1 #ifndef __DALI_INTERNAL_SCENE_GRAPH_ANIMATOR_H__
2 #define __DALI_INTERNAL_SCENE_GRAPH_ANIMATOR_H__
5 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/animation/alpha-function.h>
23 #include <dali/public-api/animation/animation.h>
24 #include <dali/public-api/animation/time-period.h>
25 #include <dali/public-api/common/constants.h>
26 #include <dali/public-api/common/dali-common.h>
27 #include <dali/public-api/math/quaternion.h>
28 #include <dali/public-api/math/radian.h>
29 #include <dali/devel-api/common/owner-container.h>
30 #include <dali/internal/event/animation/key-frames-impl.h>
31 #include <dali/internal/event/animation/path-impl.h>
32 #include <dali/internal/update/nodes/node.h>
33 #include <dali/internal/update/common/property-base.h>
34 #include <dali/internal/update/animation/property-accessor.h>
35 #include <dali/integration-api/debug.h>
43 typedef Dali::Animation::Interpolation Interpolation;
45 struct AnimatorFunctionBase;
52 typedef OwnerContainer< AnimatorBase* > AnimatorContainer;
54 typedef AnimatorContainer::Iterator AnimatorIter;
55 typedef AnimatorContainer::ConstIterator AnimatorConstIter;
58 * An abstract base class for Animators, which can be added to scene graph animations.
59 * Each animator changes a single property of an object in the scene graph.
65 typedef float (*AlphaFunc)(float progress); ///< Definition of an alpha function
68 * Observer to determine when the animator is no longer present
70 class LifecycleObserver
74 * Called shortly before the animator is destroyed.
76 virtual void ObjectDestroyed() = 0;
80 * Virtual destructor, no deletion through this interface
82 virtual ~LifecycleObserver() = default;
90 : mLifecycleObserver(nullptr),
91 mDurationSeconds(1.0f),
92 mIntervalDelaySeconds(0.0f),
95 mAlphaFunction(AlphaFunction::DEFAULT),
96 mDisconnectAction(Dali::Animation::BakeFinal),
97 mAnimationPlaying(false),
99 mConnectedToSceneGraph(false),
100 mAutoReverseEnabled( false )
105 * Virtual destructor.
107 virtual ~AnimatorBase()
109 if( mLifecycleObserver != nullptr )
111 mLifecycleObserver->ObjectDestroyed();
115 void AddLifecycleObserver( LifecycleObserver& observer )
117 mLifecycleObserver = &observer;
120 void RemoveLifecycleObserver( LifecycleObserver& observer )
122 mLifecycleObserver = nullptr;
126 * Called when Animator is added to the scene-graph in update-thread.
128 virtual void ConnectToSceneGraph() = 0;
131 * Set the duration of the animator.
132 * @pre durationSeconds must be zero or greater; zero is useful when animating boolean values.
133 * @param [in] seconds Duration in seconds.
135 void SetDuration(float seconds)
137 DALI_ASSERT_DEBUG(seconds >= 0.0f);
139 mDurationSeconds = seconds;
143 * Retrieve the duration of the animator.
144 * @return The duration in seconds.
146 float GetDuration() const
148 return mDurationSeconds;
151 void SetSpeedFactor( float factor )
153 mSpeedFactor = factor;
156 void SetLoopCount(int32_t loopCount)
158 mLoopCount = loopCount;
161 float SetProgress( float progress )
165 if( mAutoReverseEnabled )
167 if( mSpeedFactor > 0.0f )
169 value = 1.0f - 2.0f * std::abs( progress - 0.5f );
172 else if( mSpeedFactor < 0.0f )
174 value = 2.0f * std::abs( progress - 0.5f );
186 * Set the delay before the animator should take effect.
187 * The default is zero i.e. no delay.
188 * @param [in] seconds The delay in seconds.
190 void SetIntervalDelay(float seconds)
192 mIntervalDelaySeconds = seconds;
196 * Retrieve the delay before the animator should take effect.
197 * @return The delay in seconds.
199 float GetIntervalDelay() const
201 return mIntervalDelaySeconds;
205 * Set the alpha function for an animator.
206 * @param [in] alphaFunc The alpha function to apply to the animation progress.
208 void SetAlphaFunction(const AlphaFunction& alphaFunction)
210 mAlphaFunction = alphaFunction;
214 * Retrieve the alpha function of an animator.
215 * @return The function.
217 AlphaFunction GetAlphaFunction() const
219 return mAlphaFunction;
223 * Applies the alpha function to the specified progress
224 * @param[in] Current progress
225 * @return The progress after the alpha function has been aplied
227 float ApplyAlphaFunction( float progress ) const
229 float result = progress;
231 AlphaFunction::Mode alphaFunctionMode( mAlphaFunction.GetMode() );
232 if( alphaFunctionMode == AlphaFunction::BUILTIN_FUNCTION )
234 switch(mAlphaFunction.GetBuiltinFunction())
236 case AlphaFunction::DEFAULT:
237 case AlphaFunction::LINEAR:
241 case AlphaFunction::REVERSE:
243 result = 1.0f-progress;
246 case AlphaFunction::EASE_IN_SQUARE:
248 result = progress * progress;
251 case AlphaFunction::EASE_OUT_SQUARE:
253 result = 1.0f - (1.0f-progress) * (1.0f-progress);
256 case AlphaFunction::EASE_IN:
258 result = progress * progress * progress;
261 case AlphaFunction::EASE_OUT:
263 result = (progress-1.0f) * (progress-1.0f) * (progress-1.0f) + 1.0f;
266 case AlphaFunction::EASE_IN_OUT:
268 result = progress*progress*(3.0f-2.0f*progress);
271 case AlphaFunction::EASE_IN_SINE:
273 result = -1.0f * cosf(progress * Math::PI_2) + 1.0f;
276 case AlphaFunction::EASE_OUT_SINE:
278 result = sinf(progress * Math::PI_2);
281 case AlphaFunction::EASE_IN_OUT_SINE:
283 result = -0.5f * (cosf(Math::PI * progress) - 1.0f);
286 case AlphaFunction::BOUNCE:
288 result = sinf(progress * Math::PI);
291 case AlphaFunction::SIN:
293 result = 0.5f - cosf(progress * 2.0f * Math::PI) * 0.5f;
296 case AlphaFunction::EASE_OUT_BACK:
298 const float sqrt2 = 1.70158f;
300 result = 1.0f + progress * progress * ( ( sqrt2 + 1.0f ) * progress + sqrt2 );
303 case AlphaFunction::COUNT:
309 else if( alphaFunctionMode == AlphaFunction::CUSTOM_FUNCTION )
311 AlphaFunctionPrototype customFunction = mAlphaFunction.GetCustomFunction();
314 result = customFunction(progress);
319 //If progress is very close to 0 or very close to 1 we don't need to evaluate the curve as the result will
320 //be almost 0 or almost 1 respectively
321 if( ( progress > Math::MACHINE_EPSILON_1 ) && ((1.0f - progress) > Math::MACHINE_EPSILON_1) )
323 Dali::Vector4 controlPoints = mAlphaFunction.GetBezierControlPoints();
325 static const float tolerance = 0.001f; //10 iteration max
327 //Perform a binary search on the curve
328 float lowerBound(0.0f);
329 float upperBound(1.0f);
330 float currentT(0.5f);
331 float currentX = EvaluateCubicBezier( controlPoints.x, controlPoints.z, currentT);
332 while( fabsf( progress - currentX ) > tolerance )
334 if( progress > currentX )
336 lowerBound = currentT;
340 upperBound = currentT;
342 currentT = (upperBound+lowerBound)*0.5f;
343 currentX = EvaluateCubicBezier( controlPoints.x, controlPoints.z, currentT);
345 result = EvaluateCubicBezier( controlPoints.y, controlPoints.w, currentT);
353 * Whether to bake the animation if attached property owner is disconnected.
354 * Property is only baked if the animator is active.
355 * @param [in] action The disconnect action.
357 void SetDisconnectAction( Dali::Animation::EndAction action )
359 mDisconnectAction = action;
363 * Retrieve the disconnect action of an animator.
364 * @return The disconnect action.
366 Dali::Animation::EndAction GetDisconnectAction() const
368 return mDisconnectAction;
372 * Whether the animator is active or not.
373 * @param [in] active The new active state.
374 * @post When the animator becomes active, it applies the disconnect-action if the property owner is then disconnected.
375 * @note When the property owner is disconnected, the active state is set to false.
377 void SetActive( bool active )
379 mAnimationPlaying = active;
383 * Retrive wheter the animator's target object is valid and on the stage.
384 * @return The enabled state.
386 bool IsEnabled() const
392 * @brief Sets the looping mode.
393 * @param[in] loopingMode True when the looping mode is AUTO_REVERSE
395 void SetLoopingMode( bool loopingMode )
397 mAutoReverseEnabled = loopingMode;
401 * Returns wheter the target object of the animator is still valid
402 * or has been destroyed.
403 * @return True if animator is orphan, false otherwise *
404 * @note The SceneGraph::Animation will delete any orphan animator in its Update method.
406 virtual bool Orphan() = 0;
409 * Update the scene object attached to the animator.
410 * @param[in] bufferIndex The buffer to animate.
411 * @param[in] progress A value from 0 to 1, where 0 is the start of the animation, and 1 is the end point.
412 * @param[in] bake Bake.
414 virtual void Update(BufferIndex bufferIndex, float progress, bool bake) = 0;
419 * Helper function to evaluate a cubic bezier curve assuming first point is at 0.0 and last point is at 1.0
420 * @param[in] p0 First control point of the bezier curve
421 * @param[in] p1 Second control point of the bezier curve
422 * @param[in] t A floating point value between 0.0 and 1.0
423 * @return Value of the curve at progress t
425 inline float EvaluateCubicBezier( float p0, float p1, float t ) const
428 return 3.0f*(1.0f-t)*(1.0f-t)*t*p0 + 3.0f*(1.0f-t)*tSquare*p1 + tSquare*t;
431 LifecycleObserver* mLifecycleObserver;
432 float mDurationSeconds;
433 float mIntervalDelaySeconds;
438 AlphaFunction mAlphaFunction;
440 Dali::Animation::EndAction mDisconnectAction; ///< EndAction to apply when target object gets disconnected from the stage.
441 bool mAnimationPlaying:1; ///< whether disconnect has been applied while it's running.
442 bool mEnabled:1; ///< Animator is "enabled" while its target object is valid and on the stage.
443 bool mConnectedToSceneGraph:1; ///< True if ConnectToSceneGraph() has been called in update-thread.
444 bool mAutoReverseEnabled:1;
448 * An animator for a specific property type PropertyType.
450 template < typename PropertyType, typename PropertyAccessorType >
451 class Animator : public AnimatorBase, public PropertyOwner::Observer
456 * Construct a new property animator.
457 * @param[in] property The animatable property; only valid while the Animator is attached.
458 * @param[in] animatorFunction The function used to animate the property.
459 * @param[in] alphaFunction The alpha function to apply.
460 * @param[in] timePeriod The time period of this animation.
461 * @return A newly allocated animator.
463 static AnimatorBase* New( const PropertyOwner& propertyOwner,
464 const PropertyBase& property,
465 AnimatorFunctionBase* animatorFunction,
466 AlphaFunction alphaFunction,
467 const TimePeriod& timePeriod )
469 typedef Animator< PropertyType, PropertyAccessorType > AnimatorType;
471 // The property was const in the actor-thread, but animators are used in the scene-graph thread.
472 AnimatorType* animator = new AnimatorType( const_cast<PropertyOwner*>( &propertyOwner ),
473 const_cast<PropertyBase*>( &property ),
476 animator->SetAlphaFunction( alphaFunction );
477 animator->SetIntervalDelay( timePeriod.delaySeconds );
478 animator->SetDuration( timePeriod.durationSeconds );
484 * Virtual destructor.
488 if (mPropertyOwner && mConnectedToSceneGraph)
490 mPropertyOwner->RemoveObserver(*this);
493 delete mAnimatorFunction;
497 * Called when Animator is added to the scene-graph in update-thread.
499 virtual void ConnectToSceneGraph()
501 mConnectedToSceneGraph = true;
502 mPropertyOwner->AddObserver(*this);
506 * Called when mPropertyOwner is connected to the scene graph.
508 virtual void PropertyOwnerConnected( PropertyOwner& owner )
514 * Called when mPropertyOwner is disconnected from the scene graph.
516 virtual void PropertyOwnerDisconnected( BufferIndex bufferIndex, PropertyOwner& owner )
518 // If we are active, then bake the value if required
519 if ( mAnimationPlaying && mDisconnectAction != Dali::Animation::Discard )
521 // Bake to target-value if BakeFinal, otherwise bake current value
522 Update( bufferIndex, ( mDisconnectAction == Dali::Animation::Bake ? mCurrentProgress : 1.0f ), true );
529 * Called shortly before mPropertyOwner is destroyed
531 virtual void PropertyOwnerDestroyed( PropertyOwner& owner )
533 mPropertyOwner = NULL;
539 virtual void Update( BufferIndex bufferIndex, float progress, bool bake )
541 if( mLoopCount >= 0 )
543 // Update the progress value
544 progress = SetProgress( progress );
547 float alpha = ApplyAlphaFunction( progress );
549 const PropertyType& current = mPropertyAccessor.Get( bufferIndex );
551 // need to cast the return value in case property is integer
552 const PropertyType result = static_cast<PropertyType>( (*mAnimatorFunction)( alpha, current ) );
555 mPropertyAccessor.Bake( bufferIndex, result );
559 mPropertyAccessor.Set( bufferIndex, result );
562 mCurrentProgress = progress;
568 virtual bool Orphan()
570 return (mPropertyOwner == NULL);
576 * Private constructor; see also Animator::New().
578 Animator( PropertyOwner* propertyOwner,
579 PropertyBase* property,
580 AnimatorFunctionBase* animatorFunction )
581 : mPropertyOwner( propertyOwner ),
582 mPropertyAccessor( property ),
583 mAnimatorFunction( animatorFunction ),
584 mCurrentProgress( 0.0f )
586 // WARNING - this object is created in the event-thread
587 // The scene-graph mPropertyOwner object cannot be observed here
591 Animator( const Animator& );
594 Animator& operator=( const Animator& );
598 PropertyOwner* mPropertyOwner;
599 PropertyAccessorType mPropertyAccessor;
601 AnimatorFunctionBase* mAnimatorFunction;
602 float mCurrentProgress;
608 * An animator for a specific property type PropertyType.
610 template <typename T, typename PropertyAccessorType>
611 class AnimatorTransformProperty : public AnimatorBase, public PropertyOwner::Observer
616 * Construct a new property animator.
617 * @param[in] property The animatable property; only valid while the Animator is attached.
618 * @param[in] animatorFunction The function used to animate the property.
619 * @param[in] alphaFunction The alpha function to apply.
620 * @param[in] timePeriod The time period of this animation.
621 * @return A newly allocated animator.
623 static AnimatorBase* New( const PropertyOwner& propertyOwner,
624 const PropertyBase& property,
625 AnimatorFunctionBase* animatorFunction,
626 AlphaFunction alphaFunction,
627 const TimePeriod& timePeriod )
630 // The property was const in the actor-thread, but animators are used in the scene-graph thread.
631 AnimatorTransformProperty* animator = new AnimatorTransformProperty( const_cast<PropertyOwner*>( &propertyOwner ),
632 const_cast<PropertyBase*>( &property ),
635 animator->SetAlphaFunction( alphaFunction );
636 animator->SetIntervalDelay( timePeriod.delaySeconds );
637 animator->SetDuration( timePeriod.durationSeconds );
643 * Virtual destructor.
645 virtual ~AnimatorTransformProperty()
647 if (mPropertyOwner && mConnectedToSceneGraph)
649 mPropertyOwner->RemoveObserver(*this);
652 delete mAnimatorFunction;
656 * Called when Animator is added to the scene-graph in update-thread.
658 virtual void ConnectToSceneGraph()
660 mConnectedToSceneGraph = true;
661 mPropertyOwner->AddObserver(*this);
665 * Called when mPropertyOwner is connected to the scene graph.
667 virtual void PropertyOwnerConnected( PropertyOwner& owner )
673 * Called when mPropertyOwner is disconnected from the scene graph.
675 virtual void PropertyOwnerDisconnected( BufferIndex bufferIndex, PropertyOwner& owner )
677 // If we are active, then bake the value if required
678 if ( mAnimationPlaying && mDisconnectAction != Dali::Animation::Discard )
680 // Bake to target-value if BakeFinal, otherwise bake current value
681 Update( bufferIndex, ( mDisconnectAction == Dali::Animation::Bake ? mCurrentProgress : 1.0f ), true );
688 * Called shortly before mPropertyOwner is destroyed
690 virtual void PropertyOwnerDestroyed( PropertyOwner& owner )
692 mPropertyOwner = NULL;
698 virtual void Update( BufferIndex bufferIndex, float progress, bool bake )
700 if( mLoopCount >= 0 )
702 // Update the progress value
703 progress = SetProgress( progress );
706 float alpha = ApplyAlphaFunction( progress );
708 const T& current = mPropertyAccessor.Get( bufferIndex );
710 // need to cast the return value in case property is integer
711 T result = static_cast<T>( (*mAnimatorFunction)( alpha, current ) );
715 mPropertyAccessor.Bake( bufferIndex, result );
719 mPropertyAccessor.Set( bufferIndex, result );
722 mCurrentProgress = progress;
728 virtual bool Orphan()
730 return (mPropertyOwner == NULL);
736 * Private constructor; see also Animator::New().
738 AnimatorTransformProperty( PropertyOwner* propertyOwner,
739 PropertyBase* property,
740 AnimatorFunctionBase* animatorFunction )
741 : mPropertyOwner( propertyOwner ),
742 mPropertyAccessor( property ),
743 mAnimatorFunction( animatorFunction ),
744 mCurrentProgress( 0.0f )
746 // WARNING - this object is created in the event-thread
747 // The scene-graph mPropertyOwner object cannot be observed here
751 AnimatorTransformProperty( const AnimatorTransformProperty& );
754 AnimatorTransformProperty& operator=( const AnimatorTransformProperty& );
758 PropertyOwner* mPropertyOwner;
759 PropertyAccessorType mPropertyAccessor;
761 AnimatorFunctionBase* mAnimatorFunction;
762 float mCurrentProgress;
765 } // namespace SceneGraph
768 * AnimatorFunction base class.
769 * All update functions must inherit from AnimatorFunctionBase and overload the appropiate "()" operator
771 struct AnimatorFunctionBase
776 AnimatorFunctionBase(){}
779 * Virtual destructor (Intended as base class)
781 virtual ~AnimatorFunctionBase(){}
783 ///Stub "()" operators.
784 virtual bool operator()(float progress, const bool& property)
789 virtual float operator()(float progress, const int32_t& property)
791 return static_cast<float>( property );
794 virtual float operator()(float progress, const float& property)
799 virtual Vector2 operator()(float progress, const Vector2& property)
804 virtual Vector3 operator()(float progress, const Vector3& property)
809 virtual Vector4 operator()(float progress, const Vector4& property)
814 virtual Quaternion operator()(float progress, const Quaternion& property)
822 struct AnimateByInteger : public AnimatorFunctionBase
824 AnimateByInteger(const int& relativeValue)
825 : mRelative(relativeValue)
829 using AnimatorFunctionBase::operator();
830 float operator()(float alpha, const int32_t& property)
832 // integers need to be correctly rounded
833 return roundf(static_cast<float>( property ) + static_cast<float>( mRelative ) * alpha );
839 struct AnimateToInteger : public AnimatorFunctionBase
841 AnimateToInteger(const int& targetValue)
842 : mTarget(targetValue)
846 using AnimatorFunctionBase::operator();
847 float operator()(float alpha, const int32_t& property)
849 // integers need to be correctly rounded
850 return roundf(static_cast<float>( property ) + (static_cast<float>(mTarget - property) * alpha) );
856 struct AnimateByFloat : public AnimatorFunctionBase
858 AnimateByFloat(const float& relativeValue)
859 : mRelative(relativeValue)
863 using AnimatorFunctionBase::operator();
864 float operator()(float alpha, const float& property)
866 return float(property + mRelative * alpha);
872 struct AnimateToFloat : public AnimatorFunctionBase
874 AnimateToFloat(const float& targetValue)
875 : mTarget(targetValue)
879 using AnimatorFunctionBase::operator();
880 float operator()(float alpha, const float& property)
882 return float(property + ((mTarget - property) * alpha));
888 struct AnimateByVector2 : public AnimatorFunctionBase
890 AnimateByVector2(const Vector2& relativeValue)
891 : mRelative(relativeValue)
895 using AnimatorFunctionBase::operator();
896 Vector2 operator()(float alpha, const Vector2& property)
898 return Vector2(property + mRelative * alpha);
904 struct AnimateToVector2 : public AnimatorFunctionBase
906 AnimateToVector2(const Vector2& targetValue)
907 : mTarget(targetValue)
911 using AnimatorFunctionBase::operator();
912 Vector2 operator()(float alpha, const Vector2& property)
914 return Vector2(property + ((mTarget - property) * alpha));
920 struct AnimateByVector3 : public AnimatorFunctionBase
922 AnimateByVector3(const Vector3& relativeValue)
923 : mRelative(relativeValue)
927 using AnimatorFunctionBase::operator();
928 Vector3 operator()(float alpha, const Vector3& property)
930 return Vector3(property + mRelative * alpha);
936 struct AnimateToVector3 : public AnimatorFunctionBase
938 AnimateToVector3(const Vector3& targetValue)
939 : mTarget(targetValue)
943 using AnimatorFunctionBase::operator();
944 Vector3 operator()(float alpha, const Vector3& property)
946 return Vector3(property + ((mTarget - property) * alpha));
952 struct AnimateByVector4 : public AnimatorFunctionBase
954 AnimateByVector4(const Vector4& relativeValue)
955 : mRelative(relativeValue)
959 using AnimatorFunctionBase::operator();
960 Vector4 operator()(float alpha, const Vector4& property)
962 return Vector4(property + mRelative * alpha);
968 struct AnimateToVector4 : public AnimatorFunctionBase
970 AnimateToVector4(const Vector4& targetValue)
971 : mTarget(targetValue)
975 using AnimatorFunctionBase::operator();
976 Vector4 operator()(float alpha, const Vector4& property)
978 return Vector4(property + ((mTarget - property) * alpha));
984 struct AnimateByOpacity : public AnimatorFunctionBase
986 AnimateByOpacity(const float& relativeValue)
987 : mRelative(relativeValue)
991 using AnimatorFunctionBase::operator();
992 Vector4 operator()(float alpha, const Vector4& property)
994 Vector4 result(property);
995 result.a += mRelative * alpha;
1003 struct AnimateToOpacity : public AnimatorFunctionBase
1005 AnimateToOpacity(const float& targetValue)
1006 : mTarget(targetValue)
1010 using AnimatorFunctionBase::operator();
1011 Vector4 operator()(float alpha, const Vector4& property)
1013 Vector4 result(property);
1014 result.a = property.a + ((mTarget - property.a) * alpha);
1022 struct AnimateByBoolean : public AnimatorFunctionBase
1024 AnimateByBoolean(bool relativeValue)
1025 : mRelative(relativeValue)
1029 using AnimatorFunctionBase::operator();
1030 bool operator()(float alpha, const bool& property)
1032 // Alpha is not useful here, just keeping to the same template as other update functors
1033 return bool(alpha >= 1.0f ? (property || mRelative) : property);
1039 struct AnimateToBoolean : public AnimatorFunctionBase
1041 AnimateToBoolean(bool targetValue)
1042 : mTarget(targetValue)
1046 using AnimatorFunctionBase::operator();
1047 bool operator()(float alpha, const bool& property)
1049 // Alpha is not useful here, just keeping to the same template as other update functors
1050 return bool(alpha >= 1.0f ? mTarget : property);
1056 struct RotateByAngleAxis : public AnimatorFunctionBase
1058 RotateByAngleAxis(const Radian& angleRadians, const Vector3& axis)
1059 : mAngleRadians( angleRadians ),
1060 mAxis(axis.x, axis.y, axis.z)
1064 using AnimatorFunctionBase::operator();
1065 Quaternion operator()(float alpha, const Quaternion& rotation)
1069 return rotation * Quaternion(mAngleRadians * alpha, mAxis);
1075 Radian mAngleRadians;
1079 struct RotateToQuaternion : public AnimatorFunctionBase
1081 RotateToQuaternion(const Quaternion& targetValue)
1082 : mTarget(targetValue)
1086 using AnimatorFunctionBase::operator();
1087 Quaternion operator()(float alpha, const Quaternion& rotation)
1089 return Quaternion::Slerp(rotation, mTarget, alpha);
1096 struct KeyFrameBooleanFunctor : public AnimatorFunctionBase
1098 KeyFrameBooleanFunctor(KeyFrameBooleanPtr keyFrames)
1099 : mKeyFrames(keyFrames)
1103 using AnimatorFunctionBase::operator();
1104 bool operator()(float progress, const bool& property)
1106 if(mKeyFrames->IsActive(progress))
1108 return mKeyFrames->GetValue(progress, Dali::Animation::Linear);
1113 KeyFrameBooleanPtr mKeyFrames;
1116 struct KeyFrameIntegerFunctor : public AnimatorFunctionBase
1118 KeyFrameIntegerFunctor(KeyFrameIntegerPtr keyFrames, Interpolation interpolation)
1119 : mKeyFrames(keyFrames),mInterpolation(interpolation)
1123 using AnimatorFunctionBase::operator();
1124 float operator()(float progress, const int32_t& property)
1126 if(mKeyFrames->IsActive(progress))
1128 return static_cast<float>( mKeyFrames->GetValue(progress, mInterpolation) );
1130 return static_cast<float>( property );
1133 KeyFrameIntegerPtr mKeyFrames;
1134 Interpolation mInterpolation;
1137 struct KeyFrameNumberFunctor : public AnimatorFunctionBase
1139 KeyFrameNumberFunctor(KeyFrameNumberPtr keyFrames, Interpolation interpolation)
1140 : mKeyFrames(keyFrames),mInterpolation(interpolation)
1144 using AnimatorFunctionBase::operator();
1145 float operator()(float progress, const float& property)
1147 if(mKeyFrames->IsActive(progress))
1149 return mKeyFrames->GetValue(progress, mInterpolation);
1154 KeyFrameNumberPtr mKeyFrames;
1155 Interpolation mInterpolation;
1158 struct KeyFrameVector2Functor : public AnimatorFunctionBase
1160 KeyFrameVector2Functor(KeyFrameVector2Ptr keyFrames, Interpolation interpolation)
1161 : mKeyFrames(keyFrames),mInterpolation(interpolation)
1165 using AnimatorFunctionBase::operator();
1166 Vector2 operator()(float progress, const Vector2& property)
1168 if(mKeyFrames->IsActive(progress))
1170 return mKeyFrames->GetValue(progress, mInterpolation);
1175 KeyFrameVector2Ptr mKeyFrames;
1176 Interpolation mInterpolation;
1180 struct KeyFrameVector3Functor : public AnimatorFunctionBase
1182 KeyFrameVector3Functor(KeyFrameVector3Ptr keyFrames, Interpolation interpolation)
1183 : mKeyFrames(keyFrames),mInterpolation(interpolation)
1187 using AnimatorFunctionBase::operator();
1188 Vector3 operator()(float progress, const Vector3& property)
1190 if(mKeyFrames->IsActive(progress))
1192 return mKeyFrames->GetValue(progress, mInterpolation);
1197 KeyFrameVector3Ptr mKeyFrames;
1198 Interpolation mInterpolation;
1201 struct KeyFrameVector4Functor : public AnimatorFunctionBase
1203 KeyFrameVector4Functor(KeyFrameVector4Ptr keyFrames, Interpolation interpolation)
1204 : mKeyFrames(keyFrames),mInterpolation(interpolation)
1208 using AnimatorFunctionBase::operator();
1209 Vector4 operator()(float progress, const Vector4& property)
1211 if(mKeyFrames->IsActive(progress))
1213 return mKeyFrames->GetValue(progress, mInterpolation);
1218 KeyFrameVector4Ptr mKeyFrames;
1219 Interpolation mInterpolation;
1222 struct KeyFrameQuaternionFunctor : public AnimatorFunctionBase
1224 KeyFrameQuaternionFunctor(KeyFrameQuaternionPtr keyFrames)
1225 : mKeyFrames(keyFrames)
1229 using AnimatorFunctionBase::operator();
1230 Quaternion operator()(float progress, const Quaternion& property)
1232 if(mKeyFrames->IsActive(progress))
1234 return mKeyFrames->GetValue(progress, Dali::Animation::Linear);
1239 KeyFrameQuaternionPtr mKeyFrames;
1242 struct PathPositionFunctor : public AnimatorFunctionBase
1244 PathPositionFunctor( PathPtr path )
1249 using AnimatorFunctionBase::operator();
1250 Vector3 operator()(float progress, const Vector3& property)
1252 Vector3 position(property);
1253 static_cast<void>( mPath->SamplePosition(progress, position) );
1260 struct PathRotationFunctor : public AnimatorFunctionBase
1262 PathRotationFunctor( PathPtr path, const Vector3& forward )
1266 mForward.Normalize();
1269 using AnimatorFunctionBase::operator();
1270 Quaternion operator()(float progress, const Quaternion& property)
1273 if( mPath->SampleTangent(progress, tangent) )
1275 return Quaternion( mForward, tangent );
1287 } // namespace Internal
1291 #endif // __DALI_INTERNAL_SCENE_GRAPH_ANIMATOR_H__