def apply(node):
if _am.valid() :
return
if node.getUpdateCallback() :
b = dynamic_cast<osgAnimation.AnimationManagerBase*>(node.getUpdateCallback())
if b :
_am = osgAnimation.BasicAnimationManager(*b)
return
traverse(node)
class AnimationManagerFinder (osg.NodeVisitor) :
_am = osgAnimation.BasicAnimationManager()
AnimationManagerFinder() : osg.NodeVisitor(osg.NodeVisitor.TRAVERSE_ALL_CHILDREN)
def apply(node):
if _am.valid() :
return
if node.getUpdateCallback() :
b = dynamic_cast<osgAnimation.AnimationManagerBase*>(node.getUpdateCallback())
if b :
_am = osgAnimation.BasicAnimationManager(*b)
return
traverse(node)
updatecb.getStackedTransforms().push_back(osgAnimation.StackedTranslateElement("position"))
updatecb.getStackedTransforms().push_back(osgAnimation.StackedRotateAxisElement("euler",osg.Vec3(1,0,0),0))
#connect the UpdateMatrixTransform callback to the MatrixTRanform
trans.setUpdateCallback(updatecb)
#initialize MatrixTranform
trans.setMatrix(osg.Matrix.identity())
#append geometry node
trans.addChild (geode)
root.addChild (axe)
root.addChild (trans)
# Define a scheduler for our animations
grp = osg.Group()
#add the animation manager to the scene graph to get it called during update traversals
mng = osgAnimation.BasicAnimationManager()
grp.setUpdateCallback(mng)
#add the rest of the scene to the grp node
grp.addChild(root)
# And we finaly define our channel for linear Vector interpolation
channelAnimation1 = osgAnimation.Vec3LinearChannel()
#name of the AnimationUpdateCallback
channelAnimation1.setTargetName("AnimatedCallback")
#name of the StackedElementTransform for position modification
channelAnimation1.setName("position")
#Create keyframes for (in this case linear) interpolation of a osg.Vec3
channelAnimation1.getOrCreateSampler().getOrCreateKeyframeContainer().push_back(osgAnimation.Vec3Keyframe(0, osg.Vec3(0,0,0)))
channelAnimation1.getOrCreateSampler().getOrCreateKeyframeContainer().push_back(osgAnimation.Vec3Keyframe(2, osg.Vec3(1,1,0)))
anim1 = osgAnimation.Animation()
anim1.addChannel(channelAnimation1)