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Torque/SDK/lib/mayasdk6/include/maya/MFnNurbsCurve.h
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210
Torque/SDK/lib/mayasdk6/include/maya/MFnNurbsCurve.h
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#ifndef _MFnNurbsCurve
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#define _MFnNurbsCurve
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//
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//-
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// ==========================================================================
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// Copyright (C) Alias Systems, a division of Silicon Graphics Limited.
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// All rights reserved. These coded instructions, statements and computer
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// programs contain unpublished information proprietary to Alias Systems,
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// a division of Silicon Graphics Limited, which is protected by the
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// Canadian and US federal copyright law and may not be disclosed to third
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// parties or copied or duplicated, in whole or in part, without prior
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// written consent of Alias Systems, a division of Silicon Graphics Limited
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// ==========================================================================
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//+
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//
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// CLASS: MFnNurbsCurve
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//
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// *****************************************************************************
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//
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// CLASS DESCRIPTION (MFnNurbsCurve)
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//
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// Function set for NURBS curves.
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//
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// *****************************************************************************
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#if defined __cplusplus
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// *****************************************************************************
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// INCLUDED HEADER FILES
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#include <maya/MFnDagNode.h>
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#include <maya/MObject.h>
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// *****************************************************************************
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// DECLARATIONS
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class MPointArray;
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class MDoubleArray;
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class MVector;
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class MPoint;
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class MDagPath;
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class MPtrBase;
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class TnurbsCurve;
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#define kMFnNurbsEpsilon 1.0e-3
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// *****************************************************************************
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// CLASS DECLARATION (MFnNurbsCurve)
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/// NURBS curve function set
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/**
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Manipulate NURBS curve objects
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*/
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#ifdef _WIN32
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#pragma warning(disable: 4522)
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#endif // _WIN32
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class OPENMAYA_EXPORT MFnNurbsCurve : public MFnDagNode
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{
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declareDagMFn(MFnNurbsCurve, MFnDagNode);
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public:
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///
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enum Form {
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///
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kInvalid=0,
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///
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kOpen,
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///
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kClosed,
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///
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kPeriodic,
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///
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kLast
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};
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///
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MObject create( const MPointArray &controlVertices,
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const MDoubleArray &knotSequences,
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unsigned int degree,
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Form agForm,
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bool create2D,
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bool createRational,
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MObject & parentOrOwner = MObject::kNullObj,
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MStatus* ReturnStatus = NULL );
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///
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MObject create( const MObjectArray& sources,
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MObject & parentOrOwner = MObject::kNullObj,
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MStatus* ReturnStatus = NULL );
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///
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MObject copy (const MObject &source,
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MObject &parentOrOwner = MObject::kNullObj,
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MStatus* ReturnStatus = NULL);
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///
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MStatus reverse(bool constructionHistory = false);
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///
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MObject cv( unsigned index, MStatus * ReturnStatus = NULL ) const;
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///
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MStatus getCV( unsigned index, MPoint &pt,
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MSpace::Space space = MSpace::kObject ) const;
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///
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MStatus setCV( unsigned index, const MPoint &pt,
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MSpace::Space space = MSpace::kObject );
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///
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Form form( MStatus * ReturnStatus = NULL ) const;
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///
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int degree( MStatus * ReturnStatus = NULL ) const;
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///
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int numCVs( MStatus * ReturnStatus = NULL ) const;
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///
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int numSpans( MStatus * ReturnStatus = NULL ) const;
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///
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int numKnots( MStatus * ReturnStatus = NULL ) const;
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///
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MStatus getKnotDomain( double &start, double &end ) const;
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///
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MStatus getKnots( MDoubleArray &array ) const;
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///
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MStatus setKnots( const MDoubleArray &array, unsigned startIndex,
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unsigned endIndex );
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///
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MStatus setKnot( unsigned index, double param );
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///
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MObject cvs( unsigned startIndex, unsigned endIndex,
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MStatus * ReturnStatus = NULL ) const;
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///
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MStatus getCVs( MPointArray &array,
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MSpace::Space space = MSpace::kObject ) const;
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///
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MStatus setCVs( const MPointArray &array,
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MSpace::Space space = MSpace::kObject );
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///
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double knot( unsigned index, MStatus * ReturnStatus = NULL ) const;
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///
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MStatus removeKnot( double atThisParam, bool removeAll = false );
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///
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bool isPointOnCurve( const MPoint &point,
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double tolerance = kMFnNurbsEpsilon,
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MSpace::Space space = MSpace::kObject,
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MStatus * ReturnStatus = NULL ) const;
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///
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MStatus getPointAtParam( double param, MPoint &point,
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MSpace::Space space = MSpace::kObject
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) const;
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///
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MStatus getParamAtPoint( const MPoint & atThisPoint, double ¶m,
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MSpace::Space space = MSpace::kObject )
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const;
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///
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bool isParamOnCurve( double param,
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MStatus * ReturnStatus = NULL ) const;
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///
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MVector normal( double param,
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MSpace::Space space = MSpace::kObject,
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MStatus * ReturnStatus = NULL ) const;
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///
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MVector tangent( double param,
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MSpace::Space space = MSpace::kObject,
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MStatus * ReturnStatus = NULL ) const;
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///
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bool isPlanar( MVector * planeNormal = NULL,
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MStatus * ReturnStatus = NULL ) const;
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///
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MPoint closestPoint( const MPoint &toThisPoint,
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double * param = NULL,
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double tolerance = kMFnNurbsEpsilon,
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MSpace::Space space = MSpace::kObject,
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MStatus * ReturnStatus = NULL ) const;
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///
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double distanceToPoint( const MPoint &pt,
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MSpace::Space space = MSpace::kObject,
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MStatus * ReturnStatus = NULL ) const;
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///
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double area( double tolerance = kMFnNurbsEpsilon,
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MStatus * ReturnStatus = NULL ) const;
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///
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double length( double tolerance = kMFnNurbsEpsilon,
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MStatus * ReturnStatus = NULL ) const;
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///
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double findParamFromLength( double partLength,
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MStatus * ReturnStatus = NULL ) const;
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///
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bool hasHistoryOnCreate( MStatus * ReturnStatus = NULL );
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///
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MStatus updateCurve();
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protected:
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MObject createMObject(MObject & parentOrOwner,
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TnurbsCurve * newCurve,
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MStatus * ReturnStatus);
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virtual bool objectChanged( MFn::Type, MStatus * );
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private:
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inline void * updateGeomPtr() const;
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inline void * updateConstGeomPtr() const;
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};
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#ifdef _WIN32
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#pragma warning(default: 4522)
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#endif // _WIN32
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// *****************************************************************************
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#endif /* __cplusplus */
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#endif /* _MFnNurbsCurve */
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