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https://github.com/EsotericSoftware/spine-runtimes.git
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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated May 1, 2019. Replaces all prior versions.
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*
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* Copyright (c) 2013-2019, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
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* INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE 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/ConstraintData.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 Updatable {
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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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bool isActive();
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void setActive(bool inValue);
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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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bool _active;
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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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