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

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. More...

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. More...

SIMD_FORCE_INLINE btScalar	length (const btQuaternion &q)
	Return the length of a quaternion. More...

SIMD_FORCE_INLINE btScalar	btAngle (const btQuaternion &q1, const btQuaternion &q2)
	Return the angle between two quaternions. More...

SIMD_FORCE_INLINE btQuaternion	inverse (const btQuaternion &q)
	Return the inverse of a quaternion. More...

SIMD_FORCE_INLINE btQuaternion	slerp (const btQuaternion &q1, const btQuaternion &q2, const btScalar &t)
	Return the result of spherical linear interpolation betwen two quaternions. More...

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.

◆ 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 q1.

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 q1.

◆ 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 iTaSC::Cache::addCacheItem(), iTaSC::Cache::addCacheVectorIfDifferent(), annotation_stroke_arrow_calc_points_segment(), btSoftBody::appendLink(), apply_lengths_iter(), arrayModifier_doArray(), base_callback(), bevel_build_cutoff(), bind_fallback_shader(), BKE_icon_geom_invert_lightness(), BKE_id_attribute_new(), BKE_id_attribute_remove(), BKE_id_attributes_length(), BKE_nurb_calc_length(), BKE_pchan_bbone_handles_compute(), BKE_pchan_bbone_spline_compute(), BLI_edgehash_popkey(), BLI_mmap_open(), BLI_mmap_read(), BLI_utf8_invalid_byte(), BLI_utf8_invalid_strip(), 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(), btAdjustInternalEdgeContacts(), btComputeGjkEpaPenetration(), btContinuousConvexCollision::calcTimeOfImpact(), calculate_point_length(), BVHUnaligned::compute_aligned_space(), IK_QPositionTask::ComputeJacobian(), convert_tree(), debugDrawConstraint(), btSoftBody::defaultCollisionHandler(), dfdx_spring(), distribute_simple_children(), do_kink(), do_path_effectors(), draw_axes(), draw_bone_update_disp_matrix_bbone(), draw_bone_update_disp_matrix_custom(), draw_bone_update_disp_matrix_default(), drawArrow(), drw_shgroup_uniform(), drw_shgroup_uniform_create_ex(), ED_armature_ebone_add_primitive(), ED_buttons_tabs_list(), ED_gpencil_trace_data_to_strokes(), ED_node_tree_path_length(), ED_select_similar_compare_float_tree(), edge_wind_vertex(), execute_posetree(), execute_scene(), extract_range_task_create(), extrapolate_points_by_length(), fb(), fbderiv(), fbstar(), fbstar_jacobi(), iTaSC::Armature::finalize(), flip_names(), float_array_to_string(), get_limit_motor_info2(), getAngularMotionDisc(), getBoundingSphere(), btGjkPairDetector::getClosestPointsNonVirtual(), Freestyle::ViewEdge::getLength2D(), blender::gpu::GLDrawList::GLDrawList(), gpencil_stroke_editcurve_generate_edgecases(), gpencil_stroke_sample_exec(), GPU_indexbuf_create_subrange(), GPU_indexbuf_create_subrange_in_place(), hair_create_input_mesh(), handle_app1(), GHOST_SystemCocoa::handleKeyEvent(), IK_SetTransform(), blender::gpu::IndexBuf::init_subrange(), initialize2(), InputCustomRatioFlip(), Interface1D_length_2d_get(), iterate_lengths_iter(), kernel_shader_sort(), line_directive(), BlenderSmokeLoader::load_pixels(), BlenderPointDensityLoader::load_pixels(), nlaevalchan_detect_mix_mode(), nlaevalchan_get_default_values(), nlaevalchan_snapshot_new(), nlaevalchan_verify_key(), nlasnapshot_blend(), nlastrip_get_frame_transition(), Normalize(), osx_user_locale(), p_smooth(), paint_line_strokes_spacing(), paint_space_stroke(), paint_space_stroke_spacing_variable(), plane_to_point_vector_v3_normalized(), btSoftColliders::CollideVF_SS::Process(), btConnectivityProcessor::processTriangle(), gjkepa2_impl::GJK::projectorigin(), GJK< btConvexTemplate >::projectorigin(), 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_get_particle_on_path(), psys_hair_use_simulation(), PyC_AsArray(), PyC_AsArray_FAST(), 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(), ReadData(), btSoftBody::resetLinkRestLengths(), rna_array_lookup_int(), 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_alloc(), RNA_property_string_get_default_alloc(), scale_point_to_length(), scale_points_to_length(), set_device_override_func(), setting_get_rna_values(), 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(), spring_grad_dir(), spring_length(), time_human_readable_to_seconds(), txt_extended_ascii_as_utf8(), txt_sel_to_buf(), txt_to_buf(), ui_but_get_pasted_text_from_clipboard(), UI_draw_anti_fan(), unit_as_string_main(), and WriteData().

◆ 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, Freestyle::B1(), Freestyle::B2(), Freestyle::B3(), 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, A2, Freestyle::B1(), Freestyle::B2(), Freestyle::B3(), and q1.

◆ 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, Freestyle::B1(), Freestyle::B2(), Freestyle::B3(), 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(), calcAngleInfo(), calcAngleInfo2(), compTreeLinkVelocities(), btRigidBody::computeGyroscopicImpulseImplicit_Body(), btMultiBodyGearConstraint::createConstraintRows(), btMultiBodyJointLimitConstraint::createConstraintRows(), btMultiBodyJointMotor::createConstraintRows(), btMultiBodySliderConstraint::createConstraintRows(), btMultiBodyDynamicsWorld::debugDrawWorld(), GetPointForAngle(), btConnectivityProcessor::processTriangle(), setAxis(), setMotorTarget(), setMotorTargetInConstraintSpace(), btMultibodyLink::updateCacheMultiDof(), updateCollisionObjectInterpolationWorldTransforms(), updateCollisionObjectWorldTransforms(), and btMultibodyLink::updateInterpolationCacheMultiDof().

◆ shortestArcQuat()

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

Definition at line 940 of file btQuaternion.h.

References btPlaneSpace1(), btSqrt(), btVector3, Freestyle::c, SIMD_EPSILON, and v1.

Referenced by 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 btQuaternion::normalize(), shortestArcQuat(), and v1.

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 q1, and t.

Classes

Macros

Functions