def setDefaults(self):
self.target = "ERROR"
self.shape = "box"
self.boxsize = vs.Vector(0, 0, 0)
self.boxcenter = vs.Vector(0, 0, 0)
self.margin = 0.04
self.bounce = 0.25
self.friction = 0.9
self.mass = 1
self.lindamp = 0.05
self.rotdamp = 0.1
def SetTransformAtTime(dag, time, transform): pos = vs.Vector() quat = vs.Quaternion() vs.MatrixPosition(transform, pos) vs.MatrixQuaternion(transform, quat) SetValueAtTime(dag.FindTransformControl().GetPositionChannel(), time, pos) SetValueAtTime(dag.FindTransformControl().GetOrientationChannel(), time, quat)
def TransformToPosQuat(transform): pos = vs.Vector() quat = vs.Quaternion() vs.MatrixPosition(transform, pos) vs.MatrixQuaternion(transform, quat) return pos, quat
def ComputeVectorBetweenBones(boneA, boneB, scaleFactor):
vPosA = vs.Vector(0, 0, 0)
boneA.GetAbsPosition(vPosA)
vPosB = vs.Vector(0, 0, 0)
boneB.GetAbsPosition(vPosB)
vDir = vs.Vector(0, 0, 0)
vs.mathlib.VectorSubtract(vPosB, vPosA, vDir)
vDir.NormalizeInPlace()
vScaledDir = vs.Vector(0, 0, 0)
vs.mathlib.VectorScale(vDir, scaleFactor, vScaledDir)
return vScaledDir
def TransformToPosEuler(transform): pos = vs.Vector() quat = vs.Quaternion() vs.MatrixPosition(transform, pos) vs.MatrixQuaternion(transform, quat) euler = vs.RadianEuler() vs.QuaternionAngles(quat, euler) return pos, euler
def listToVector(tup):
return vs.Vector(tup[0], tup[1], tup[2])
def testFusionIMU(self):
acc = vs.Vector(0, 0, 1)
gyr = vs.Vector(0, 0, 0)
fusionIMU = vs.FusionIMU()
q = fusionIMU.init(acc, 0)
qTarget = vs.Quat(1., 0, 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
angle = math.pi / 3
acc = vs.Vector(0, math.sin(angle), math.cos(angle))
q = fusionIMU.init(acc, 0)
qTarget = vs.Quat(math.cos(angle / 2.), math.sin(angle / 2.), 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
acc = vs.Vector(0, -math.sin(angle), math.cos(angle))
q = fusionIMU.init(acc, 0)
qTarget = vs.Quat(math.cos(angle / 2.), -math.sin(angle / 2.), 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
acc = vs.Vector(math.sin(angle), 0, math.cos(angle))
q = fusionIMU.init(acc, 0)
qTarget = vs.Quat(math.cos(angle / 2.), 0, -math.sin(angle / 2.), 0)
self.checkAlmostEqualQuaternions(q, qTarget)
acc = vs.Vector(-math.sin(angle), 0, math.cos(angle))
q = fusionIMU.init(acc, 0)
qTarget = vs.Quat(math.cos(angle / 2.), 0, math.sin(angle / 2.), 0)
self.checkAlmostEqualQuaternions(q, qTarget)
# use accelerometer only
fusionIMU.setFusionFactor(1) # discard gyroscope during fusion
acc = vs.Vector(0, 0, 1)
q = fusionIMU.init(acc, 1000000)
qTarget = vs.Quat(1, 0, 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
acc = vs.Vector(0, math.sin(angle), math.cos(angle))
gyr = vs.Vector(1, 1, 1)
q = fusionIMU.update(gyr, acc, 2000000)
qTarget = vs.Quat(math.cos(angle / 2.), math.sin(angle / 2.), 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
# use gyroscope only
fusionIMU.setFusionFactor(0) # discard accelerometer during fusion
acc = vs.Vector(0, 0, 1)
q = fusionIMU.init(acc, 1000000)
qTarget = vs.Quat(1, 0, 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
acc = vs.Vector(0, 0, 1)
gyr = vs.Vector(angle, 0, 0)
q = fusionIMU.update(gyr, acc,
1033333) # integrate only during 1/30 of a second
qTarget = vs.Quat(math.cos(angle / (2. * 30.)),
math.sin(angle / (2. * 30.)), 0, 0)
self.checkAlmostEqualQuaternions(q, qTarget)
def CreateReverseFoot(controlName, sideName, gameModel, animSet, shot,
helperControlGroup, footControlGroup):
# Cannot create foot controls without heel position, so check for that first
heelAttachName = "pvt_heel_" + sideName
if (gameModel.FindAttachment(heelAttachName) == 0):
print "Could not create foot control " + controlName + ", model is missing heel attachment point: " + heelAttachName
return None
footRollDefault = 0.5
rotationAxis = vs.Vector(0, 0, 1)
# Construct the name of the dag nodes of the foot and toe for the specified side
footName = "rig_foot_" + sideName
toeName = "rig_toe_" + sideName
# Get the world space position and orientation of the foot and toe
footPos = sfm.GetPosition(footName)
footRot = sfm.GetRotation(footName)
toePos = sfm.GetPosition(toeName)
# Setup the reverse foot hierarchy such that the foot is the parent of all the foot transforms, the
# reverse heel is the parent of the heel, so it can be used for rotations around the ball of the
# foot that will move the heel, the heel is the parent of the foot IK handle so that it can perform
# rotations around the heel and move the foot IK handle, resulting in moving all the foot bones.
# root
# + rig_foot_R
# + rig_knee_R
# + rig_reverseHeel_R
# + rig_heel_R
# + rig_footIK_R
# Construct the reverse heel joint this will be used to rotate the heel around the toe, and as
# such is positioned at the toe, but using the rotation of the foot which will be its parent,
# so that it has no local rotation once parented to the foot.
reverseHeelName = "rig_reverseHeel_" + sideName
reverseHeelDag = sfm.CreateRigHandle(reverseHeelName,
pos=toePos,
rot=footRot,
rotControl=False)
sfmUtils.Parent(reverseHeelName, footName, vs.REPARENT_LOGS_OVERWRITE)
# Construct the heel joint, this will be used to rotate the foot around the back of the heel so it
# is created at the heel location (offset from the foot) and also given the rotation of its parent.
heelName = "rig_heel_" + sideName
vecHeelPos = gameModel.ComputeAttachmentPosition(heelAttachName)
heelPos = [vecHeelPos.x, vecHeelPos.y, vecHeelPos.z]
heelRot = sfm.GetRotation(reverseHeelName)
heelDag = sfm.CreateRigHandle(heelName,
pos=heelPos,
rot=heelRot,
posControl=True,
rotControl=False)
sfmUtils.Parent(heelName, reverseHeelName, vs.REPARENT_LOGS_OVERWRITE)
# Create the ik handle which will be used as the target for the ik chain for the leg
ikHandleName = "rig_footIK_" + sideName
ikHandleDag = sfmUtils.CreateHandleAt(ikHandleName, footName)
sfmUtils.Parent(ikHandleName, heelName, vs.REPARENT_LOGS_OVERWRITE)
# Create an orient constraint which causes the toe's orientation to match the foot's orientation
footRollControlName = controlName + "_" + sideName
toeOrientTarget = sfm.OrientConstraint(footName,
toeName,
mo=True,
controls=False)
footRollControl, footRollValue = sfmUtils.CreateControlledValue(
footRollControlName, "value", vs.AT_FLOAT, footRollDefault, animSet,
shot)
# Create the expressions to re-map the footroll slider value for use in the constraint and rotation operators
toeOrientExprName = "expr_toeOrientEnable_" + sideName
toeOrientExpr = sfmUtils.CreateExpression(
toeOrientExprName, "inrange( footRoll, 0.5001, 1.0 )", animSet)
toeOrientExpr.SetValue("footRoll", footRollDefault)
toeRotateExprName = "expr_toeRotation_" + sideName
toeRotateExpr = sfmUtils.CreateExpression(
toeRotateExprName, "max( 0, (footRoll - 0.5) ) * 140", animSet)
toeRotateExpr.SetValue("footRoll", footRollDefault)
heelRotateExprName = "expr_heelRotation_" + sideName
heelRotateExpr = sfmUtils.CreateExpression(
heelRotateExprName, "max( 0, (0.5 - footRoll) ) * -100", animSet)
heelRotateExpr.SetValue("footRoll", footRollDefault)
# Create a connection from the footroll value to all of the expressions that require it
footRollConnName = "conn_footRoll_" + sideName
footRollConn = sfmUtils.CreateConnection(footRollConnName, footRollValue,
"value", animSet)
footRollConn.AddOutput(toeOrientExpr, "footRoll")
footRollConn.AddOutput(toeRotateExpr, "footRoll")
footRollConn.AddOutput(heelRotateExpr, "footRoll")
# Create the connection from the toe orientation enable expression to the target weight of the
# toe orientation constraint, this will turn the constraint on an off based on the footRoll value
toeOrientConnName = "conn_toeOrientExpr_" + sideName
toeOrientConn = sfmUtils.CreateConnection(toeOrientConnName, toeOrientExpr,
"result", animSet)
toeOrientConn.AddOutput(toeOrientTarget, "targetWeight")
# Create a rotation constraint to drive the toe rotation and connect its input to the
# toe rotation expression and connect its output to the reverse heel dag's orientation
toeRotateConstraintName = "rotationConstraint_toe_" + sideName
toeRotateConstraint = sfmUtils.CreateRotationConstraint(
toeRotateConstraintName, rotationAxis, reverseHeelDag, animSet)
toeRotateExprConnName = "conn_toeRotateExpr_" + sideName
toeRotateExprConn = sfmUtils.CreateConnection(toeRotateExprConnName,
toeRotateExpr, "result",
animSet)
toeRotateExprConn.AddOutput(toeRotateConstraint, "rotations", 0)
# Create a rotation constraint to drive the heel rotation and connect its input to the
# heel rotation expression and connect its output to the heel dag's orientation
heelRotateConstraintName = "rotationConstraint_heel_" + sideName
heelRotateConstraint = sfmUtils.CreateRotationConstraint(
heelRotateConstraintName, rotationAxis, heelDag, animSet)
heelRotateExprConnName = "conn_heelRotateExpr_" + sideName
heelRotateExprConn = sfmUtils.CreateConnection(heelRotateExprConnName,
heelRotateExpr, "result",
animSet)
heelRotateExprConn.AddOutput(heelRotateConstraint, "rotations", 0)
if (helperControlGroup != None):
sfmUtils.AddDagControlsToGroup(helperControlGroup, reverseHeelDag,
ikHandleDag, heelDag)
if (footControlGroup != None):
footControlGroup.AddControl(footRollControl)
return ikHandleDag
def as_vsVector(self):
return vs.Vector(*self)
def btToVsVector(vec):
return vs.Vector(vec.x() * unitsPerMeter,
vec.y() * unitsPerMeter,
vec.z() * unitsPerMeter)
# Test getting the position and rotatation of a dag
cubePos = animUtils.GetDagPosition(DagList(cubeDag), vs.TS_WORLD_SPACE)
cubeRot = animUtils.GetDagRotation(DagList(cubeDag), vs.TS_WORLD_SPACE)
print cubePos
print cubeRot
# Create a test dag
testDag = animUtils.CreateDag("testDag", vs.vec3_origin, vs.quat_identity)
print testDag
# Test creating a dag list with multiple dag nodes
dagList = vs.DagList(cubeDag, sphereDag, testDag)
# Move the test dag
animUtils.TransformDagNodes(vs.Vector(5, 5, 5), vs.quat_identity,
DagList(testDag), False,
vs.dmeutils.TS_WORLD_SPACE)
testPos = animUtils.GetDagPosition(DagList(testDag), vs.TS_WORLD_SPACE)
print testPos
# Constrain the test dag, this should overwrite the position of the test dag
testConstraint = animUtils.CreatePointConstraint("testConstraint", testDag,
DagList(cubeDag), False, 1.0)
print testConstraint
testPos = animUtils.GetDagPosition(DagList(testDag), vs.TS_WORLD_SPACE)
print testPos
# Generate log samples for the test dag evaluating the constraint
animUtils.GenerateLogSamples(testDag, None, True, True)
