FGFS-4.1/OpenSceneGraph
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Added support in osg::computeWorldToLocal and compteLocalToWorld functions for automatically

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stripping any absolute or root CameraNode's from the NodePaths.

Added osg::Node::getWorldMatrices() convinience method.
This commit is contained in:
Robert Osfield
2006-02-27 19:48:34 +00:00
parent 8f2ffb7c2d
commit 1dcf4fe81f
4 changed files with 79 additions and 19 deletions
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8
include/osg/Transform
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@@ -28,24 +28,24 @@ namespace osg {
/** Compute the matrix which transforms objects in local coords to world coords,
* by accumulating the Transform local to world matrices along the specified node path.
*/
extern OSG_EXPORT Matrix computeLocalToWorld(const NodePath& nodePath);
extern OSG_EXPORT Matrix computeLocalToWorld(const NodePath& nodePath, bool ignoreCameraNodes = true);
/** Compute the matrix which transforms objects in world coords to local coords,
* by accumulating the Transform world to local matrices along the specified node path.
*/
extern OSG_EXPORT Matrix computeWorldToLocal(const NodePath& nodePath);
extern OSG_EXPORT Matrix computeWorldToLocal(const NodePath& nodePath, bool ignoreCameraNodes = true);
/** Compute the matrix which transforms objects in local coords to eye coords,
* by accumulating the Transform local to world matrices along the specified node path
* and multipling by the supplied initial camera modelview.
*/
extern OSG_EXPORT Matrix computeLocalToEye(const Matrix& modelview, const NodePath& nodePath);
extern OSG_EXPORT Matrix computeLocalToEye(const Matrix& modelview, const NodePath& nodePath, bool ignoreCameraNodes = true);
/** Compute the matrix which transforms objects in eye coords to local coords,
* by accumulating the Transform world to local matrices along the specified node path
* and multipling by the inverse of the supplied initialial camera modelview.
*/
extern OSG_EXPORT Matrix computeEyeToLocal(const Matrix& modelview, const NodePath& nodePath);
extern OSG_EXPORT Matrix computeEyeToLocal(const Matrix& modelview, const NodePath& nodePath, bool ignoreCameraNodes = true);
/** A Transform is a group node for which all children are transformed by