mirror of https://github.com/axmolengine/axmol.git
304 lines
10 KiB
C++
304 lines
10 KiB
C++
/****************************************************************************
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Copyright (c) 2013 cocos2d-x.org
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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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#include "CCPhysicsSetting.h"
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#ifdef CC_USE_PHYSICS
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#ifndef __CCPHYSICS_BODY_H__
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#define __CCPHYSICS_BODY_H__
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#include "CCObject.h"
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#include "CCGeometry.h"
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#include "CCArray.h"
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#include "CCPhysicsShape.h"
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#include <vector>
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NS_CC_BEGIN
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class Sprite;
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class PhysicsWorld;
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class PhysicsJoint;
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class PhysicsBodyInfo;
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const PhysicsMaterial PHYSICSBODY_MATERIAL_DEFAULT(0.1f, 0.5f, 0.5f);
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/**
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* A body affect by physics.
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* it can attach one or more shapes.
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*/
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class PhysicsBody : public Object//, public Clonable
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{
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public:
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static PhysicsBody* create();
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static PhysicsBody* create(float mass);
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static PhysicsBody* create(float mass, float moment);
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/**
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* @brief Create a body contains a circle shape.
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*/
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static PhysicsBody* createCircle(float radius, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT);
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/**
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* @brief Create a body contains a box shape.
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*/
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static PhysicsBody* createBox(Size size, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT);
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/**
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* @brief Create a body contains a polygon shape.
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* points is an array of Point structs defining a convex hull with a clockwise winding.
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*/
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static PhysicsBody* createPolygon(Point* points, int count, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT);
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/**
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* @brief Create a body contains a EdgeSegment shape.
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*/
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static PhysicsBody* createEdgeSegment(Point a, Point b, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT, float border = 1);
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/**
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* @brief Create a body contains a EdgeBox shape.
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*/
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static PhysicsBody* createEdgeBox(Size size, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT, float border = 1);
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/**
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* @brief Create a body contains a EdgePolygon shape.
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*/
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static PhysicsBody* createEdgePolygon(Point* points, int count, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT, float border = 1);
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/**
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* @brief Create a body contains a EdgeChain shape.
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*/
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static PhysicsBody* createEdgeChain(Point* points, int count, PhysicsMaterial material = PHYSICSBODY_MATERIAL_DEFAULT, float border = 1);
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virtual PhysicsShape* addShape(PhysicsShape* shape);
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/**
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* @brief Applies a immediate force to body.
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*/
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virtual void applyForce(Point force);
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/**
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* @brief Applies a immediate force to body.
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*/
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virtual void applyForce(Point force, Point offset);
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/**
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* @brief Applies a continuous force to body.
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*/
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virtual void applyImpulse(Point impulse);
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/**
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* @brief Applies a continuous force to body.
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*/
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virtual void applyImpulse(Point impulse, Point offset);
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/**
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* @brief Applies a torque force to body.
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*/
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virtual void applyTorque(float torque);
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virtual void setVelocity(Point velocity);
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virtual Point getVelocity();
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virtual void setAngularVelocity(float velocity);
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virtual float getAngularVelocity();
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virtual void setVelocityLimit(float limit);
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virtual float getVelocityLimit();
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virtual void setAngularVelocityLimit(float limit);
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virtual float getAngularVelocityLimit();
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/*
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* @brief get the body shapes.
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*/
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inline Array* getShapes() const { return _shapes; }
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/*
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* @brief get the first body shapes.
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*/
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inline PhysicsShape* getShape() const { return _shapes->count() >= 1 ? dynamic_cast<PhysicsShape*>(_shapes->getObjectAtIndex(0)) : nullptr; }
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PhysicsShape* getShapeByTag(int tag) const;
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/*
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* @brief remove a shape from body
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*/
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void removeShape(PhysicsShape* shape);
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void removeShapeByTag(int tag);
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/*
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* @brief remove all shapes
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*/
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void removeAllShapes();
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void removeFromWorld();
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/*
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* @brief get the world body added to.
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*/
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inline PhysicsWorld* getWorld() const { return _world; }
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/*
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* @brief get all joints the body have
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*/
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inline const std::vector<PhysicsJoint*>& getJoints() const { return _joints; }
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/*
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* @brief get the sprite the body set to.
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*/
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inline Node* getNode() const { return _node; }
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void setCategoryBitmask(int bitmask);
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void setContactTestBitmask(int bitmask);
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void setCollisionBitmask(int bitmask);
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inline int getCategoryBitmask() const { return _categoryBitmask; }
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inline int getContactTestBitmask() const { return _contactTestBitmask; }
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inline int getCollisionBitmask() const { return _collisionBitmask; }
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void setGroup(int group);
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inline int getGroup() const { return _group; }
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/*
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* @brief get the body position.
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*/
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Point getPosition() const;
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/*
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* @brief get the body rotation.
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*/
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float getRotation() const;
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/*
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* @brief test the body is dynamic or not.
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* a dynamic body will effect with gravity.
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*/
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inline bool isDynamic() const { return _dynamic; }
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/*
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* @brief set dynamic to body.
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* a dynamic body will effect with gravity.
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*/
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void setDynamic(bool dynamic);
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/*
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* @brief set the body mass.
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* @note if you need add/subtract mass to body, don't use setMass(getMass() +/- mass), because the mass of body may be equal to PHYSICS_INFINITY, it will cause some unexpected result, please use addMass() instead.
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*/
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void setMass(float mass);
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/*
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* @brief get the body mass.
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*/
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inline float getMass() const { return _mass; }
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/*
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* @brief add mass to body.
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* if _mass(mass of the body) == PHYSICS_INFINITY, it remains.
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* if mass == PHYSICS_INFINITY, _mass will be PHYSICS_INFINITY.
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* if mass == -PHYSICS_INFINITY, _mass will not change.
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* if mass + _mass <= 0, _mass will equal to MASS_DEFAULT(1.0)
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* other wise, mass = mass + _mass;
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*/
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void addMass(float mass);
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/*
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* @brief set the body moment of inertia.
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* @note if you need add/subtract moment to body, don't use setMoment(getMoment() +/- moment), because the moment of body may be equal to PHYSICS_INFINITY, it will cause some unexpected result, please use addMoment() instead.
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*/
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void setMoment(float moment);
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/*
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* @brief get the body moment of inertia.
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*/
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inline float getMoment(float moment) const { return _moment; }
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/*
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* @brief add moment of inertia to body.
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* if _moment(moment of the body) == PHYSICS_INFINITY, it remains.
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* if moment == PHYSICS_INFINITY, _moment will be PHYSICS_INFINITY.
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* if moment == -PHYSICS_INFINITY, _moment will not change.
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* if moment + _moment <= 0, _moment will equal to MASS_DEFAULT(1.0)
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* other wise, moment = moment + _moment;
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*/
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void addMoment(float moment);
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/*
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* @brief set angular damping.
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*/
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//void setAngularDamping(float angularDamping);
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/*
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* @brief get angular damping.
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*/
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inline float getLinearDamping() const { return _linearDamping; }
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inline void setLinearDamping(float damping) { _linearDamping = damping; }
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inline float getAngularDamping() const { return _angularDamping; }
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inline void setAngularDamping(float damping) { _angularDamping = damping; }
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//virtual Clonable* clone() const override;
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bool isResting() const;
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inline bool isEnable() const { return _enable; }
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void setEnable(bool enable);
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inline bool isRotationEnable() const { return _rotationEnable; }
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void setRotationEnable(bool enable);
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inline bool isGravityEnable() const { return _gravityEnable; }
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void setGravityEnable(bool enable);
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inline int getTag() const { return _tag; }
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inline void setTag(int tag) { _tag = tag; }
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Point world2Local(const Point& point);
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Point local2World(const Point& point);
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protected:
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bool init();
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virtual void setPosition(Point position);
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virtual void setRotation(float rotation);
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virtual void update(float delta) override;
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protected:
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PhysicsBody();
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virtual ~PhysicsBody();
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protected:
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Node* _node;
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std::vector<PhysicsJoint*> _joints;
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Array* _shapes;
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PhysicsWorld* _world;
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PhysicsBodyInfo* _info;
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bool _dynamic;
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bool _enable;
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bool _rotationEnable;
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bool _gravityEnable;
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bool _massDefault;
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bool _momentDefault;
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float _mass;
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float _area;
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float _density;
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float _moment;
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float _linearDamping;
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float _angularDamping;
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int _tag;
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int _categoryBitmask;
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int _collisionBitmask;
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int _contactTestBitmask;
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int _group;
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friend class PhysicsWorld;
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friend class PhysicsShape;
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friend class PhysicsJoint;
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friend class Node;
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};
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NS_CC_END
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#endif // __CCPHYSICS_BODY_H__
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#endif // CC_USE_PHYSICS
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