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When using AIS_AnimationObject, linear interpolation is performed from one gp_Trsf transformation to another. But when an object rotates around a specific axis, the object moves not along a linear trajectory, but along a circle. Therefore, a separate class AIS_AnimationAxisRotation was created that allows to animate rotation around a specific axis. Test case tests/v3d/bugs/bug32570 was added.
53 lines
2.2 KiB
C++
53 lines
2.2 KiB
C++
// Created by: Anastasia BORISOVA
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// Copyright (c) 2016 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _AIS_AnimationObject_HeaderFile
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#define _AIS_AnimationObject_HeaderFile
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#include <AIS_BaseAnimationObject.hxx>
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#include <gp_TrsfNLerp.hxx>
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//! Animation defining object transformation.
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class AIS_AnimationObject : public AIS_BaseAnimationObject
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{
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DEFINE_STANDARD_RTTIEXT(AIS_AnimationObject, AIS_BaseAnimationObject)
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public:
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//! Constructor with initialization.
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//! Note that start/end transformations specify exactly local transformation of the object,
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//! not the transformation to be applied to existing local transformation.
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//! @param[in] theAnimationName animation identifier
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//! @param[in] theContext interactive context where object have been displayed
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//! @param[in] theObject object to apply local transformation
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//! @param[in] theTrsfStart local transformation at the start of animation (e.g. theObject->LocalTransformation())
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//! @param[in] theTrsfEnd local transformation at the end of animation
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Standard_EXPORT AIS_AnimationObject (const TCollection_AsciiString& theAnimationName,
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const Handle(AIS_InteractiveContext)& theContext,
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const Handle(AIS_InteractiveObject)& theObject,
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const gp_Trsf& theTrsfStart,
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const gp_Trsf& theTrsfEnd);
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protected:
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//! Update the progress.
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Standard_EXPORT virtual void update (const AIS_AnimationProgress& theProgress) Standard_OVERRIDE;
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private:
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gp_TrsfNLerp myTrsfLerp; //!< interpolation tool
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};
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#endif // _AIS_AnimationObject_HeaderFile
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