1 #ifndef DALI_TOOLKIT_INTERNAL_CUBE_TRANSITION_WAVE_EFFECT_H
2 #define DALI_TOOLKIT_INTERNAL_CUBE_TRANSITION_WAVE_EFFECT_H
5 * Copyright (c) 2021 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.
24 #include <dali-toolkit/devel-api/transition-effects/cube-transition-wave-effect.h>
25 #include <dali-toolkit/internal/transition-effects/cube-transition-effect-impl.h>
31 class CubeTransitionWaveEffect;
35 class CubeTransitionEffect;
37 class CubeTransitionWaveEffect : public CubeTransitionEffect
41 * @copydoc Toolkit::CubeTransitionWaveEffect::New
43 static Toolkit::CubeTransitionWaveEffect New(unsigned int numRows, unsigned int numColumns);
47 * @copydoc Toolkit::Internal::CubeTransitionEffect::OnInitialize
49 void OnInitialize() override;
52 * @copydoc Toolkit::Internal::CubeTransitionEffect::OnStartTransition
54 void OnStartTransition(Vector2 panPosition, Vector2 panDisplacement) override;
58 * Construct a new CubeTransitionWaveEffect object
59 * @param[in] numRows How many rows of cubes
60 * @param[in] numColumns How many columns of cubes
62 CubeTransitionWaveEffect(unsigned int numRows, unsigned int numColumns);
65 * The Saddle surface (Hyperbolic paraboloid)function is used to calculate the delay of rotating animation for each cube
66 * This function calculates the Hyperbolic paraboloid parameters,
67 * and the translation and rotation params for mapping the current stage coordinate to the function defining coordinate system
68 * @param[in] position The press down position of panGesture
69 * @param[in] displacement The displacement vector of panGesture
71 void CalculateSaddleSurfaceParameters(Vector2 position, Vector2 displacement);
74 * Calculate the delay of the animation for each cube
75 * @param[in] x The X coordinate of the cube
76 * @param[in] y The Y coordinate of the cube
77 * @return The delay time of the animation
79 float CalculateDelay(float x, float y, bool forward);
82 //saddle surface(Hyperbolic paraboloid)function, used to calculate the delay time of each cube
83 //z = 1.0 + y*y/a/a - x*x/b/b
84 //with our selection of parameters(a and b), this value for any cube is between 0.0 and 2.0
85 float mSaddleAA; //a*a
86 float mSaddleBB; //b*b
91 }; // class CubeTransitionWaveEffect
93 } // namespace Internal
95 // Helpers for public-api forwarding methods
97 inline Internal::CubeTransitionWaveEffect& GetImpl(Dali::Toolkit::CubeTransitionWaveEffect& obj)
99 DALI_ASSERT_ALWAYS(obj);
101 Dali::RefObject& handle = obj.GetImplementation();
103 return static_cast<Internal::CubeTransitionWaveEffect&>(handle);
106 inline const Internal::CubeTransitionWaveEffect& GetImpl(const Dali::Toolkit::CubeTransitionWaveEffect& obj)
108 DALI_ASSERT_ALWAYS(obj);
110 const Dali::RefObject& handle = obj.GetImplementation();
112 return static_cast<const Internal::CubeTransitionWaveEffect&>(handle);
115 } // namespace Toolkit
119 #endif // DALI_TOOLKIT_INTERNAL_CUBE_TRANSITION_WAVE_EFFECT_H