mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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111 lines
4.1 KiB
C++
111 lines
4.1 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_PathConstraint_h
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#define Spine_PathConstraint_h
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#include <spine/Constraint.h>
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#include <spine/Vector.h>
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namespace spine {
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class PathConstraintData;
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class Skeleton;
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class PathAttachment;
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class Bone;
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class Slot;
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class SP_API PathConstraint : public Constraint {
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friend class Skeleton;
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friend class PathConstraintMixTimeline;
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friend class PathConstraintPositionTimeline;
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friend class PathConstraintSpacingTimeline;
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RTTI_DECL
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public:
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PathConstraint(PathConstraintData& data, Skeleton& skeleton);
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/// Applies the constraint to the constrained bones.
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void apply();
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virtual void update();
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virtual int getOrder();
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float getPosition();
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void setPosition(float inValue);
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float getSpacing();
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void setSpacing(float inValue);
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float getRotateMix();
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void setRotateMix(float inValue);
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float getTranslateMix();
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void setTranslateMix(float inValue);
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Vector<Bone*>& getBones();
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Slot* getTarget();
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void setTarget(Slot* inValue);
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PathConstraintData& getData();
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private:
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static const float EPSILON;
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static const int NONE;
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static const int BEFORE;
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static const int AFTER;
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PathConstraintData& _data;
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Vector<Bone*> _bones;
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Slot* _target;
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float _position, _spacing, _rotateMix, _translateMix;
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Vector<float> _spaces;
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Vector<float> _positions;
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Vector<float> _world;
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Vector<float> _curves;
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Vector<float> _lengths;
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Vector<float> _segments;
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Vector<float>& computeWorldPositions(PathAttachment& path, int spacesCount, bool tangents, bool percentPosition, bool percentSpacing);
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static void addBeforePosition(float p, Vector<float>& temp, int i, Vector<float>& output, int o);
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static void addAfterPosition(float p, Vector<float>& temp, int i, Vector<float>& output, int o);
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static void addCurvePosition(float p, float x1, float y1, float cx1, float cy1, float cx2, float cy2, float x2, float y2, Vector<float>& output, int o, bool tangents);
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};
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}
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#endif /* Spine_PathConstraint_h */
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