32 lines
823 B
C
32 lines
823 B
C
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#ifndef DUST3D_CENTRIPETAL_CATMULL_ROM_SPLINE_H
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#define DUST3D_CENTRIPETAL_CATMULL_ROM_SPLINE_H
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#include <vector>
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#include <QVector3D>
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class CentripetalCatmullRomSpline
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{
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public:
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struct SplineNode
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{
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int source = -1;
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QVector3D position;
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};
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CentripetalCatmullRomSpline(bool isClosed);
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void addPoint(int source, const QVector3D &position, bool isKnot);
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bool interpolate();
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const std::vector<SplineNode> &splineNodes();
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private:
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std::vector<SplineNode> m_splineNodes;
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std::vector<size_t> m_splineKnots;
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bool m_isClosed = false;
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bool interpolateClosed();
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bool interpolateOpened();
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float atKnot(float t, const QVector3D &p0, const QVector3D &p1);
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void interpolateSegment(std::vector<QVector3D> &knots,
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size_t from, size_t to);
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};
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#endif
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