hkpParametricCurve.h
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- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HK_PARAMETRIC_CURVE_H
- #define HK_PARAMETRIC_CURVE_H
- #include <Common/Base/hkBase.h>
- extern const hkClass hkpParametricCurveClass;
- class hkpParametricCurve : public hkReferencedObject
- {
- public:
- HK_DECLARE_CLASS_ALLOCATOR( HK_MEMORY_CLASS_CONSTRAINT );
- HK_DECLARE_REFLECTION();
- /// Given a parametric value map to a point on the curve.
- virtual void getPoint( hkReal t, hkVector4& pointOnPathOut ) const = 0;
- /// Map a parametric value and a point to the nearest point on the curve. Returns the parametric value.
- virtual hkReal getNearestPoint( hkReal t, const hkVector4& nearPoint, hkVector4& pointOnPathOut ) const = 0;
- /// Return the normalized tangent at the point on the curve specified by the parametric value.
- virtual void getTangent( hkReal t, hkVector4& tangentOut ) const = 0;
- /// Return the smallest parametric value that is on the curve.
- virtual hkReal getStart() const = 0;
- /// Return the largest parametric value that is on the curve.
- virtual hkReal getEnd() const = 0;
- /// Return physical length along the curve from the start of the curve to this parametric point.
- virtual hkReal getLengthFromStart( hkReal t ) const = 0;
- /// Return the normalized vector that defines "up" for a path.
- /// This is only used by a path constraint if ALL of the angular degrees of freedom are being constrained.
- virtual void getBinormal( hkReal t, hkVector4& up ) const = 0;
- /// Returns true if the path is closed. i.e. the beginning is the end and the end is the beginning.
- virtual hkBool isClosedLoop() const = 0;
- /// Return an array of points to draw.
- virtual void getPointsToDraw(hkArray<hkVector4>& pathPoints) const = 0;
- ///Transform all the points in the curve
- virtual void transformPoints( const hkTransform& transformation ) = 0;
- /// Create an exact copy of path
- virtual hkpParametricCurve* clone() = 0;
- public:
- hkpParametricCurve(hkFinishLoadedObjectFlag flag) : hkReferencedObject(flag) {}
- protected:
- hkpParametricCurve() {}
- };
- #endif
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */