btQuaternion.h File Reference

#include "btVector3.h"
#include "btQuadWord.h"

Go to the source code of this file.

Classes
class	btQuaternion
	The btQuaternion implements quaternion to perform linear algebra rotations in combination with btMatrix3x3, btVector3 and btTransform. More...
struct	btQuaternionFloatData
struct	btQuaternionDoubleData

Macros
#define	btQuaternionData   btQuaternionFloatData
#define	btQuaternionDataName   "btQuaternionFloatData"

Functions
SIMD_FORCE_INLINE btQuaternion	operator* (const btQuaternion &q1, const btQuaternion &q2)
	Return the product of two quaternions.
SIMD_FORCE_INLINE btQuaternion	operator* (const btQuaternion &q, const btVector3 &w)
SIMD_FORCE_INLINE btQuaternion	operator* (const btVector3 &w, const btQuaternion &q)
SIMD_FORCE_INLINE btScalar	dot (const btQuaternion &q1, const btQuaternion &q2)
	Calculate the dot product between two quaternions.
SIMD_FORCE_INLINE btScalar	length (const btQuaternion &q)
	Return the length of a quaternion.
SIMD_FORCE_INLINE btScalar	btAngle (const btQuaternion &q1, const btQuaternion &q2)
	Return the angle between two quaternions.
SIMD_FORCE_INLINE btQuaternion	inverse (const btQuaternion &q)
	Return the inverse of a quaternion.
SIMD_FORCE_INLINE btQuaternion	slerp (const btQuaternion &q1, const btQuaternion &q2, const btScalar &t)
	Return the result of spherical linear interpolation betwen two quaternions.
SIMD_FORCE_INLINE btVector3	quatRotate (const btQuaternion &rotation, const btVector3 &v)
SIMD_FORCE_INLINE btQuaternion	shortestArcQuat (const btVector3 &v0, const btVector3 &v1)
SIMD_FORCE_INLINE btQuaternion	shortestArcQuatNormalize2 (btVector3 &v0, btVector3 &v1)

Macro Definition Documentation

btQuaternionData

#define btQuaternionData   btQuaternionFloatData

Definition at line 25 of file btQuaternion.h.

Referenced by btQuaternion::serialize().

btQuaternionDataName

#define btQuaternionDataName   "btQuaternionFloatData"

Definition at line 26 of file btQuaternion.h.

Function Documentation

btAngle()

SIMD_FORCE_INLINE btScalar btAngle	(	const btQuaternion &	q1,
		const btQuaternion &	q2 )

Return the angle between two quaternions.

Definition at line 902 of file btQuaternion.h.

References btQuaternion::angle().

Referenced by calculateNormalCone().

dot()

SIMD_FORCE_INLINE btScalar dot	(	const btQuaternion &	q1,
		const btQuaternion &	q2 )

Calculate the dot product between two quaternions.

Definition at line 888 of file btQuaternion.h.

References btQuaternion::dot().

inverse()

SIMD_FORCE_INLINE btQuaternion inverse

(

const btQuaternion &

q

)

Return the inverse of a quaternion.

Definition at line 909 of file btQuaternion.h.

References btQuaternion::inverse().

length()

SIMD_FORCE_INLINE btScalar length

(

const btQuaternion &

q

)

Return the length of a quaternion.

Definition at line 895 of file btQuaternion.h.

References btQuaternion::length().

Referenced by blender::length_parameterize::accumulate_lengths(), blender::nodes::node_geo_curve_spline_parameter_cc::accumulated_lengths_curve_domain(), blender::geometry::add_curves_on_mesh(), iTaSC::Cache::addCacheItem(), iTaSC::Cache::addCacheVectorIfDifferent(), blender::gpu::MTLBufferPool::allocate_aligned_with_data(), annotation_stroke_arrow_calc_points_segment(), apply_lengths_iter(), arrayModifier_doArray(), base_callback(), bevel_build_cutoff(), blender::gpu::MTLVertBuf::bind(), blender::gpu::MTLComputeState::bind_compute_bytes(), blender::gpu::MTLRenderPassState::bind_fragment_bytes(), blender::gpu::MTLRenderPassState::bind_vertex_bytes(), BKE_attribute_search_for_write(), BKE_attributes_length(), BKE_icon_geom_invert_lightness(), BKE_nurb_calc_length(), BKE_pchan_bbone_handles_compute(), BKE_pchan_bbone_spline_compute(), BLI_current_working_dir(), BLI_mmap_open(), BLI_mmap_read(), BLI_str_utf8_invalid_byte(), BLI_str_utf8_invalid_strip(), BLI_strncpy_utf8_rlen(), blo_do_versions_pre250(), bm_edge_info_average_length_with_fallback(), BM_vert_calc_median_tagged_edge_length(), bmo_inset_region_exec(), boid_body(), bone_align_to_bone(), BPy_IDArray_getbuffer(), bpy_prop_string_get_fn(), bpy_prop_string_length_fn(), brush_puff(), blender::geometry::calc_position_without_interpolation(), blender::bke::curves::bezier::calculate_aligned_handle(), calculate_point_length(), blender::animrig::ChannelBag::channel_group_create(), color_clamp_index(), compile_shader_program(), BVHUnaligned::compute_aligned_space(), blender::ed::sculpt_paint::ScaleCurvesEffect::compute_poly_curve_length(), blender::geometry::curve_constraints::compute_segment_lengths(), IK_QPositionTask::ComputeJacobian(), convert_tree(), blender::nodes::node_geo_curve_primitive_line_cc::create_direction_line_curve(), blender::nodes::node_geo_curve_sample_cc::curve_accumulated_lengths(), blender::nodes::node_geo_curve_to_points_cc::curve_to_points(), blender::gpu::debug::DEBUG_FUNC_DECLARE(), debugDrawConstraint(), dfdx_spring(), distribute_simple_children(), do_kink(), do_path_effectors(), draw_axes(), draw_bone_update_disp_matrix_bbone(), drawArrow(), drw_shgroup_uniform(), drw_shgroup_uniform_create_ex(), blender::gpu::MTLVertBuf::duplicate_data(), ED_armature_ebone_add_primitive(), ED_buttons_tabs_list(), ED_node_tree_path_length(), ED_select_similar_compare_float_tree(), blender::imbuf::transform::edge_aa(), edge_wind_vertex(), blender::gpu::MTLContext::ensure_buffer_bindings(), blender::gpu::MTLContext::ensure_buffer_bindings(), execute_posetree(), execute_scene(), export_hair_curves(), fb(), fbderiv(), fbstar(), fbstar_jacobi(), blender::gpu::MTLShader::finalize(), iTaSC::Armature::finalize(), blender::array_utils::find_all_ranges(), blender::ed::greasepencil::find_curve_intersections(), blender::gpu::MTLBufferRange::flush(), blender::gpu::MTLBuffer::flush_range(), blender::ed::greasepencil::generate_corner(), blender::get_build_factor(), get_fcurves_of_property(), blender::geometry::get_permutation(), blender::animrig::get_rna_values(), blender::gpu::MTLTexture::get_storagebuf(), Freestyle::ViewEdge::getLength2D(), blender::gpu::GLDrawList::GLDrawList(), gpencil_stroke_editcurve_generate_edgecases(), GPU_indexbuf_create_subrange(), GPU_indexbuf_create_subrange_in_place(), blender::ed::sculpt_paint::grease_pencil_fill_extension_cut(), blender::ed::sculpt_paint::grease_pencil_fill_get_extension_data(), blender::nodes::node_geo_curve_to_points_cc::grease_pencil_to_points(), hair_create_input_mesh(), handle_app1(), GHOST_SystemCocoa::handleKeyEvent(), hash_shuffle_uint(), IK_SetTransform(), blender::gpu::IndexBuf::init_subrange(), InputCustomRatioFlip(), Interface1D_length_2d_get(), blender::gpu::is_apple_sillicon(), iterate_lengths_iter(), line_directive(), lineart_sort_adjacent_items(), BlenderPointDensityLoader::load_pixels(), BlenderSmokeLoader::load_pixels(), blender::gpu::MTLPixelBuffer::map(), MOD_solidify_nonmanifold_modifyMesh(), blender::gpu::MTLDrawList::MTLDrawList(), blender::gpu::MTLShader::MTLShader(), nlaevalchan_blend_value(), nlaevalchan_blend_value_get_inverted_lower_evalchan(), nlaevalchan_blend_value_get_inverted_upper_evalchan(), nlaevalchan_combine_value(), nlaevalchan_combine_value_get_inverted_lower_evalchan(), nlaevalchan_combine_value_get_inverted_upper_evalchan(), nlaevalchan_detect_mix_mode(), nlaevalchan_get_default_values(), nlaevalchan_snapshot_new(), nlaevalchan_verify_key(), nlastrip_get_frame_transition(), blender::nodes::node_geo_curve_primitive_line_cc::node_declare(), blender::nodes::node_geo_curve_resample_cc::node_declare(), blender::nodes::node_geo_curve_sample_cc::node_declare(), blender::nodes::node_geo_curve_to_points_cc::node_declare(), blender::nodes::node_geo_curve_length_cc::node_geo_exec(), blender::nodes::node_geo_curve_resample_cc::node_geo_exec(), Normalize(), osl_range_check(), osl_range_check_err(), blender::ed::sculpt_paint::paint_line_strokes_spacing(), blender::ed::sculpt_paint::paint_space_stroke(), blender::ed::sculpt_paint::paint_space_stroke_spacing_variable(), plane_to_point_vector_v3_normalized(), prop_subscript_ass_array_slice(), prop_subscript_ass_array_slice__as_seq_fast(), prop_subscript_ass_array_slice__bool_recursive(), prop_subscript_ass_array_slice__float_recursive(), prop_subscript_ass_array_slice__int_recursive(), psys_cache_paths(), psys_get_particle_on_path(), psys_hair_use_simulation(), PyC_AsArray(), PyC_AsArray_FAST(), PyC_AsArray_Multi_FAST_impl(), pygpu_shader_uniform_bool(), pygpu_shader_uniform_float(), pygpu_shader_uniform_int(), pygpu_shader_uniform_vector_float(), pygpu_shader_uniform_vector_int(), pyrna_prop_array_subscript_slice(), Quaternion_rotate(), blender::gpu::MTLVertBuf::read(), rna_array_lookup_int(), rna_builtin_properties_lookup_string(), RNA_def_float_matrix(), RNA_def_property_array(), RNA_def_property_collection_funcs(), RNA_def_property_multi_array(), RNA_def_property_string_funcs(), rna_ensure_property_multi_array_length(), rna_iterator_array_begin(), RNA_parameter_dynamic_length_set(), RNA_parameter_dynamic_length_set_data(), RNA_property_array_dimension(), RNA_property_as_string(), rna_property_boolean_get_default_array_values(), RNA_property_collection_length(), RNA_property_float_get_default_array(), rna_property_float_get_default_array_values(), RNA_property_int_get_default_array(), rna_property_int_get_default_array_values(), RNA_property_string_get(), RNA_property_string_get_alloc(), RNA_property_string_get_default_alloc(), blender::nodes::node_geo_curve_sample_cc::sample_indices_and_factors_to_compressed(), scale_point_to_length(), scale_points_to_length(), IK_QSegment::SetTransform(), btGjkEpaSolver2::SignedDistance(), SIM_mass_spring_force_edge_wind(), SIM_mass_spring_force_spring_bending(), SIM_mass_spring_force_spring_goal(), SIM_mass_spring_force_spring_linear(), similar_edge_select_exec(), blender::bke::mesh::split_corner_normal_fan_do(), spring_grad_dir(), spring_length(), blender::StringRef::StringRef(), blender::StringRef::StringRef(), blender::gpu::supports_barycentric_whitelist(), blender::asset_system::tests::TEST(), blender::geometry::trim_sample_length(), txt_extended_ascii_as_utf8(), txt_sel_to_buf(), ui_but_get_pasted_text_from_clipboard(), unit_as_string_main(), blender::gpu::MTLStorageBuf::update(), blender::bke::greasepencil::update_curve_plane_normal_cache(), blender::ed::view3d::geometry_nodes_gizmos::TransformGizmos::update_scale_style(), blender::ed::view3d::geometry_nodes_gizmos::LinearGizmo::update_style(), and blender::ed::view3d::geometry_nodes_gizmos::TransformGizmos::update_translate_style().

operator*() [1/3]

SIMD_FORCE_INLINE btQuaternion operator*	(	const btQuaternion &	q,
		const btVector3 &	w )

Definition at line 721 of file btQuaternion.h.

References A1, A2, btVector3, and w().

operator*() [2/3]

SIMD_FORCE_INLINE btQuaternion operator*	(	const btQuaternion &	q1,
		const btQuaternion &	q2 )

Return the product of two quaternions.

Definition at line 633 of file btQuaternion.h.

References A0, A1, and A2.

operator*() [3/3]

SIMD_FORCE_INLINE btQuaternion operator*	(	const btVector3 &	w,
		const btQuaternion &	q )

Definition at line 804 of file btQuaternion.h.

References A1, A2, btVector3, and w().

quatRotate()

SIMD_FORCE_INLINE btVector3 quatRotate	(	const btQuaternion &	rotation,
		const btVector3 &	v )

Definition at line 926 of file btQuaternion.h.

References btVector3, btQuaternion::inverse(), and v.

Referenced by btAdjustInternalEdgeContacts(), btHingeConstraint(), btHingeConstraint(), calcAngleInfo(), calcAngleInfo2(), compTreeLinkVelocities(), btRigidBody::computeGyroscopicImpulseImplicit_Body(), btMultiBodyGearConstraint::createConstraintRows(), btMultiBodyJointLimitConstraint::createConstraintRows(), btMultiBodyJointMotor::createConstraintRows(), btMultiBodySliderConstraint::createConstraintRows(), btMultiBodyDynamicsWorld::debugDrawWorld(), GetPointForAngle(), localDirToWorld(), localPosToWorld(), predictPositionsMultiDof(), btConnectivityProcessor::processTriangle(), setAxis(), setMotorTarget(), setMotorTargetInConstraintSpace(), stepPositionsMultiDof(), btMultibodyLink::updateCacheMultiDof(), updateCollisionObjectInterpolationWorldTransforms(), updateCollisionObjectWorldTransforms(), btMultibodyLink::updateInterpolationCacheMultiDof(), worldDirToLocal(), and worldPosToLocal().

shortestArcQuat()

SIMD_FORCE_INLINE btQuaternion shortestArcQuat	(	const btVector3 &	v0,
		const btVector3 &	v1 )

Definition at line 940 of file btQuaternion.h.

References btPlaneSpace1(), btSqrt(), btVector3, and SIMD_EPSILON.

Referenced by btHingeConstraint(), btHingeConstraint(), calcAngleInfo(), calcAngleInfo2(), setAxis(), setMotorTarget(), setMotorTargetInConstraintSpace(), and shortestArcQuatNormalize2().

shortestArcQuatNormalize2()

SIMD_FORCE_INLINE btQuaternion shortestArcQuatNormalize2	(	btVector3 &	v0,
		btVector3 &	v1 )

Definition at line 959 of file btQuaternion.h.

References btVector3, and shortestArcQuat().

Referenced by getRotation().

slerp()

SIMD_FORCE_INLINE btQuaternion slerp	(	const btQuaternion &	q1,
		const btQuaternion &	q2,
		const btScalar &	t )

Return the result of spherical linear interpolation betwen two quaternions.

Parameters

q1	The first quaternion
q2	The second quaternion
t	The ration between q1 and q2. t = 0 return q1, t=1 returns q2 Slerp assumes constant velocity between positions.

Definition at line 920 of file btQuaternion.h.

References btQuaternion::slerp().