53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#include <osg/MatrixTransform>
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using namespace osg;
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MatrixTransform::MatrixTransform():
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_inverseDirty(false)
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{
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_matrix = osgNew Matrix;
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_inverse = osgNew Matrix;
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}
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MatrixTransform::MatrixTransform(const MatrixTransform& transform,const CopyOp& copyop):
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Transform(transform,copyop),
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_matrix(osgNew Matrix(*transform._matrix)),
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_inverse(osgNew Matrix(*transform._inverse)),
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_inverseDirty(transform._inverseDirty)
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{
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}
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MatrixTransform::MatrixTransform(const Matrix& mat )
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{
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_referenceFrame = RELATIVE_TO_PARENTS;
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_matrix = osgNew Matrix(mat);
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_inverse = osgNew Matrix();
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_inverseDirty = false;
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}
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MatrixTransform::~MatrixTransform()
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{
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}
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void MatrixTransform::AnimationPathCallback::operator()(Node* node, NodeVisitor* nv)
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{
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MatrixTransform* mt = dynamic_cast<MatrixTransform*>(node);
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if (mt &&
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_animationPath.valid() &&
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nv->getVisitorType()==NodeVisitor::APP_VISITOR &&
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nv->getFrameStamp())
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{
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double time = nv->getFrameStamp()->getReferenceTime();
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if (_firstTime==0.0) _firstTime = time;
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Matrix matrix;
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if (_animationPath->getMatrix(((time-_firstTime)-_timeOffset)*_timeMultiplier,matrix))
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{
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mt->setMatrix(matrix);
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}
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}
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// must call any nested node callbacks and continue subgraph traversal.
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traverse(node,nv);
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}
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