#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...
Functions
SIMD_FORCE_INLINE btQuaternion	operator- (const btQuaternion &q)
	Return the negative of a quaternion.
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	angle (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)

Function Documentation

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

Return the angle between two quaternions.

Definition at line 371 of file btQuaternion.h.

References btQuaternion::angle().

Referenced by add_render_lamp(), applyModifier(), applyTranslation(), ATTRIBUTE_ALIGNED16(), axisProjection(), basic_rotate(), BLF_rotation(), BLF_rotation_default(), boid_body(), btAtan2Fast(), btGetAngle(), C_Matrix_Rotation(), cache_key_incremental_rotation(), calc_radial_symmetry_feather(), btTransformUtil::calculateVelocity(), btTransformUtil::calculateVelocityQuaternion(), check_zone(), TransformReader::dae_rotate_to_mat4(), dblur(), do_chroma_key(), do_guides(), do_rotate_brush(), draw_rotation_guide(), draw_spot_cone(), drawArc(), btIDebugDraw::drawArc(), drawHelpline(), dvar_eval_rotDiff(), EM_make_hq_normals(), Euler_rotate_axis(), AnimationImporter::evaluate_animation(), extrawindow_spin_cursor(), filterSmartReebGraph(), flyApply_ndof(), gearGL(), KDL::Rotation::GetRotAngle(), glutil_draw_filled_arc(), glutil_draw_lined_arc(), gpu_lamp_from_blender(), Handle_set_cone_angle_inner(), Handle_set_cone_angle_outer(), InputAngle(), load_tex(), make_bevel_list_3D_minimum_twist(), makebevelcurve(), makeshadowbuf(), mat3_to_quat_is_ok(), mul_fac_qt_fl(), ndof_orbit_invoke(), ndof_to_quat(), node_composit_exec_movieclip(), node_composit_exec_stabilize2d(), p_chart_fill_boundary(), p_edge_boundary_angle(), pivotcon_evaluate(), project_from_camera(), project_paint_uvpixel_mask(), py_blf_rotation(), Quaternion_angle_get(), Quaternion_angle_set(), Quaternion_axis_vector_set(), Quaternion_new(), Quaternion_to_axis_angle(), regular_polygon_sample(), Rot(), rotation_between_vecs_to_quat(), RotationBetween(), select_linked_flat_faces(), select_sharp_edges_exec(), AUD_SequencerEntry::setConeAngleInner(), AUD_SequencerEntry::setConeAngleOuter(), AUD_ChannelMapperReader::setMonoAngle(), shadeHaloFloat(), similar_edge_select__internal(), similar_face_select__internal(), similar_vert_select_exec(), sk_detectDeleteGesture(), sk_detectReverseGesture(), sk_detectTrimGesture(), sk_drawEdge(), sk_drawNormal(), spotvolume(), stabilization_auto_scale_factor(), test_manipulator_axis(), btGeneric6DofConstraint::testAngularLimitMotor(), testRadialSymmetry(), tex_strength(), tri_to_quat(), uiStyleFontDrawRotated(), vec_to_quat(), view3d_align_axis_to_vector(), viewrotate_apply(), visualkey_get_value(), and WardIso_Spec().

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

Calculate the dot product between two quaternions.

Definition at line 356 of file btQuaternion.h.

References btQuaternion::dot().

SIMD_FORCE_INLINE btQuaternion inverse ( const btQuaternion & q )

Return the inverse of a quaternion.

Definition at line 378 of file btQuaternion.h.

References btQuaternion::inverse().

Referenced by AngularImpulseMatrix(), drawspiral(), ImpulseMatrix(), KX_GameObject::NodeSetGlobalOrientation(), and btConeTwistConstraint::setMotorTarget().

SIMD_FORCE_INLINE btScalar length ( const btQuaternion & q )

Return the length of a quaternion.

Definition at line 364 of file btQuaternion.h.

References btQuaternion::length().

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

Return the product of two quaternions.

Definition at line 329 of file btQuaternion.h.

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

Definition at line 346 of file btQuaternion.h.

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

Definition at line 337 of file btQuaternion.h.

SIMD_FORCE_INLINE btQuaternion operator- ( const btQuaternion & q )

Return the negative of a quaternion.

Definition at line 320 of file btQuaternion.h.

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

Definition at line 395 of file btQuaternion.h.

References btQuaternion::inverse().

Referenced by ATTRIBUTE_ALIGNED16(), btAdjustInternalEdgeContacts(), btConeTwistConstraint::calcAngleInfo(), btConeTwistConstraint::calcAngleInfo2(), btConeTwistConstraint::GetPointForAngle(), btConnectivityProcessor::processTriangle(), and btConeTwistConstraint::setMotorTargetInConstraintSpace().

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

Definition at line 403 of file btQuaternion.h.

References btPlaneSpace1(), btSqrt(), simple_enum_gen::d, and SIMD_EPSILON.

Referenced by ATTRIBUTE_ALIGNED16(), btConeTwistConstraint::calcAngleInfo(), btConeTwistConstraint::calcAngleInfo2(), btConeTwistConstraint::setMotorTargetInConstraintSpace(), and shortestArcQuatNormalize2().

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

Definition at line 422 of file btQuaternion.h.

References btQuaternion::normalize(), and shortestArcQuat().

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 389 of file btQuaternion.h.

References btQuaternion::slerp().

btQuaternion.h File Reference

Classes

Functions

Function Documentation