NAME

       SoShuttle -

       The SoShuttle class is used to oscillate between two translations.

       A smooth transition between translation0 and translation1 is created using a cosine
       function. In the beginning of the cycle, translation0 is used. Halfway through the cycle,
       the resulting translation equals translation1, and at the end of the cycle, we're at
       translation0 again.

SYNOPSIS

       #include <Inventor/nodes/SoShuttle.h>

       Inherits SoTranslation.

   Public Member Functions
       virtual SoType getTypeId (void) const
           Returns the type identification of an object derived from a class inheriting SoBase.
           This is used for run-time type checking and 'downward' casting.
       SoShuttle (void)
       virtual void write (SoWriteAction *action)

   Static Public Member Functions
       static SoType getClassTypeId (void)
       static void initClass (void)

   Public Attributes
       SoSFVec3f translation0
       SoSFVec3f translation1
       SoSFFloat speed
       SoSFBool on

   Protected Member Functions
       virtual const SoFieldData * getFieldData (void) const
       virtual ~SoShuttle ()

   Static Protected Member Functions
       static const SoFieldData ** getFieldDataPtr (void)

   Additional Inherited Members

Detailed Description

       The SoShuttle class is used to oscillate between two translations.

       A smooth transition between translation0 and translation1 is created using a cosine
       function. In the beginning of the cycle, translation0 is used. Halfway through the cycle,
       the resulting translation equals translation1, and at the end of the cycle, we're at
       translation0 again.

       FILE FORMAT/DEFAULTS:

       Shuttle {
           translation 0 0 0
           translation0 0 0 0
           translation1 0 0 0
           speed 1
           on TRUE
       }

Constructor & Destructor Documentation

   SoShuttle::SoShuttle (void)
       Constructor.

   SoShuttle::~SoShuttle () [protected],  [virtual]
       Destructor.

Member Function Documentation

   SoType SoShuttle::getTypeId (void) const [virtual]
       Returns the type identification of an object derived from a class inheriting SoBase. This
       is used for run-time type checking and 'downward' casting. Usage example:

       void foo(SoNode * node)
       {
         if (node->getTypeId() == SoFile::getClassTypeId()) {
           SoFile * filenode = (SoFile *)node;  // safe downward cast, knows the type
         }
       }

       For application programmers wanting to extend the library with new nodes, engines,
       nodekits, draggers or others: this method needs to be overridden in all subclasses. This
       is typically done as part of setting up the full type system for extension classes, which
       is usually accomplished by using the pre-defined macros available through for instance
       Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes),
       Inventor/engines/SoSubEngine.h (for engine classes) and so on.

       For more information on writing Coin extensions, see the class documentation of the
       toplevel superclasses for the various class groups.

       Reimplemented from SoTranslation.

   const SoFieldData * SoShuttle::getFieldData (void) const [protected],  [virtual]
       Returns a pointer to the class-wide field data storage object for this instance. If no
       fields are present, returns NULL.

       Reimplemented from SoTranslation.

   void SoShuttle::write (SoWriteAction *action) [virtual]
       Action method for SoWriteAction.

       Writes out a node object, and any connected nodes, engines etc, if necessary.

       Reimplemented from SoNode.

Member Data Documentation

   SoSFVec3f SoShuttle::translation0
       Translation at the start and end of the cycle. Default value is (0, 0, 0).

   SoSFVec3f SoShuttle::translation1
       Translation at the middle of the cycle. Default value is (0, 0, 0).

   SoSFFloat SoShuttle::speed
       Number of cycles per second. Default value is 1.

   SoSFBool SoShuttle::on
       Toggles animation on or off. Defauls to TRUE.

Author

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