# KinematicConstraint(Constraint)

base classes — `bpy_struct`, `Constraint`

class `bpy.types.``KinematicConstraint`(Constraint)

  Inverse Kinematics

  `chain_count`

    How many bones are included in the IK effect - 0 uses all bones

    Type: | int in [0, 255], default 0

  `distance`

    Radius of limiting sphere

    Type: | float in [0, 100], default 0.0

  `ik_type`

    Type: | enum in [‘COPY_POSE’, ‘DISTANCE’], default ‘COPY_POSE’

  `iterations`

    Maximum number of solving iterations

    Type: | int in [0, 10000], default 0

  `limit_mode`

    Distances in relation to sphere of influence to allow

    - `LIMITDIST_INSIDE` Inside, The object is constrained inside a virtual sphere around the target object, with a radius defined by the limit distance.
    - `LIMITDIST_OUTSIDE` Outside, The object is constrained outside a virtual sphere around the target object, with a radius defined by the limit distance.
    - `LIMITDIST_ONSURFACE` On Surface, The object is constrained on the surface of a virtual sphere around the target object, with a radius defined by the limit distance.

    Type: | enum in [‘LIMITDIST_INSIDE’, ‘LIMITDIST_OUTSIDE’, ‘LIMITDIST_ONSURFACE’], default ‘LIMITDIST_INSIDE’

  `lock_location_x`

    Constraint position along X axis

    Type: | boolean, default False

  `lock_location_y`

    Constraint position along Y axis

    Type: | boolean, default False

  `lock_location_z`

    Constraint position along Z axis

    Type: | boolean, default False

  `lock_rotation_x`

    Constraint rotation along X axis

    Type: | boolean, default False

  `lock_rotation_y`

    Constraint rotation along Y axis

    Type: | boolean, default False

  `lock_rotation_z`

    Constraint rotation along Z axis

    Type: | boolean, default False

  `orient_weight`

    For Tree-IK: Weight of orientation control for this target

    Type: | float in [0.01, 1], default 0.0

  `pole_angle`

    Pole rotation offset

    Type: | float in [-3.14159, 3.14159], default 0.0

  `pole_subtarget`

    Type: | string, default “”, (never None)

  `pole_target`

    Object for pole rotation

    Type: | `Object`

  `reference_axis`

    Constraint axis Lock options relative to Bone or Target reference

    Type: | enum in [‘BONE’, ‘TARGET’], default ‘BONE’

  `subtarget`

    Armature bone, mesh or lattice vertex group, …

    Type: | string, default “”, (never None)

  `target`

    Target object

    Type: | `Object`

  `use_location`

    Chain follows position of target

    Type: | boolean, default False

  `use_rotation`

    Chain follows rotation of target

    Type: | boolean, default False

  `use_stretch`

    Enable IK Stretching

    Type: | boolean, default False

  `use_tail`

    Include bone’s tail as last element in chain

    Type: | boolean, default False

  `weight`

    For Tree-IK: Weight of position control for this target

    Type: | float in [0.01, 1], default 0.0

  classmethod `bl_rna_get_subclass`(id, default=None)

    Parameters: | id (string) – The RNA type identifier.
    Returns: | The RNA type or default when not found.
    Return type: | `bpy.types.Struct` subclass

  classmethod `bl_rna_get_subclass_py`(id, default=None)

    Parameters: | id (string) – The RNA type identifier.
    Returns: | The class or default when not found.
    Return type: | type

Inherited Properties

`bpy_struct.id_data` `Constraint.name` `Constraint.type` `Constraint.owner_space` `Constraint.target_space` `Constraint.mute` `Constraint.show_expanded` | `Constraint.is_valid` `Constraint.active` `Constraint.is_proxy_local` `Constraint.influence` `Constraint.error_location` `Constraint.error_rotation`

Inherited Functions

`bpy_struct.as_pointer` `bpy_struct.driver_add` `bpy_struct.driver_remove` `bpy_struct.get` `bpy_struct.is_property_hidden` `bpy_struct.is_property_overridable_library` `bpy_struct.is_property_readonly` `bpy_struct.is_property_set` `bpy_struct.items` `bpy_struct.keyframe_delete` | `bpy_struct.keyframe_insert` `bpy_struct.keys` `bpy_struct.path_from_id` `bpy_struct.path_resolve` `bpy_struct.pop` `bpy_struct.property_overridable_library_set` `bpy_struct.property_unset` `bpy_struct.type_recast` `bpy_struct.values`