v3(), angle_v3v3(), angle_v3v3v3(), applyModifier(), bevel_list_smooth(), dm_calc_normal(), draw_uvs_stretch(), EM_make_hq_normals(), EM_solidify(), make_bevel_list_3D_minimum_twist(), project_paint_begin(), project_paint_uvpixel_mask(), RIG_calculateEdgeAngles(), rollBoneByQuatAligned(), rotation_between_vecs_to_quat(), sk_drawEdge(), sk_drawNormal(), and vec_roll_to_mat3().

void angle_quad_v3	(	float	angles[4],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3],
		const float	v4[3]
	)

Definition at line 222 of file math_vector.c.

References angle_normalized_v3v3(), M_PI, normalize_v3(), and sub_v3_v3v3().

Referenced by applyModifier(), and EM_solidify().

void angle_tri_v3	(	float	angles[3],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3]
	)

Definition at line 204 of file math_vector.c.

References angle_normalized_v3v3(), M_PI, normalize_v3(), and sub_v3_v3v3().

Referenced by applyModifier(), and EM_solidify().

float angle_v2v2	(	const float	v1[2],
		const float	v2[2]
	)

Definition at line 157 of file math_vector.c.

References angle_normalized_v2v2(), and normalize_v2().

Referenced by bevel_list_flip_tangents(), sk_detectDeleteGesture(), sk_detectReverseGesture(), and sk_detectTrimGesture().

float angle_v2v2v2	(	const float	v1[2],
		const float	v2[2],
		const float	v3[2]
	)

Definition at line 140 of file math_vector.c.

References angle_normalized_v2v2(), and normalize_v2().

Referenced by draw_uvs_stretch().

float angle_v3v3	(	const float	v1[3],
		const float	v2[3]
	)

Definition at line 130 of file math_vector.c.

References angle_normalized_v3v3(), and normalize_v3_v3().

Referenced by applyModifier(), axisProjection(), ED_rollBoneToVector(), measure_facepair(), similar_edge_select__internal(), similar_face_select__internal(), similar_vert_select_exec(), smooth_view(), test_manipulator_axis(), and viewrotate_apply().

float angle_v3v3v3	(	const float	v1[3],
		const float	v2[3],
		const float	v3[3]
	)

Definition at line 117 of file math_vector.c.

References angle_normalized_v3v3(), normalize_v3(), and sub_v3_v3v3().

Referenced by draw_em_measure_stats(), draw_uvs_stretch(), and laplacian_triangle_area().

void bisect_v3_v3v3v3	(	float	out[3],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3]
	)

Definition at line 266 of file math_vector.c.

References add_v3_v3v3(), normalize_v3(), and sub_v3_v3v3().

Referenced by bevel_list_calc_bisect(), make_bevel_list_3D_zup(), and makeBevelList().

double dot_vn_vn	(	const float *	array_src_a,
		const float *	array_src_b,
		const int	size
	)

Definition at line 381 of file math_vector.c.

References simple_enum_gen::d, i, and size().

Referenced by normalize_vn_vn(), vec_magnitude_nosqrt(), Vector_dot(), Vector_length_get(), Vector_length_set(), Vector_length_squared_get(), and Vector_mul().

void fill_vn_fl	(	float *	array_tar,
		const int	size,
		const float	val
	)

Definition at line 499 of file math_vector.c.

References i, and size().

Referenced by C_Vector_Fill(), do_versions(), Matrix_zero(), normalize_vn_vn(), Vector_CreatePyObject(), Vector_length_set(), Vector_new(), Vector_resize(), Vector_resized(), and Vector_zero().

void fill_vn_i	(	int *	array_tar,
		const int	size,
		const int	val
	)

Definition at line 492 of file math_vector.c.

References i, and size().

Referenced by calc_weightpaint_vert_array().

void interp_v2_v2v2	(	float	target[2],
		const float	a[2],
		const float	b[2],
		const float	t
	)

Definition at line 36 of file math_vector.c.

Referenced by doEdgeSlide(), isect_seg_seg_v2_point(), mdisp_rot_crn_to_face(), and project_paint_face_init().

void interp_v2_v2v2v2	(	float	p[2],
		const float	v1[2],
		const float	v2[2],
		const float	v3[2],
		const float	w[3]
	)

Definition at line 46 of file math_vector.c.

void interp_v3_v3v3	(	float	target[3],
		const float	a[3],
		const float	b[3],
		const float	t
	)

Definition at line 52 of file math_vector.c.

Referenced by addVertToBucket(), ambient_occlusion_apply(), blend_from_shape_exec(), blend_m3_m3m3(), blend_m4_m4m4(), boid_find_ground(), calc_curvepath(), calc_latt_deform(), collision_newton_rhapson(), collision_response(), constraint_target_to_mat4(), createArc(), curve_deform_verts(), deformVerts_do(), distlimit_evaluate(), do_clump(), do_guides(), do_kink(), doEdgeSlide(), draw_em_measure_stats(), draw_mesh_fancy(), drawlamp(), dynamicPaint_Modifier_apply(), filterNullReebGraph(), flyApply(), get_strand_normal(), gp_stroke_to_bezier(), interpolateBuckets(), mergeBuckets(), mixColors(), node_shader_exec_curve_rgb(), postprocessGraph(), project_paint_face_init(), psys_cache_edit_paths(), psys_get_particle_state(), REEB_AxialSymmetry(), REEB_RadialSymmetry(), shade_one_light(), shrinkwrap_calc_nearest_surface_point(), shrinkwrap_calc_nearest_vertex(), shrinkwrap_calc_normal_projection(), shrinkwrap_get_tarmat(), SimpleDeformModifier_do(), snapEdge(), splineik_evaluate_bone(), subdivide_edge_addvert(), subdividenurb(), update_reports_display_invoke(), and warpModifier_do().

void interp_v3_v3v3v3	(	float	p[3],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3],
		const float	w[3]
	)

Definition at line 73 of file math_vector.c.

Referenced by barycentric_transform(), dynamicPaint_generateBakeData(), dynamicPaint_paintMesh(), dynamicPaint_setInitialColor(), project_paint_face_init(), project_paint_occlude_ptv_clip(), psys_interpolate_face(), screen_px_from_ortho(), and screen_px_from_persp().

void interp_v3_v3v3v3v3	(	float	p[3],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3],
		const float	v4[3],
		const float	w[4]
	)

Definition at line 82 of file math_vector.c.

Referenced by psys_interpolate_face(), psys_interpolate_particle(), psys_thread_create_path(), and where_on_path().

void interp_v4_v4v4	(	float	target[4],
		const float	a[4],
		const float	b[4],
		const float	t
	)

Definition at line 61 of file math_vector.c.

Referenced by psys_thread_create_path(), and subdividenurb().

void interp_v4_v4v4v4	(	float	p[4],
		const float	v1[4],
		const float	v2[4],
		const float	v3[4],
		const float	w[3]
	)

Definition at line 89 of file math_vector.c.

Referenced by dynamicPaint_setInitialColor().

void interp_v4_v4v4v4v4	(	float	p[4],
		const float	v1[4],
		const float	v2[4],
		const float	v3[4],
		const float	v4[4],
		const float	w[4]
	)

Definition at line 97 of file math_vector.c.

void mid_v3_v3v3	(	float	v[3],
		const float	v1[3],
		const float	v2[3]
	)

Definition at line 105 of file math_vector.c.

Referenced by _scan_for_ext_spring_forces(), _softbody_calc_forces_slice_in_a_thread(), boundbox_mesh(), bspface_init_strand(), bundle_midpoint(), curve_center_bounds(), docenter_armature(), draw_ebones(), draw_em_indices(), draw_em_measure_stats(), draw_pose_bones(), dupli_extrude_cursor(), exec_strandsurface_sample(), get_edge_center(), initWarp(), make_trans_verts(), mesh_center_bounds(), object_origin_set_exec(), occ_face(), smooth_vertex(), smoothModifier_do(), snap_curs_to_sel(), softbody_calc_forces(), tex_space_curve(), and uv_map_transform_center().

void minmax_v3v3_v3	(	float	min[3],
		float	max[3],
		const float	vec[3]
	)

Definition at line 367 of file math_vector.c.

Referenced by calculateCenterBound(), and initWarp().

void mul_vn_fl	(	float *	array_tar,
		const int	size,
		const float	f
	)

Definition at line 443 of file math_vector.c.

References i, and size().

Referenced by Color_idiv(), Color_imul(), Vector_idiv(), Vector_imul(), and Vector_length_set().

void mul_vn_vn_fl	(	float *	array_tar,
		const float *	array_src,
		const int	size,
		const float	f
	)

Definition at line 450 of file math_vector.c.

References i, and size().

Referenced by color_mul_float(), matrix_mul_float(), normalize_vn_vn(), screen_opengl_render_apply(), Vector_div(), and vector_mul_float().

void negate_vn	(	float *	array_tar,
		const int	size
	)

Definition at line 428 of file math_vector.c.

References i, and size().

Referenced by Vector_negate().

void negate_vn_vn	(	float *	array_tar,
		const float *	array_src,
		const int	size
	)

Definition at line 435 of file math_vector.c.

References i, and size().

Referenced by Color_neg(), and Vector_neg().

float normalize_vn	(	float *	array_tar,
		const int	size
	)

Definition at line 406 of file math_vector.c.

References normalize_vn_vn().

Referenced by M_Noise_random_unit_vector(), and Vector_normalize().

float normalize_vn_vn	(	float *	array_tar,
		const float *	array_src,
		const int	size
	)

Definition at line 391 of file math_vector.c.

References simple_enum_gen::d, dot_vn_vn(), credits_svn_gen::e, fill_vn_fl(), mul_vn_vn_fl(), and sqrt().

Referenced by normalize_vn().

void ortho_basis_v3v3_v3	(	float	v1[3],
		float	v2[3],
		const float	v[3]
	)

Definition at line 298 of file math_vector.c.

References simple_enum_gen::d, credits_svn_gen::e, and sqrt().

Referenced by compatible_bump_compute(), compatible_bump_uv_derivs(), psys_render_projected_area(), ray_ao_qmc(), ray_shadow_qmc(), trace_reflect(), and trace_refract().

void print_v2	(	const char *	str,
		const float	v[2]
	)

Definition at line 352 of file math_vector.c.

void print_v3	(	const char *	str,
		const float	v[3]
	)

Definition at line 357 of file math_vector.c.

Referenced by RIG_printCtrl(), and RIG_printNode().

void print_v4	(	const char *	str,
		const float	v[4]
	)

Definition at line 362 of file math_vector.c.

void project_v2_v2v2	(	float	c[2],
		const float	v1[2],
		const float	v2[2]
	)

Definition at line 245 of file math_vector.c.

References dot_v2v2(), and mul().

Referenced by mdisp_flip_disp().

void project_v3_v3v3	(	float	c[3],
		const float	v1[3],
		const float	v2[3]
	)

Definition at line 255 of file math_vector.c.

References dot_v3v3(), and mul().

Referenced by _scan_for_ext_spring_forces(), axisProjection(), BLI_mirrorAlongAxis(), BME_bevel_poly(), BME_bevel_set_max(), boid_body(), boid_climb(), calcArcCorrelation(), cloth_calc_force(), do_kink(), ED_rollBoneToVector(), followtrack_evaluate(), get_effector_data(), handleRadialSymmetry(), InputHorizontalAbsolute(), InputVerticalAbsolute(), isect_line_line_v3(), locktrack_evaluate(), pivotcon_evaluate(), psys_get_birth_coordinates(), psys_thread_create_path(), PushPull(), RotationBetween(), rule_average_speed(), setNearestAxis3d(), sk_distanceDepth(), sk_flattenStroke(), static_particle_strand(), update_velocities(), vectomat(), and viewAxisCorrectCenter().

void range_vn_fl	(	float *	array_tar,
		const int	size,
		const float	start,
		const float	step
	)

Definition at line 419 of file math_vector.c.

References i, and size().

Referenced by C_Vector_Linspace(), and C_Vector_Range().

void range_vn_i	(	int *	array_tar,
		const int	size,
		const int	start
	)

Definition at line 411 of file math_vector.c.

References i, and size().

Referenced by mesh_calc_modifiers().

void reflect_v3_v3v3	(	float	out[3],
		const float	v1[3],
		const float	v2[3]
	)

Definition at line 280 of file math_vector.c.

References copy_v3_v3(), dot_v3v3(), and reflect().

Referenced by Vector_reflect().

void rotate_normalized_v3_v3v3fl	(	float	r[3],
		const float	p[3],
		const float	axis[3],
		const float	angle
	)

Definition at line 323 of file math_vector.c.

References cos(), and sin().

Referenced by rotate_v3_v3v3fl().

void rotate_v3_v3v3fl	(	float	r[3],
		const float	p[3],
		const float	axis[3],
		const float	angle
	)

Definition at line 341 of file math_vector.c.

References normalize_v3_v3(), and rotate_normalized_v3_v3v3fl().

void sub_vn_vn	(	float *	array_tar,
		const float *	array_src,
		const int	size
	)

Definition at line 475 of file math_vector.c.

References i, and size().

Referenced by Color_isub(), and Vector_isub().

void sub_vn_vnvn	(	float *	array_tar,
		const float *	array_src_a,
		const float *	array_src_b,
		const int	size
	)

Definition at line 483 of file math_vector.c.

References i, and size().

Referenced by Color_sub(), Matrix_sub(), and Vector_sub().