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https://github.com/EsotericSoftware/spine-runtimes.git
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78 lines
3.3 KiB
C++
78 lines
3.3 KiB
C++
/******************************************************************************
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* Spine Runtimes Software License v2.5
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*
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* Copyright (c) 2013-2016, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable, and
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* non-transferable license to use, install, execute, and perform the Spine
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* Runtimes software and derivative works solely for personal or internal
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* use. Without the written permission of Esoteric Software (see Section 2 of
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* the Spine Software License Agreement), you may not (a) modify, translate,
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* adapt, or develop new applications using the Spine Runtimes or otherwise
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* create derivative works or improvements of the Spine Runtimes or (b) remove,
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* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
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* or other intellectual property or proprietary rights notices on or in the
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* Software, including any copy thereof. Redistributions in binary or source
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* form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef Spine_CurveTimeline_h
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#define Spine_CurveTimeline_h
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#include <spine/Timeline.h>
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#include <spine/Vector.h>
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#include <assert.h>
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namespace Spine {
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/// Base class for frames that use an interpolation bezier curve.
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class CurveTimeline : public Timeline {
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RTTI_DECL;
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public:
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CurveTimeline(int frameCount);
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virtual void apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) = 0;
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virtual int getPropertyId() = 0;
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int getFrameCount();
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void setLinear(int frameIndex);
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void setStepped(int frameIndex);
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/// Sets the control handle positions for an interpolation bezier curve used to transition from this keyframe to the next.
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/// cx1 and cx2 are from 0 to 1, representing the percent of time between the two keyframes. cy1 and cy2 are the percent of
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/// the difference between the keyframe's values.
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void setCurve(int frameIndex, float cx1, float cy1, float cx2, float cy2);
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float getCurvePercent(int frameIndex, float percent);
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float getCurveType(int frameIndex);
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protected:
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static const float LINEAR;
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static const float STEPPED;
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static const float BEZIER;
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static const int BEZIER_SIZE;
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private:
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Vector<float> _curves; // type, x, y, ...
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};
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}
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#endif /* Spine_CurveTimeline_h */
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