HBhvInterpolatorScale

Functions

void	`CalculatePos`
void	`CalculateAllTangents`
void	`Reset`
	`HBhvInterpolatorScale`
char const *	`GetType`
HBhvInterpolator *	`CreateInstance`
void	`Insert`
void	`Replace`
void	`Serialize`
void	`Interpolate`
void	`Evaluate`
void *	`XMLCallback`

Detailed Description

class HBhvInterpolatorScale : public HBhvInterpolator 

The HBhvInterpolatorScale class controls scaling. This class can be used for camera interpolation as well other targets.

Public Functions

virtual void CalculatePos(int keyframe, float fraction, HPoint &res)

Calculates the interpolated positional value given a keyframe and fraction to the next keyframe.

Parameters

keyframe – The reference keyframe for this interpolation/
fraction – The fractional value from the specified keyframe to the next keyframe. This value is from 0 to 1.
res – The result of the interpolation.

virtual void CalculateAllTangents(): This is a helper method that calculates the tangents for all the entries in the keyframe array. You can call this method before doing an interpolation.

virtual void Reset(): Resets this interpolator instance.

HBhvInterpolatorScale(HBhvAnimation *animation = 0, char const *name = 0)

Constructs an HBhvInterpolatorScale object.

Parameters

animation – The animation that this interpolator belongs to.
name – The name of the interpolator.

virtual char const *GetType()

Returns: The type of this interpolator which is ‘Scale’.

virtual HBhvInterpolator *CreateInstance(HBhvAnimation *ainst)

In special cases, you may want an interpolator that references this interpolator without changing it. Use this method to create the new interpolator passing a pointer to the animation that you want it to be associated with.

Parameters: ainst – The animation instance that this interpolator is associated with.
Returns: The newly created interpolator that references this interpolator.

inline void Insert(HPoint pos, int l = 0)

This method creates a new keyframe with the passed scaling factor and then inserts it after the given position l in the keyframe array.

Parameters

pos – The scale factors for the new keyframe.
l – The array position to insert item after.

inline void Replace(HPoint pos, int l)

Replaces the item at the given position in the keyframe array with a new keyframe that was created with the passed scaling factors.

Parameters

pos – The scale factors for the replacement keyframe.
l – The array position to replace.

virtual void Serialize(HUtilityXMLGenerator *xmlgen): Writes XML data to a buffer using the passed XML generator.

virtual void Interpolate(int keyframe, float fraction)

Performs an interpolation on the animation target.

Parameters

keyframe – The reference keyframe for this interpolation.
fraction – The fraction value from the specified keyframe to the next keyframe. The value is from 0 to 1.

virtual void Evaluate(int keyframe, float fraction, bool &hasPos, HPoint &pos, bool &hasQuat, HQuat &quat, bool &hasScale, HPoint &scale)

Public Static Functions

static void *XMLCallback(HUtilityXMLTag *xt, bool open, void *m_pExtraData): This is XML read callback which parses XML data and then populates the member variables with the associated values.