def createTextureQuad(texture):
vertices = osg.Vec3Array()
vertices.push_back(osg.Vec3(-0.8, 0.0, -0.8))
vertices.push_back(osg.Vec3(0.8, 0.0, -0.8))
vertices.push_back(osg.Vec3(0.8, 0.0, 0.8))
vertices.push_back(osg.Vec3(-0.8, 0.0, 0.8))
texcoord = osg.Vec2Array()
texcoord.push_back(osg.Vec2(0.0, 0.0))
texcoord.push_back(osg.Vec2(1.0, 0.0))
texcoord.push_back(osg.Vec2(1.0, 1.0))
texcoord.push_back(osg.Vec2(0.0, 1.0))
geom = osg.Geometry()
geom.setVertexArray(vertices)
geom.setTexCoordArray(0, texcoord)
geom.addPrimitiveSet(osg.DrawArrays(GL_QUADS, 0, 4))
geode = osg.Geode()
geode.addDrawable(geom)
geode.getOrCreateStateSet().setTextureAttributeAndModes(0, texture, osg.StateAttribute.ON)
return geode
def createModel():
center = osg.Vec3(0.0,0.0,0.0)
radius = 100.0
lightPosition = osg.Vec3(center+osg.Vec3(0.0,0.0,radius))
# the shadower model
shadower = createMovingModel(center,radius*0.5)
# the shadowed model
shadowed = createBase(center-osg.Vec3(0.0,0.0,radius*0.1),radius)
# combine the models together to create one which has the shadower and the shadowed with the required callback.
root = osg.Group()
root.setStateSet(createSpotLightDecoratorState(0,1))
root.addChild(shadower)
root.addChild(shadowed)
return root
def createMask():
vertices = osg.Vec3Array()
vertices.push_back(osg.Vec3(-0.5, -0.5, 0.0))
vertices.push_back(osg.Vec3(0.5, -0.5, 0.0))
vertices.push_back(osg.Vec3(0.5, 0.5, 0.0))
vertices.push_back(osg.Vec3(-0.5, 0.5, 0.0))
geom = osg.Geometry()
geom.setVertexArray(vertices)
geom.addPrimitiveSet(osg.DrawArrays(GL_QUADS, 0, 4))
geode = osg.Geode()
geode.addDrawable(geom)
stencil = osg.Stencil()
stencil.setFunction(osg.Stencil.ALWAYS, 1, ~0u)
stencil.setOperation(osg.Stencil.KEEP, osg.Stencil.KEEP, osg.Stencil.REPLACE)
ss = geode.getOrCreateStateSet()
ss.setAttributeAndModes(stencil,
osg.StateAttribute.ON | osg.StateAttribute.OVERRIDE)
ss.setAttribute(osg.ColorMask(False, False, False, False),
osg.StateAttribute.ON | osg.StateAttribute.OVERRIDE)
return geode
def createTouchRepresentations(parent_group, num_objects):
# create some geometry which is shown for every touch-point
for(unsigned int i = 0 i not = num_objects ++i)
ss = std.ostringstream()
geode = osg.Geode()
drawable = osg.ShapeDrawable(osg.Box(osg.Vec3(0,0,0), 100))
drawable.setColor(osg.Vec4(0.5, 0.5, 0.5,1))
geode.addDrawable(drawable)
ss, "Touch ", i
text = osgText.Text()
geode.addDrawable( text )
drawable.setDataVariance(osg.Object.DYNAMIC)
_drawables.push_back(drawable)
text.setFont("fonts/arial.ttf")
text.setPosition(osg.Vec3(110,0,0))
text.setText(ss.str())
_texts.push_back(text)
text.setDataVariance(osg.Object.DYNAMIC)
mat = osg.MatrixTransform()
mat.addChild(geode)
mat.setNodeMask(0x0)
_mats.push_back(mat)
parent_group.addChild(mat)
def createModel(overlay, technique):
center = osg.Vec3(0.0,0.0,0.0)
radius = 100.0
root = osg.Group()
baseHeight = center.z()-radius*0.5
baseModel = createBase(osg.Vec3(center.x(), center.y(), baseHeight),radius)
movingModel = createMovingModel(center,radius*0.8)
if overlay :
overlayNode = osgSim.OverlayNode(technique)
overlayNode.setContinuousUpdate(True)
overlayNode.setOverlaySubgraph(movingModel)
overlayNode.setOverlayBaseHeight(baseHeight-0.01)
overlayNode.addChild(baseModel)
root.addChild(overlayNode)
else:
root.addChild(baseModel)
root.addChild(movingModel)
return root
def createTextGroup(text):
group = osg.Group()
pos = osg.Vec3(120.0, 800.0, 0.0)
delta = osg.Vec3(0.0, -60.0, 0.0)
# header
t = text
group.addChild(createText(*t++, pos))
pos += delta
# remainder of text under sequence
seq = osg.Sequence()
group.addChild(seq)
while *t :
seq.addChild(createText(*t++, pos))
seq.setTime(seq.getNumChildren()-1, 2.0)
pos += delta
# loop through all children
seq.setInterval(osg.Sequence.LOOP, 0,-1)
# real-time playback, repeat indefinitively
seq.setDuration(1.0, -1)
# must be started explicitly
seq.setMode(osg.Sequence.START)
return group
def creatQuad(name, image, formatMode, minFilter):
group = osg.Group()
geode = osg.Geode()
geode.addDrawable(createTexturedQuadGeometry(
osg.Vec3(0.0,0.0,0.0),
osg.Vec3(float(image.s()),0.0,0.0),
osg.Vec3(0.0,0.0,float(image.t()))))
geode.setName(name)
stateset = geode.getOrCreateStateSet()
texture = osg.Texture2D(image)
texture.setInternalFormatMode(formatMode)
texture.setFilter(osg.Texture.MIN_FILTER, minFilter)
stateset.setTextureAttributeAndModes(0, texture, osg.StateAttribute.ON)
group.addChild(geode)
group.addChild(createHUD(name))
def test_create3DText(center, radius):
geode = osg.Geode()
characterSize = radius*0.2
characterDepth = characterSize*0.2
pos = osg.Vec3(center.x()-radius*.5,center.y()-radius*.5,center.z()-radius*.5)
#define SHOW_INTESECTION_CEASH
#ifdef SHOW_INTESECTION_CEASH
text3 = osgText.Text3D()
text3.setFont("fonts/dirtydoz.ttf")
text3.setCharacterSize(characterSize)
text3.setCharacterDepth(characterDepth)
text3.setPosition(pos)
text3.setDrawMode(osgText.Text3D.TEXT | osgText.Text3D.BOUNDINGBOX)
text3.setAxisAlignment(osgText.Text3D.XZ_PLANE)
text3.setText("CRAS H") #intersection crash
geode.addDrawable(text3)
#else:
text7 = osgText.Text3D()
text7.setFont("fonts/times.ttf")
text7.setCharacterSize(characterSize)
text7.setCharacterDepth(characterSize*2.2)
text7.setPosition(center - osg.Vec3(0.0, 0.0, 0.6))
text7.setDrawMode(osgText.Text3D.TEXT | osgText.Text3D.BOUNDINGBOX)
text7.setAxisAlignment(osgText.Text3D.SCREEN)
text7.setCharacterSizeMode(osgText.Text3D.OBJECT_COORDS)
text7.setText("ABCDE") #wrong intersection
geode.addDrawable(text7)
#endif
shape = osg.ShapeDrawable(osg.Sphere(center,characterSize*0.2))
shape.getOrCreateStateSet().setMode(GL_LIGHTING,osg.StateAttribute.ON)
geode.addDrawable(shape)
rootNode = osg.Group()
rootNode.addChild(geode)
#define SHOW_WRONG_NORMAL
#ifdef SHOW_WRONG_NORMAL
front = osg.Material() #
front.setAlpha(osg.Material.FRONT_AND_BACK,1)
front.setAmbient(osg.Material.FRONT_AND_BACK,osg.Vec4(0.2,0.2,0.2,1.0))
front.setDiffuse(osg.Material.FRONT_AND_BACK,osg.Vec4(.0,.0,1.0,1.0))
rootNode.getOrCreateStateSet().setAttributeAndModes(front)
#else:
stateset = osg.StateSet() #Show wireframe
polymode = osg.PolygonMode()
polymode.setMode(osg.PolygonMode.FRONT_AND_BACK,osg.PolygonMode.LINE)
stateset.setAttributeAndModes(polymode,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
rootNode.setStateSet(stateset)
#endif
return rootNode
def createMovingModel(center, radius):
animationLength = 10.0
animationPath = createAnimationPath(center,radius,animationLength)
model = osg.Group()
cessna = osgDB.readNodeFile("cessna.osgt")
if cessna :
bs = cessna.getBound()
size = radius/bs.radius()*0.3
positioned = osg.MatrixTransform()
positioned.setDataVariance(osg.Object.STATIC)
positioned.setMatrix(osg.Matrix.translate(-bs.center())*
osg.Matrix.scale(size,size,size)*
osg.Matrix.rotate(osg.inDegrees(180.0),0.0,0.0,2.0))
positioned.addChild(cessna)
xform = osg.MatrixTransform()
xform.setUpdateCallback(osg.AnimationPathCallback(animationPath,0.0,2.0))
xform.addChild(positioned)
xform.addChild(createSpotLightNode(osg.Vec3(0.0,0.0,0.0), osg.Vec3(0.0,1.0,-1.0), 60.0, 0, 1))
model.addChild(xform)
return model
def createTesselatedBox(nsplit, size):
riggeometry = osgAnimation.RigGeometry()
geometry = osg.Geometry()
vertices = osg.Vec3Array(osg.Vec3Array())
colors = osg.Vec3Array(osg.Vec3Array())
geometry.setVertexArray (vertices)
geometry.setColorArray (colors, osg.Array.BIND_PER_VERTEX)
step = size / static_cast<float>(nsplit)
s = 0.5/4.0
for (int i = 0 i < nsplit i++)
x = -1.0 + static_cast<float>(i) * step
print x
vertices.push_back (osg.Vec3 ( x, s, s))
vertices.push_back (osg.Vec3 ( x, -s, s))
vertices.push_back (osg.Vec3 ( x, -s, -s))
vertices.push_back (osg.Vec3 ( x, s, -s))
c = osg.Vec3(0.0,0.0,0.0)
c[i%3] = 1.0
colors.push_back (c)
colors.push_back (c)
colors.push_back (c)
colors.push_back (c)
def createRandomTriangles(num):
tris = osg.Geode()
ss = tris.getOrCreateStateSet()
# Force wireframe. Many gfx cards handle this poorly.
pm = osg.PolygonMode(
osg.PolygonMode.FRONT_AND_BACK, osg.PolygonMode.LINE )
ss.setAttributeAndModes( pm, osg.StateAttribute.ON |
osg.StateAttribute.PROTECTED)
ss.setMode( GL_LIGHTING, osg.StateAttribute.OFF |
osg.StateAttribute.PROTECTED)
geom = deprecated_osg.Geometry()
# Disable display lists to decrease performance.
geom.setUseDisplayList( False )
v = osg.Vec3Array()
geom.setVertexArray( v )
v.resize( num*3 )
i = unsigned int()
srand( 0 )
#define RAND_NEG1_TO_1 ( ((rand()%20)-10)*.1 )
for (i=0 i<num i++)
v0 = (*v)[ i*3+0 ]
v1 = (*v)[ i*3+1 ]
v2 = (*v)[ i*3+2 ]
v0 = osg.Vec3( RAND_NEG1_TO_1, RAND_NEG1_TO_1, RAND_NEG1_TO_1 )
v1 = osg.Vec3( RAND_NEG1_TO_1, RAND_NEG1_TO_1, RAND_NEG1_TO_1 )
v2 = osg.Vec3( RAND_NEG1_TO_1, RAND_NEG1_TO_1, RAND_NEG1_TO_1 )
def createGeometry():
vertices = osg.Vec3Array()
vertices.push_back(osg.Vec3(-1.0, -1.0, 0.0))
vertices.push_back(osg.Vec3(1.0, -1.0, 0.0))
vertices.push_back(osg.Vec3(1.0, 1.0, 0.0))
vertices.push_back(osg.Vec3(-1.0, 1.0, 0.0))
geom = osg.Geometry()
geom.setVertexArray(vertices)
geom.addPrimitiveSet(osg.DrawArrays(GL_QUADS, 0, 4))
geode = osg.Geode()
geode.addDrawable(geom)
stencil = osg.Stencil()
stencil.setFunction(osg.Stencil.NOTEQUAL, 1, ~0u)
stencil.setOperation(osg.Stencil.KEEP, osg.Stencil.KEEP, osg.Stencil.KEEP)
ss = geode.getOrCreateStateSet()
ss.setAttributeAndModes(stencil,
osg.StateAttribute.ON | osg.StateAttribute.OVERRIDE)
return geode
def main(argv):
# Qt requires that we construct the global QApplication before creating any widgets.
app = QApplication(argc, argv)
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
useFrameLoopThread = False
if arguments.read("--no-frame-thread") : useFrameLoopThread = False
if arguments.read("--frame-thread") : useFrameLoopThread = True
image = osgQt.QWebViewImage()
if arguments.argc()>1 : image.navigateTo((arguments[1]))
else image.navigateTo("http:#www.youtube.com/")
hints = osgWidget.GeometryHints(osg.Vec3(0.0,0.0,0.0),
osg.Vec3(1.0,0.0,0.0),
osg.Vec3(0.0,0.0,1.0),
osg.Vec4(1.0,1.0,1.0,1.0),
osgWidget.GeometryHints.RESIZE_HEIGHT_TO_MAINTAINCE_ASPECT_RATIO)
browser = osgWidget.Browser()
browser.assign(image, hints)
# image.focusBrowser(True)
viewer = osgViewer.Viewer(arguments)
viewer.setSceneData(browser)
viewer.setCameraManipulator(osgGA.TrackballManipulator())
viewer.addEventHandler(osgViewer.StatsHandler)()
viewer.addEventHandler(osgViewer.WindowSizeHandler)()
if useFrameLoopThread :
# create a thread to run the viewer's frame loop
viewerThread = ViewerFrameThread(viewer, True)
viewerThread.startThread()
# now start the standard Qt event loop, then exists when the viewerThead sends the QApplication.exit() signal.
return QApplication.exec()
else:
# run the frame loop, interleaving Qt and the main OSG frame loop
while not viewer.done() :
# process Qt events - this handles both events and paints the browser image
QCoreApplication.processEvents(QEventLoop.AllEvents, 100)
viewer.frame()
return 0
def computeBound():
geom_box = _geometry.getBound()
bb = osg.BoundingBox()
for(PositionSizeList.const_iterator itr = _trees.begin()
not = _trees.end()
++itr)
bb.expandBy(geom_box.corner(0)*(*itr)[3] +
osg.Vec3( (*itr)[0], (*itr)[1], (*itr)[2] ))
bb.expandBy(geom_box.corner(7)*(*itr)[3] +
osg.Vec3( (*itr)[0], (*itr)[1], (*itr)[2] ))
class SomePoints (osg.Geometry) :
SomePoints()
cAry = osg.Vec4Array()
setColorArray( cAry, osg.Array.BIND_OVERALL )
cAry.push_back( osg.Vec4(1,1,1,1) )
vAry = osg.Vec3Array()
setVertexArray( vAry )
vAry.push_back( osg.Vec3(0,0,0) )
vAry.push_back( osg.Vec3(0,1,0) )
vAry.push_back( osg.Vec3(1,0,0) )
vAry.push_back( osg.Vec3(1,1,0) )
vAry.push_back( osg.Vec3(0,0,1) )
vAry.push_back( osg.Vec3(0,1,1) )
vAry.push_back( osg.Vec3(1,0,1) )
vAry.push_back( osg.Vec3(1,1,1) )
addPrimitiveSet( osg.DrawArrays( GL_POINTS, 0, vAry.size() ) )
sset = getOrCreateStateSet()
sset.setMode( GL_LIGHTING, osg.StateAttribute.OFF )
# if things go wrong, fall back to big points
p = osg.Point()
p.setSize(6)
sset.setAttribute( p )
#ifdef ENABLE_GLSL
sset.setAttribute( createShader() )
# a generic cyclic animation value
u_anim1 = osg.Uniform*( osg.Uniform( "u_anim1", 0.0 ) )
u_anim1.setUpdateCallback( SineAnimation( 4, 0.5, 0.5 ) )
sset.addUniform( u_anim1 )
def createAxis(previousJoint):
height = 12.0
radius = .5
zmt = osg.MatrixTransform()
previousJoint.addChild(zmt)
zShape = osg.ShapeDrawable(osg.Cylinder(osg.Vec3(0.0,0.0,height/2),radius,height),hints)
zCone = osg.ShapeDrawable(osg.Cone(osg.Vec3(0.0,0.0,1.0),radius+1.0,2.0),hints)
zmtCone = osg.MatrixTransform()
zgCone = osg.Geode()
zmtCone.setMatrix( osg.Matrix.translate(0.0,0.0,height))
previousJoint.addChild(zmtCone)
zShape.setColor(osg.Vec4(0.0, 0.0, 1.0, 1.0))
zCone.setColor(osg.Vec4(0.0, 0.0, 1.0, 1.0))
z = osg.Geode()
z.addDrawable(zShape)
zgCone.addDrawable(zCone)
zmtCone.addChild(zgCone)
zmt.addChild(z)
mt = osg.MatrixTransform()
previousJoint.addChild(mt)
xMatrix = osg.Matrix.rotate(-osg.PI_2, 0.0, 1.0, 0.0)
mt.setMatrix(xMatrix)
xShape = osg.ShapeDrawable(osg.Cylinder(osg.Vec3(0.0,0.0,height/2),radius,height),hints)
xShape.setColor(osg.Vec4(1.0, 0.0, 0.0, 1.0))
x = osg.Geode()
x.addDrawable(xShape)
mt.addChild(x)
yMt = osg.MatrixTransform()
previousJoint.addChild(yMt)
yMatrix = osg.Matrix.rotate(osg.PI_2, 1.0, 0.0, 0.0)
yMt.setMatrix(yMatrix)
yShape = osg.ShapeDrawable(osg.Cylinder(osg.Vec3(0.0,0.0,height/2),radius,height),hints)
yShape.setColor(osg.Vec4(0.0, 1.0, 0.0, 1.0))
y = osg.Geode()
y.addDrawable(yShape)
yMt.addChild(y)
def main(argv):
arguments = osg.ArgumentParser( argc, argv )
# Create the texture as both the output of compute shader and the input of a normal quad
tex2D = osg.Texture2D()
tex2D.setTextureSize( 512, 512 )
tex2D.setFilter( osg.Texture2D.MIN_FILTER, osg.Texture2D.LINEAR )
tex2D.setFilter( osg.Texture2D.MAG_FILTER, osg.Texture2D.LINEAR )
tex2D.setInternalFormat( GL_R32F )
tex2D.setSourceFormat( GL_RED )
tex2D.setSourceType( GL_FLOAT )
tex2D.bindToImageUnit( 0, osg.Texture.WRITE_ONLY ) # So we can use 'image2D' in the compute shader
# The compute shader can't work with other kinds of shaders
# It also requires the work group numbers. Setting them to 0 will disable the compute shader
computeProg = osg.Program()
computeProg.setComputeGroups( 512/16, 512/16, 1 )
computeProg.addShader( osg.Shader(osg.Shader.COMPUTE, computeSrc) )
# Create a node for outputting to the texture.
# It is OK to have just an empty node here, but seems inbuilt uniforms like osg_FrameTime won't work then.
# TODO: maybe we can have a custom drawable which also will implement sourceNode = osgDB: if (glMemoryBarrier) else readNodeFile("axes.osgt")
if not sourceNode : sourceNode = osg.Node()
sourceNode.setDataVariance( osg.Object.DYNAMIC )
sourceNode.getOrCreateStateSet().setAttributeAndModes( computeProg )
sourceNode.getOrCreateStateSet().addUniform( osg.Uniform("targetTex", (int)0) )
sourceNode.getOrCreateStateSet().setTextureAttributeAndModes( 0, tex2D )
# Display the texture on a quad. We will also be able to operate on the data if reading back to CPU side
geom = osg.createTexturedQuadGeometry(
osg.Vec3(), osg.Vec3(1.0,0.0,0.0), osg.Vec3(0.0,0.0,1.0) )
quad = osg.Geode()
quad.addDrawable( geom )
quad.getOrCreateStateSet().setMode( GL_LIGHTING, osg.StateAttribute.OFF )
quad.getOrCreateStateSet().setTextureAttributeAndModes( 0, tex2D )
# Create the scene graph and start the viewer
scene = osg.Group()
scene.addChild( sourceNode )
scene.addChild( quad )
viewer = osgViewer.Viewer()
viewer.addEventHandler( osgGA.StateSetManipulator(viewer.getCamera().getOrCreateStateSet()) )
viewer.addEventHandler( osgViewer.StatsHandler )()
viewer.addEventHandler( osgViewer.WindowSizeHandler )()
viewer.setSceneData( scene )
return viewer.run()
class Character (osg.Referenced) :
Character()
setCharacter = void( str filename, str name, osg.Vec3 orgin, osg.Vec3 width, osg.Vec3 catchPos, float positionRatio)
setLives = void( str filename, osg.Vec3 orgin, osg.Vec3 delta, unsigned int numLives)
setCatches = void( str filename, osg.Vec3 orgin, osg.Vec3 delta, unsigned int numLives)
moveLeft = void()
moveRight = void()
moveTo = void(float positionRatio)
reset = void()
resetCatches = void()
addCatch = bool()
looseLife = bool()
def getCurrentCenterOfBasket():
return _character.getPosition()+_centerBasket
def getCurrentRadiusOfBasket():
return _radiusBasket
def getLowerLeft():
return _character.getPosition()
def getUpperRight():
return _character.getPosition()
_origin = osg.Vec3()
_width = osg.Vec3()
_positionRatio = float()
_character = osg.PositionAttitudeTransform()
_numLives = unsigned int()
_livesSwitch = osg.Switch()
_numCatches = unsigned int()
_catchSwitch = osg.Switch()
_objectsGroup = osg.Group()
_centerBasket = osg.Vec3()
_radiusBasket = float()
def setupCube():
geode = osg.Geode()
geode.addDrawable(osg.ShapeDrawable(osg.Box(osg.Vec3(0.0,0.0,0.0),2)))
geode.setStateSet(setupStateSet())
return geode
def createSpotLightNode(position, direction, angle, lightNum, textureUnit):
group = osg.Group()
# create light source.
lightsource = osg.LightSource()
light = lightsource.getLight()
light.setLightNum(lightNum)
light.setPosition(osg.Vec4(position,1.0))
light.setAmbient(osg.Vec4(0.00,0.00,0.05,1.0))
light.setDiffuse(osg.Vec4(1.0,1.0,1.0,1.0))
group.addChild(lightsource)
# create tex gen.
up = osg.Vec3(0.0,0.0,1.0)
up = (direction ^ up) ^ direction
up.normalize()
texgenNode = osg.TexGenNode()
texgenNode.setTextureUnit(textureUnit)
texgen = texgenNode.getTexGen()
texgen.setMode(osg.TexGen.EYE_LINEAR)
texgen.setPlanesFromMatrix(osg.Matrixd.lookAt(position, position+direction, up)*
osg.Matrixd.perspective(angle,1.0,0.1,100)*
osg.Matrixd.translate(1.0,1.0,1.0)*
osg.Matrixd.scale(0.5,0.5,0.5))
group.addChild(texgenNode)
return group
def buildJoint3(previousJoint):
height = 7.5
radius = 4.45633
joint = osg.Geode()
xTransform = osg.MatrixTransform()
previousJoint.addChild(xTransform)
xRot = osg.Matrix.rotate(-osg.PI_2, 1.0, 0.0, 0.0)
xTransform.setMatrix(xRot)
zCheat = osg.MatrixTransform()
zTransCheat = osg.Matrix.translate(0.0,0.0,-height)
zCheat.setMatrix(zTransCheat)
xTransform.addChild(zCheat)
shape = osg.ShapeDrawable(osg.Capsule(osg.Vec3(0.0,0.0,height/2),radius,height),hints)
joint.addDrawable(shape)
zCheat.addChild(joint)
zTransform = osg.MatrixTransform()
zCheat.addChild(zTransform)
zRot = osg.Matrix.rotate((float)jointAngle3, 0.0, 0.0, 1.0)
zTrans = osg.Matrix.translate(0,0,0)
zTransform.setMatrix(zTrans*zRot)
if showAxis :
createAxis(zTransform)
return zTransform
def createBase(center, radius):
geode = osg.Geode()
# set up the texture of the base.
stateset = osg.StateSet()
image = osgDB.readImageFile("Images/lz.rgb")
if image :
texture = osg.Texture2D()
texture.setImage(image)
stateset.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON)
geode.setStateSet( stateset )
grid = osg.HeightField()
grid.allocate(38,39)
grid.setOrigin(center+osg.Vec3(-radius,-radius,0.0))
grid.setXInterval(radius*2.0/(float)(38-1))
grid.setYInterval(radius*2.0/(float)(39-1))
minHeight = FLT_MAX
maxHeight = -FLT_MAX
r = unsigned int()
for(r=0r<39++r)
for(unsigned int c=0c<38++c)
h = vertex[r+c*39][2]
if h>maxHeight : maxHeight=h
if h<minHeight : minHeight=h
def main(argv):
arguments = osg.ArgumentParser(argv)
viewer = osgViewer.Viewer(arguments)
tbm = osgGA.TrackballManipulator()
viewer.setCameraManipulator(tbm)
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.addEventHandler(osgViewer.WindowSizeHandler())
root = osg.Group()
geode = osg.Geode()
geode.setStateSet(setupStateSet())
root.setInitialBound(osg.BoundingSphere(osg.Vec3(10,0,20), 50))
root.addChild(setupAnimtkNode(geode))
root.addChild(geode)
viewer.setSceneData(root)
# tbm.setDistance(150)
return viewer.run()
def main(argv):
app = QApplication(argc, argv)
# prepare scene.
center = osg.Vec3(0.0,0.0,0.0)
radius = 1.0
# create the hud.
camera = osg.Camera()
camera.setReferenceFrame(osg.Transform.ABSOLUTE_RF)
camera.setProjectionMatrixAsOrtho2D(0,1280,0,1024)
camera.setViewMatrix(osg.Matrix.identity())
camera.setClearMask(GL_DEPTH_BUFFER_BIT)
camera.addChild(createHUDText())
camera.getOrCreateStateSet().setMode(GL_LIGHTING,osg.StateAttribute.OFF)
# make sure the root node is group so we can add extra nodes to it.
group = osg.Group()
group.addChild(camera)
group.addChild(create3DText(center, radius))
# The qt window
widget = MainWindow()
# set the scene to render
widget.setSceneData(group)
widget.setCameraManipulator(osgGA.TrackballManipulator)()
widget.setGeometry(100, 100, 800, 600)
widget.show()
return app.exec()
class KeyboardEventHandler (osgGA.GUIEventHandler) :
KeyboardEventHandler(osg.StateSet* stateset):
_stateset(stateset)
_point = osg.Point()
_point.setDistanceAttenuation(osg.Vec3(0.0,0.0000,0.05))
_stateset.setAttribute(_point)
def createAnimationPath(center, radius, looptime):
# set up the animation path
animationPath = osg.AnimationPath()
animationPath.setLoopMode(osg.AnimationPath.LOOP)
numSamples = 40
yaw = 0.0
yaw_delta = 2.0*osg.PI/(numSamples-1.0)
roll = osg.inDegrees(30.0)
time = 0.0
time_delta = looptime/float(numSamples)
for i in range(numSamples):
position = center+osg.Vec3(math.sin(yaw)*radius,math.cos(yaw)*radius,0.0)
rotation = osg.Quat(roll,osg.Vec3(0.0,1.0,0.0))*osg.Quat(-(yaw+osg.inDegrees(90.0)),osg.Vec3(0.0,0.0,1.0))
animationPath.insert(time,osg.AnimationPath.ControlPoint(position,rotation))
yaw += yaw_delta
time += time_delta
return animationPath
def main(argv):
arguments = osg.ArgumentParser(argv)
viewer = osgViewer.Viewer(arguments)
hints = osgWidget.GeometryHints(
osg.Vec3(0.0, 0.0, 0.0), osg.Vec3(1.0, 0.0, 0.0),
osg.Vec3(0.0, 0.0, 1.0), osg.Vec4(1.0, 1.0, 1.0, 1.0),
osgWidget.GeometryHints.RESIZE_HEIGHT_TO_MAINTAINCE_ASPECT_RATIO)
group = osg.Group()
for i in range(len(argv)):
if not arguments.isOption(i):
pdfReader = osgWidget.PdfReader()
if pdfReader.open(arguments[i], hints):
group.addChild(pdfReader.get())
hints.position.x += 1.1
viewer.setSceneData(group)
viewer.addEventHandler(osgViewer.StatsHandler())
return viewer.run()
def buildEndEffector():
mt = osg.MatrixTransform()
m = osg.Matrix()
length = 17.0
m.makeTranslate(0,0,length/2)
mt.setMatrix(m)
geode_3 = osg.Geode()
shape1 = osg.ShapeDrawable(osg.Box(osg.Vec3(-EndEffector, 0.0, 0.0), .5, 1.5, length), hints)
shape2 = osg.ShapeDrawable(osg.Box(osg.Vec3( EndEffector, 0.0, 0.0), .5, 1.5, length), hints)
shape1.setColor(osg.Vec4(0.8, 0.8, 0.4, 1.0))
shape2.setColor(osg.Vec4(0.8, 0.8, 0.4, 1.0))
geode_3.addDrawable(shape1)
geode_3.addDrawable(shape2)
mt.addChild(geode_3)
return mt
def createSectorForImage(image, texmat, s, t, radius, height, length):
flip = image.getOrigin()==osg.Image.TOP_LEFT
numSegments = 20
Theta = length/radius
dTheta = Theta/(float)(numSegments-1)
ThetaZero = height*s/(t*radius)
# set up the texture.
texture = osg.Texture2D()
texture.setFilter(osg.Texture2D.MIN_FILTER,osg.Texture2D.LINEAR)
texture.setFilter(osg.Texture2D.MAG_FILTER,osg.Texture2D.LINEAR)
texture.setWrap(osg.Texture2D.WRAP_S,osg.Texture2D.CLAMP_TO_BORDER)
texture.setWrap(osg.Texture2D.WRAP_T,osg.Texture2D.CLAMP_TO_BORDER)
texture.setResizeNonPowerOfTwoHint(False)
texture.setImage(image)
# set up the drawstate.
dstate = osg.StateSet()
dstate.setMode(GL_CULL_FACE,osg.StateAttribute.OFF)
dstate.setMode(GL_LIGHTING,osg.StateAttribute.OFF)
dstate.setTextureAttributeAndModes(0, texture,osg.StateAttribute.ON)
dstate.setTextureAttribute(0, texmat)
# set up the geoset.
geom = osg.Geometry()
geom.setStateSet(dstate)
coords = osg.Vec3Array()
tcoords = osg.Vec2Array()
i = int()
angle = -Theta/2.0
for(i=0
i<numSegments
++i, angle+=dTheta)
coords.push_back(osg.Vec3(sinf(angle)*radius,cosf(angle)*radius,height*0.5)) # top
coords.push_back(osg.Vec3(sinf(angle)*radius,cosf(angle)*radius,-height*0.5)) # bottom.
tcoords.push_back(osg.Vec2(angle/ThetaZero+0.5, 0.0 if (flip) else 1.0)) # top
tcoords.push_back(osg.Vec2(angle/ThetaZero+0.5, 1.0 if (flip) else 0.0)) # bottom.
def main(argv):
viewer = osgViewer.Viewer()
wm = osgWidget.WindowManager(
viewer,
WINDOW_WIDTH,
WINDOW_HEIGHT,
MASK_2D
)
menu = osgWidget.Box("menu", osgWidget.Box.HORIZONTAL)
menu.addWidget(ColorLabelMenu("Choose EaseMotion"))
menu.getBackground().setColor(1.0, 1.0, 1.0, 1.0)
menu.setPosition(15.0, 15.0, 0.0)
wm.addChild(menu)
group = osg.Group()
geode = osg.Geode()
mt = osg.MatrixTransform()
geode.addDrawable(osg.ShapeDrawable(osg.Sphere(osg.Vec3(), 4.0)))
EASE_MOTION_SAMPLER = EaseMotionSampler(osg.Vec3(50.0, 0.0, 0.0))
EASE_MOTION_GEODE = osg.Geode()
mt.addChild(geode)
mt.setUpdateCallback(EASE_MOTION_SAMPLER)
mt.setNodeMask(MASK_3D)
viewer.setCameraManipulator(osgGA.TrackballManipulator())
viewer.getCameraManipulator().setHomePosition(
osg.Vec3d(0.0, 0.0, 200.0),
osg.Vec3d(20.0, 0.0, 0.0),
osg.Vec3d(0.0, 1.0, 0.0)
)
viewer.home()
group.addChild(mt)
group.addChild(EASE_MOTION_GEODE)
return osgWidget.createExample(viewer, wm, group)