mirror of https://github.com/axmolengine/axmol.git
120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2012-2018 DragonBones team and other contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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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, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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//
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// Created by liangshuochen on 12/06/2017.
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//
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#ifndef DRAGONBONESCPP_CONSTRAINTS_H
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#define DRAGONBONESCPP_CONSTRAINTS_H
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#include "../core/BaseObject.h"
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#include "../geom/Matrix.h"
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#include "../geom/Transform.h"
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#include "../geom/Point.h"
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#include "../model/ArmatureData.h"
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#include "../model/ConstraintData.h"
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DRAGONBONES_NAMESPACE_BEGIN
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/**
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* @internal
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*/
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class Constraint : public BaseObject
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{
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ABSTRACT_CLASS(Constraint)
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protected:
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static Matrix _helpMatrix;
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static Transform _helpTransform;
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static Point _helpPoint;
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public:
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/**
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* - For timeline state.
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* @internal
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*/
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ConstraintData* _constraintData;
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/**
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* - For sort bones.
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* @internal
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*/
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Bone* _target;
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/**
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* - For sort bones.
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* @internal
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*/
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Bone* _root;
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protected:
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Armature* _armature;
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Bone* _bone;
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virtual void _onClear() override;
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public:
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virtual void init(ConstraintData* constraintData, Armature* armature) = 0;
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virtual void update() = 0;
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virtual void invalidUpdate() = 0;
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inline const std::string& getName()
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{
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return _constraintData->name;
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}
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};
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/**
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* @internal
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*/
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class IKConstraint : public Constraint
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{
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BIND_CLASS_TYPE_A(IKConstraint);
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public:
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/**
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* - For timeline state.
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* @internal
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*/
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bool _bendPositive;
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/**
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* - For timeline state.
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* @internal
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*/
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float _weight;
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private:
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bool _scaleEnabled;
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protected:
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virtual void _onClear() override;
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private:
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void _computeA();
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void _computeB();
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public:
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virtual void init(ConstraintData* constraintData, Armature* armature) override;
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virtual void update() override;
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virtual void invalidUpdate() override;
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};
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DRAGONBONES_NAMESPACE_END
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#endif //DRAGONBONESCPP_CONSTRAINTS_H
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