mirror of https://github.com/axmolengine/axmol.git
111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
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/****************************************************************************
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Copyright (c) 2014-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CCANIMATIONCURVE_H__
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#define __CCANIMATIONCURVE_H__
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#include <cmath>
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#include <functional>
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#include "platform/CCPlatformMacros.h"
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#include "base/CCRef.h"
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#include "math/CCMath.h"
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NS_CC_BEGIN
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/**
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* @addtogroup _3d
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* @{
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*/
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/**
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* Evaluate Type
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*/
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enum class EvaluateType
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{
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INT_LINEAR,
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INT_NEAR,
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INT_QUAT_SLERP,
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INT_USER_FUNCTION,
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};
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/**
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* @brief curve of bone's position, rotation or scale
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*
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* @lua NA
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*/
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template <int componentSize>
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class AnimationCurve: public Ref
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{
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public:
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/**create animation curve*/
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static AnimationCurve* create(float* keytime, float* value, int count);
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/**
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* evaluate value of time
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* @param time Time to be estimated
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* @param dst Estimated value of that time
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* @param type EvaluateType
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*/
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void evaluate(float time, float* dst, EvaluateType type) const;
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/**set evaluate function, allow the user use own function*/
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void setEvaluateFun(std::function<void(float time, float* dst)> fun);
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/**get start time*/
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float getStartTime() const;
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/**get end time*/
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float getEndTime() const;
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CC_CONSTRUCTOR_ACCESS:
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AnimationCurve();
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virtual ~AnimationCurve();
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/**
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* Determine index by time.
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*/
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int determineIndex(float time) const;
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protected:
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float* _value; //
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float* _keytime; //key time(0 - 1), start time _keytime[0], end time _keytime[_count - 1]
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int _count;
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int _componentSizeByte; //component size in byte, position and scale 3 * sizeof(float), rotation 4 * sizeof(float)
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std::function<void(float time, float* dst)> _evaluateFun; //user defined function
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};
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// end of 3d group
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/// @}
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NS_CC_END
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#include "3d/CCAnimationCurve.inl"
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#endif
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