def __init__(self,
axis=osg.Vec3(0.0, 0.0, 1.0),
startangle=0.0,
speed=0.001):
self._angle = startangle
self._axis = axis
self._quat = osg.Quat()
self._speed = speed
osg.NodeCallback.__init__(self)
def createObjectFromImageList(pNode, pImageList, pBaseUrl=""):
"""
uses the image list to create a set of objects
"""
box_geometry = osg.Box()
box_drawable = osg.ShapeDrawable(box_geometry)
# create a random function for floating points
frandom = lambda x, y: random.randrange(x, y, int=types.FloatType)
print "Opening %d from %d images" % (maxphotos, len(pImageList))
for imgfile in [str(x) for x in pImageList[:maxphotos]]:
print "osgDB.readImageFile loading:", imgfile
image = osgDB.readImageFile(imgfile)
#check if the image is there, and not too small (icons and such)
if image and image.s() > 100.0 and image.t() > 100.0:
t = osg.TextureRectangle()
texmat = osg.TexMat()
texmat.setScaleByTextureRectangleSize(True)
t.setImage(image)
stateset = osg.StateSet()
stateset.setTextureAttributeAndModes(0, t, 1)
stateset.setTextureAttributeAndModes(0, texmat,
osg.StateAttribute.ON)
lbox_geode = osg.Geode()
lbox_geode.addDrawable(box_drawable)
lbox_geode.setStateSet(stateset)
lbox_node = osg.PositionAttitudeTransform()
lbox_node.addChild(lbox_geode)
rscale = frandom(5, 10)
lbox_node.setScale(
osg.Vec3d(image.s() / rscale, 0.5,
image.t() / rscale))
#set vertical
q = osg.Quat()
q.makeRotate(frandom(0, 2 * math.pi), 0, 0, 1)
lbox_node.setAttitude(q)
lbox_node.setPosition(
osg.Vec3d(frandom(-50, 50), frandom(-50, 50),
frandom(-100, 100)))
pNode.addChild(lbox_node)
def main():
#arguments = osg.ArgumentParses(len(sys.argv),sys.argv)
viewer = osgViewer.Viewer() #arguments)
viewer.setCameraManipulator(osgGA.TrackballManipulator())
skelroot = osgAnimation.Skeleton()
skelroot.setDefaultUpdateCallback()
root = osgAnimation.Bone()
root.setBindMatrixInBoneSpace(osg.Matrixd_identity())
root.setBindMatrixInBoneSpace(osg.Matrixd_translate(-1, 0, 0))
root.setName("root")
root.setDefaultUpdateCallback()
right0 = osgAnimation.Bone()
right0.setBindMatrixInBoneSpace(osg.Matrixd_translate(1, 0, 0))
right0.setName("right0")
right0.setDefaultUpdateCallback("right0")
right1 = osgAnimation.Bone()
right1.setBindMatrixInBoneSpace(osg.Matrixd_translate(1, 0, 0))
right1.setName("right1")
right1.setDefaultUpdateCallback("right1")
root.addChild(right0)
right0.addChild(right1)
skelroot.addChild(root)
scene = osg.Group()
manager = osgAnimation.BasicAnimationManager()
scene.setUpdateCallback(manager)
anim = osgAnimation.Animation()
keys0 = osgAnimation.QuatKeyframeContainer()
keys1 = osgAnimation.QuatKeyframeContainer()
pKeys0 = int(keys0.this)
pKeys1 = int(keys1.this)
rotate = osg.Quat()
rotate.makeRotate(PI_2, osg.Vec3(0, 0, 1))
keys0.push_back(osgAnimation.QuatKeyframe(0, osg.Quat(0, 0, 0, 1)))
keys0.push_back(osgAnimation.QuatKeyframe(3, rotate))
keys0.push_back(osgAnimation.QuatKeyframe(6, rotate))
keys1.push_back(osgAnimation.QuatKeyframe(0, osg.Quat(0, 0, 0, 1)))
keys1.push_back(osgAnimation.QuatKeyframe(3, osg.Quat(0, 0, 0, 1)))
keys1.push_back(osgAnimation.QuatKeyframe(6, rotate))
sampler0 = osgAnimation.QuatSphericalLinearSampler()
sampler0.setKeyframeContainer(keys0)
channel0 = osgAnimation.QuatSphericalLinearChannel(sampler0)
channel0.setName("quaternion")
channel0.setTargetName("right0")
anim.addChannel(channel0)
sampler1 = osgAnimation.QuatSphericalLinearSampler()
sampler1.setKeyframeContainer(keys1)
channel1 = osgAnimation.QuatSphericalLinearChannel(sampler1)
channel1.setName("quaternion")
channel1.setTargetName("right1")
anim.addChannel(channel1)
manager.registerAnimation(anim)
manager.buildTargetReference()
# let's start !
manager.playAnimation(anim)
# we will use local data from the skeleton
rootTransform = osg.MatrixTransform()
rootTransform.setMatrix(osg.Matrixd_rotate(PI_2, osg.Vec3(1, 0, 0)))
right0.addChild(createAxis())
right0.setDataVariance(osg.Object.DYNAMIC)
right1.addChild(createAxis())
right1.setDataVariance(osg.Object.DYNAMIC)
trueroot = osg.MatrixTransform()
trueroot.setMatrix(osg.Matrixd(root.getMatrixInBoneSpace()))
trueroot.addChild(createAxis())
trueroot.addChild(skelroot)
trueroot.setDataVariance(osg.Object.DYNAMIC)
rootTransform.addChild(trueroot)
scene.addChild(rootTransform)
geom = createTesselatedBox(4, 4.0)
geode = osg.Geode()
geode.addDrawable(geom)
skelroot.addChild(geode)
src = geom.getVertexArray().asVec3Array()
geom.getOrCreateStateSet().setMode(osg.GL_LIGHTING, False)
geom.setDataVariance(osg.Object.DYNAMIC)
initVertexMap(root, right0, right1, geom, src)
#let's run !
viewer.setSceneData(scene)
viewer.realize()
while not viewer.done():
viewer.frame()