FGFS-4.1/OpenSceneGraph
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Removed osg::Transform::ComputeTransformCallback from osg::Transform.

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Updated various dependant files to reimplemt callbacks as Transform subclasses.
This commit is contained in:
Robert Osfield
2003-12-09 14:07:44 +00:00
parent d76cef6f8e
commit 9780a7cbd6
10 changed files with 23 additions and 112 deletions
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15
examples/osghangglide/osghangglide.cpp
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@@ -26,10 +26,11 @@ extern osg::Node *makeSky( void );
extern osg::Node *makeBase( void );
extern osg::Node *makeClouds( void );
struct MoveEarthySkyWithEyePointCallback : public osg::Transform::ComputeTransformCallback
class MoveEarthySkyWithEyePointTransform : public osg::Transform
{
public:
/** Get the transformation matrix which moves from local coords to world coords.*/
virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,const osg::Transform*, osg::NodeVisitor* nv) const
virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const
{
osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(nv);
if (cv)
@@ -41,8 +42,10 @@ struct MoveEarthySkyWithEyePointCallback : public osg::Transform::ComputeTransfo
}
/** Get the transformation matrix which moves from world coords to local coords.*/
virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,const osg::Transform*, osg::NodeVisitor* nv) const
virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const
{
std::cout<<"computing transform"<<std::endl;
osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(nv);
if (cv)
{
@@ -67,7 +70,7 @@ osg::Group* createModel()
clearNode->setRequiresClear(false); // we've got base and sky to do it.
// use a transform to make the sky and base around with the eye point.
osg::Transform* transform = new osg::Transform;
osg::Transform* transform = new MoveEarthySkyWithEyePointTransform;
// transform's value isn't knowm until in the cull traversal so its bounding
// volume is can't be determined, therefore culling will be invalid,
@@ -76,10 +79,6 @@ osg::Group* createModel()
// this node or any other branch above this transform.
transform->setCullingActive(false);
// set the compute transform callback to do all the work of
// determining the transform according to the current eye point.
transform->setComputeTransformCallback(new MoveEarthySkyWithEyePointCallback);
// add the sky and base layer.
transform->addChild(makeSky()); // bin number -2 so drawn first.
transform->addChild(makeBase()); // bin number -1 so draw second.