diff options
Diffstat (limited to 'release/scripts/modules/rigify/leg.py')
| -rw-r--r-- | release/scripts/modules/rigify/leg.py | 93 |
1 files changed, 48 insertions, 45 deletions
diff --git a/release/scripts/modules/rigify/leg.py b/release/scripts/modules/rigify/leg.py index 1228e2ed78a..92bce0f3c2c 100644 --- a/release/scripts/modules/rigify/leg.py +++ b/release/scripts/modules/rigify/leg.py @@ -16,12 +16,15 @@ # # ##### END GPL LICENSE BLOCK ##### +# <pep8 compliant> + import bpy -from rigify import bone_class_instance, copy_bone_simple, copy_bone_simple_list, add_pole_target_bone, add_stretch_to, blend_bone_list -from rna_prop_ui import rna_idprop_ui_get, rna_idprop_ui_prop_get +from rigify import bone_class_instance, copy_bone_simple, blend_bone_list +from rna_prop_ui import rna_idprop_ui_prop_get METARIG_NAMES = "hips", "thigh", "shin", "foot", "toe", "heel" + def metarig_template(): # generated by rigify.write_meta_rig bpy.ops.object.mode_set(mode='EDIT') @@ -67,6 +70,7 @@ def metarig_template(): pbone = obj.pose.bones['thigh'] pbone['type'] = 'leg' + def metarig_definition(obj, orig_bone_name): ''' The bone given is the first in a chain @@ -74,7 +78,7 @@ def metarig_definition(obj, orig_bone_name): eg. thigh -> shin -> foot -> [toe, heel] ''' - + bone_definition = [] orig_bone = obj.data.bones[orig_bone_name] @@ -85,8 +89,8 @@ def metarig_definition(obj, orig_bone_name): bone_definition.append(orig_bone_parent.name) bone_definition.append(orig_bone.name) - - + + bone = orig_bone chain = 0 while chain < 2: # first 2 bones only have 1 child @@ -97,7 +101,7 @@ def metarig_definition(obj, orig_bone_name): bone = children[0] bone_definition.append(bone.name) # shin, foot chain += 1 - + children = bone.children # Now there must be 2 children, only one connected if len(children) != 2: @@ -105,25 +109,24 @@ def metarig_definition(obj, orig_bone_name): if children[0].connected == children[1].connected: raise Exception("expected one bone to be connected") - + toe, heel = children if heel.connected: toe, heel = heel, toe - - + + bone_definition.append(toe.name) bone_definition.append(heel.name) - + if len(bone_definition) != len(METARIG_NAMES): raise Exception("internal problem, expected %d bones" % len(METARIG_NAMES)) - + return bone_definition def ik(obj, bone_definition, base_names): - from Mathutils import Vector arm = obj.data - + # setup the existing bones mt_chain = bone_class_instance(obj, ["thigh", "shin", "foot", "toe"]) mt = bone_class_instance(obj, ["hips", "heel"]) @@ -131,7 +134,7 @@ def ik(obj, bone_definition, base_names): ex = bone_class_instance(obj, ["thigh_socket", "thigh_hinge", "foot_roll_1", "foot_roll_2", "foot_roll_3"]) # children of ik_foot ik = bone_class_instance(obj, ["foot", "foot_roll", "foot_roll_01", "foot_roll_02", "knee_target"]) - + # XXX - duplicate below for bone_class in (mt, mt_chain): for attr in bone_class.attr_names: @@ -155,13 +158,13 @@ def ik(obj, bone_definition, base_names): ik.foot = ik.foot_e.name ik.foot_e.tail.z = ik.foot_e.head.z ik.foot_e.roll = 0.0 - + # heel pointing backwards, half length ik.foot_roll_e = copy_bone_simple(arm, mt.heel, "%s_roll" % base_foot_name) ik.foot_roll = ik.foot_roll_e.name ik.foot_roll_e.tail = ik.foot_roll_e.head + (ik.foot_roll_e.head - ik.foot_roll_e.tail) / 2.0 ik.foot_roll_e.parent = ik.foot_e # heel is disconnected - + # heel pointing forwards to the toe base, parent of the following 2 bones ik.foot_roll_01_e = copy_bone_simple(arm, mt.heel, "MCH-%s_roll.01" % base_foot_name) ik.foot_roll_01 = ik.foot_roll_01_e.name @@ -174,20 +177,20 @@ def ik(obj, bone_definition, base_names): ik.foot_roll_02_e.parent = ik.foot_roll_01_e # heel is disconnected ik.foot_roll_02_e.head = mt_chain.foot_e.tail ik.foot_roll_02_e.tail = mt.heel_e.head - + del base_foot_name - + # rename 'MCH-toe' --> to 'toe_ik' and make the child of ik.foot_roll_01 # ------------------ FK or IK? ik_chain.rename("toe", base_names[mt_chain.toe] + "_ik") ik_chain.toe_e.connected = False ik_chain.toe_e.parent = ik.foot_roll_01_e - - # re-parent ik_chain.foot to the + + # re-parent ik_chain.foot to the ik_chain.foot_e.connected = False ik_chain.foot_e.parent = ik.foot_roll_02_e - - + + # knee target is the heel moved up and forward on its local axis ik.knee_target_e = copy_bone_simple(arm, mt.heel, "knee_target") ik.knee_target = ik.knee_target_e.name @@ -209,7 +212,7 @@ def ik(obj, bone_definition, base_names): ex.update() mt_chain.update() ik_chain.update() - + # IK con = ik_chain.shin_p.constraints.new('IK') con.chain_length = 2 @@ -220,52 +223,51 @@ def ik(obj, bone_definition, base_names): con.use_target = True con.use_rotation = False con.weight = 1.0 - + con.target = obj con.subtarget = ik.foot - + con.pole_target = obj con.pole_subtarget = ik.knee_target - + # foot roll cons = [ \ (ik.foot_roll_01_p.constraints.new('COPY_ROTATION'), ik.foot_roll_01_p.constraints.new('LIMIT_ROTATION')), \ - (ik.foot_roll_02_p.constraints.new('COPY_ROTATION'), ik.foot_roll_02_p.constraints.new('LIMIT_ROTATION')) - ] - + (ik.foot_roll_02_p.constraints.new('COPY_ROTATION'), ik.foot_roll_02_p.constraints.new('LIMIT_ROTATION'))] + for con, con_l in cons: con.target = obj con.subtarget = ik.foot_roll con.use_x, con.use_y, con.use_z = True, False, False con.target_space = con.owner_space = 'LOCAL' - + con = con_l con.use_limit_x, con.use_limit_y, con.use_limit_z = True, False, False con.owner_space = 'LOCAL' - + if con_l is cons[-1][-1]: con.minimum_x = 0.0 con.maximum_x = 180.0 # XXX -deg else: con.minimum_x = -180.0 # XXX -deg con.maximum_x = 0.0 - + bpy.ops.object.mode_set(mode='EDIT') - + return None, ik_chain.thigh, ik_chain.shin, ik_chain.foot, ik_chain.toe, None def fk(obj, bone_definition, base_names): from Mathutils import Vector arm = obj.data - + # these account for all bones in METARIG_NAMES mt_chain = bone_class_instance(obj, ["thigh", "shin", "foot", "toe"]) mt = bone_class_instance(obj, ["hips", "heel"]) - + # new bones ex = bone_class_instance(obj, ["thigh_socket", "thigh_hinge"]) - + for bone_class in (mt, mt_chain): for attr in bone_class.attr_names: i = METARIG_NAMES.index(attr) @@ -280,11 +282,11 @@ def fk(obj, bone_definition, base_names): ex.thigh_hinge_e = copy_bone_simple(arm, mt_chain.thigh, "MCH-%s_hinge" % base_names[mt_chain.thigh], parent=True) ex.thigh_hinge = ex.thigh_hinge_e.name ex.thigh_hinge_e.tail = ex.thigh_hinge_e.head + Vector(0.0, 0.0, mt_chain.thigh_e.head.length) - ex.thigh_hinge_e.translate(Vector(-(mt.hips_e.head.x - mt_chain.thigh_e.head.x), 0.0, 0.0)) + ex.thigh_hinge_e.translate(Vector( - (mt.hips_e.head.x - mt_chain.thigh_e.head.x), 0.0, 0.0)) ex.thigh_hinge_e.length = mt.hips_e.length - + fk_chain = mt_chain.copy() # fk has no prefix! - + fk_chain.thigh_e.connected = False fk_chain.thigh_e.parent = ex.thigh_hinge_e @@ -303,14 +305,14 @@ def fk(obj, bone_definition, base_names): fk_chain.thigh_p["hinge"] = 0.5 prop["soft_min"] = 0.0 prop["soft_max"] = 1.0 - + con = ex.thigh_hinge_p.constraints.new('COPY_ROTATION') con.target = obj con.subtarget = mt.hips - + # add driver hinge_driver_path = fk_chain.thigh_p.path_to_id() + '["hinge"]' - + fcurve = con.driver_add("influence", 0) driver = fcurve.driver tar = driver.targets.new() @@ -324,15 +326,16 @@ def fk(obj, bone_definition, base_names): mod.poly_order = 1 mod.coefficients[0] = 1.0 mod.coefficients[1] = -1.0 - + bpy.ops.object.mode_set(mode='EDIT') - + # dont blend the hips or heel return None, fk_chain.thigh, fk_chain.shin, fk_chain.foot, fk_chain.toe, None + def main(obj, bone_definition, base_names): bones_ik = ik(obj, bone_definition, base_names) bones_fk = fk(obj, bone_definition, base_names) - + bpy.ops.object.mode_set(mode='OBJECT') blend_bone_list(obj, bone_definition, bones_ik, bones_fk) |