def BuildFKRig(parent, crv, ppg, side=MIDDLE, simple=False):
prefix = 'M_'
if side == LEFT:
prefix = 'L_'
elif side == RIGHT:
prefix = 'R_'
r = ppg.Parameters('{}ColorR_FK'.format(prefix)).Value
g = ppg.Parameters('{}ColorG_FK'.format(prefix)).Value
b = ppg.Parameters('{}ColorB_FK'.format(prefix)).Value
model = parent.Model
builder = model.Properties('RigBuilder')
if not builder:
XSI.LogMessage('[RigControl] Invalid parent object, aborted !')
return False
elem_ppg = crv.Properties('RigElement')
if not elem_ppg:
XSI.LogMessage(
'[RigControl] Guide curve is not a rig element, aborted !')
return False
ctrls = XSIFactory.CreateActiveXObject('XSI.Collection')
basename = crv.Name.replace('_Crv', '')
vertices = crv.ActivePrimitive.Geometry.Points
up_x = elem_ppg.Parameters('UpVectorX').Value
up_y = elem_ppg.Parameters('UpVectorY').Value
up_z = elem_ppg.Parameters('UpVectorZ').Value
up_vector = XSIMath.CreateVector3(up_x, up_y, up_z)
direction = XSIMath.CreateVector3()
for idx, vertex in enumerate(vertices):
transform = XSIMath.CreateTransform()
p0 = vertex.Position
transform.SetTranslation(p0)
if idx < vertices.Count - 1:
p1 = vertices[idx + 1].Position
direction.Sub(p1, p0)
direction.NormalizeInPlace()
rot = Utils.GetRotationFromTwoVectors(direction, up_vector)
transform.SetRotation(rot)
fk = Icon.simple(parent, '{}_FK{}_Ctrl'.format(basename, idx + 1),
[r, g, b], transform, p1)
else:
fk = Icon.simple(parent, '{}_FK{}_Ctrl'.format(basename, idx + 1),
[r, g, b], transform, p0)
parent = fk
ctrls.Add(fk)
Utils.ResetStaticKinematicState(ctrls)
XSI.SetNeutralPose(ctrls, 'siSRT', '')
Utils.GroupSetup(model, ctrls, inGroupName='FK_Rig')
return True
def BuildSRTRig(parent, crv, ppg, side=MIDDLE, simple=False):
prefix = 'M_'
if side == LEFT:
prefix = 'L_'
elif side == RIGHT:
prefix = 'R_'
r = ppg.Parameters('{}ColorR_FK'.format(prefix)).Value
g = ppg.Parameters('{}ColorG_FK'.format(prefix)).Value
b = ppg.Parameters('{}ColorB_FK'.format(prefix)).Value
model = parent.Model
builder = model.Properties('RigBuilder')
if not builder:
XSI.LogMessage('[RigControl] : Invalid Parent Object ---> Aborted!')
return False
elem_ppg = crv.Properties('RigElement')
if not elem_ppg:
XSI.LogMessage(
'[RigControl] : Guide Curve is NOT a Rig Element ---> Aborted!')
return False
controls = XSIFactory.CreateActiveXObject('XSI.Collection')
basename = crv.Name.replace('_Crv', '')
vertices = crv.ActivePrimitive.Geometry.Points
for idx, vertex in enumerate(vertices):
transform = XSIMath.CreateTransform()
p0 = vertex.Position
transform.SetTranslation(p0)
srt = Icon.IRIcon(parent, '{}{}_Ctrl'.format(basename, idx), transform,
[r, g, b], 'sphere', 0.1, 0.1, 0.1)
controls.Add(srt)
Utils.ResetStaticKinematicState(controls)
XSI.SetNeutralPose(controls, 'siSRT', '')
Utils.GroupSetup(model, controls, inGroupName='FK_Rig')
def BuildFootRollRig(parent, crv, ppg, side=MIDDLE, simple=False):
prefix = 'M_'
if side == LEFT:
prefix = 'L_'
elif side == RIGHT:
prefix = 'R_'
basename = crv.Name.replace("_Crv", "")
r = ppg.Parameters('{}ColorR_FK'.format(prefix)).Value
g = ppg.Parameters('{}ColorG_FK'.format(prefix)).Value
b = ppg.Parameters('{}ColorB_FK'.format(prefix)).Value
axis = XSIMath.CreateVector3()
d1 = XSIMath.CreateVector3()
d2 = XSIMath.CreateVector3()
points = crv.ActivePrimitive.Geometry.Points
pos = []
for point in points:
pos.append(point.Position)
last = points.Count - 1
d1.Sub(pos[1], pos[0])
d2.Sub(pos[last], pos[0])
d1.NormalizeInPlace()
d2.NormalizeInPlace()
axis.Cross(d1, d2)
# build root control
min_z = pos[0].Z
for i, point in enumerate(pos):
if i == 0:
continue
if point.Z < min_z:
min_z = point.Z
average = Utils.GetAveragePosition(pos)
average.Z = min_z
length = Utils.GetCurveLength(crv)
transform = XSIMath.CreateTransform()
transform.SetTranslation(average)
main = Icon.IRIcon(parent, '{}_MainControl'.format(basename), transform,
[r, g, b], 'circle', 0.5 * length, 0.5 * length,
0.5 * length)
parent = main
parents = []
ctrls = []
# build reverse structure
for i in range(0, last):
transform.SetTranslation(pos[last - i])
parent = Icon.IRIcon(parent, '{}{}{}_Ctrl'.format(prefix, basename, i),
transform, [r, g, b], 'bendedarrow2',
0.2 * length, 0.2 * length, 0.2 * length)
parents.append(parent)
ctrls.append(parent)
# build final control structure
fks = []
for i in range(0, last + 1):
transform.SetTranslation(pos[last - i])
if i == 0:
icon = Icon.IRIcon(main, '{}{}{}_Ctrl'.format(prefix, basename, i),
transform, [r, g, b], "sphere", 0.1 * length,
0.1 * length, 0.1 * length)
fks.append(icon)
ctrls.append(icon)
else:
icon = Icon.IRIcon(parents[i - 1],
'{}{}{}_Ctrl'.format(prefix, basename, i),
transform, [r, g, b], 'sphere', 0.1 * length,
0.1 * length, 0.1 * length)
fks.append(icon)
ctrls.append(icon)
Utils.ResetStaticKinematicState(fks)
Utils.GroupSetup(parent.Model, fks, 'IK_Rig')
XSI.SetNeutralPose(ctrls, 'siSRT', '')
Utils.GroupSetup(parent.Model, ctrls, 'Anim_Controls')
def BuildIK2BonesRig(parent, crv, ppg):
name = crv.Name.replace("_Crv", "")
side = MIDDLE
if name.find("L_", 0, 2) > -1:
side = LEFT
elif name.find("R_", 0, 2) > -1:
side = RIGHT
prefix = "M_"
if side == LEFT:
prefix = "L_"
elif side == RIGHT:
prefix = "R_"
ppg.Parameters("GlobalSize").Value
r = ppg.Parameters(prefix + "ColorR_IK").Value
g = ppg.Parameters(prefix + "ColorG_IK").Value
b = ppg.Parameters(prefix + "ColorB_IK").Value
pnts = crv.ActivePrimitive.Geometry.Points
if pnts.Count == 3:
p0 = pnts[0].Position
p1 = pnts[1].Position
p2 = pnts[2].Position
else:
last = pnts.Count - 1
p0 = pnts[0].Position
pos = []
for i in range(1, last):
pos.append(pnts[i].Position)
p1 = Utils.GetAveragePosition(pos)
p2 = pnts[last].Position
dir1 = XSIMath.CreateVector3()
dir1.Sub(p0, p1)
dir2 = XSIMath.CreateVector3()
dir2.Sub(p1, p2)
length = dir1.Length() + dir2.Length()
plane = XSIMath.CreateVector3()
plane.Cross(dir1, dir2)
plane.NormalizeInPlace()
offset = XSIMath.CreateVector3()
offset.Normalize(dir1)
offset.ScaleInPlace(-length * 0.5)
offset.AddInPlace(p1)
l1 = dir1.Length()
l2 = dir2.Length()
transform = XSIMath.CreateTransform()
transform.SetTranslation(p0)
root = Icon.IRIcon(parent, name + "_Root_Ctrl", transform, [r, g, b],
"cube", 0.1 * length, 0.1 * length, 0.1 * length)
ik = Utils.MakeRigNull(parent, 1, name + "_IK")
transform.SetTranslation(p1)
ik.Kinematics.Global.Transform = transform
tree = ICETree.CreateICETree(ik, "IK", 2)
ik_node = XSI.AddICECompoundNode("IK2BonesKinematics", tree)
XSI.ConnectICENodes(str(tree) + ".port1", str(ik_node) + ".Execute")
# set ik values
XSI.SetValue(
str(ik_node) + ".Reference", "this_model." + name + "_Root_Ctrl", "")
XSI.SetValue(
str(ik_node) + ".Reference1", "this_model." + name + "_Eff_Ctrl", "")
XSI.SetValue(
str(ik_node) + ".Reference2", "this_model." + name + "_UpV_Ctrl", "")
XSI.SetValue(str(ik_node) + ".LengthA", l1, "")
XSI.SetValue(str(ik_node) + ".LengthB", l2, "")
knee = Icon.IRIcon(ik, name + "_Knee_Ctrl", transform, [r, g, b], "sphere",
0.1 * length, 0.1 * length, 0.1 * length)
transform.SetTranslation(offset)
upv = Icon.IRIcon(root, name + "_UpV_Ctrl", transform, [r, g, b],
"pyramid", 0.05 * length, 0.05 * length, 0.05 * length)
transform.SetTranslation(p2)
eff = Icon.IRIcon(parent, name + "_Eff_Ctrl", transform, [r, g, b],
"square", length, length, length)
Utils.ResetStaticKinematicState([root, knee, eff])
Utils.GroupSetup(parent.Model, [root, knee, eff], "IK_Rig")
XSI.SetNeutralPose([root, knee, eff, upv], "siSRT", "")
