Object2D.h

/*

Copyright (c) 2018, Johnathan Corkery. (jcorkery@umich.edu)
All rights reserved.

This file is part of the Dynacoe project (https://github.com/jcorks/Dynacoe)
Dynacoe was released under the MIT License, as detailed below.



Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal 
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is furnished 
to do so, subject to the following conditions:

The above copyright notice and this permission notice shall
be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
DEALINGS IN THE SOFTWARE.



*/

#ifndef H_OBJECT2D_INCLUDED
#define H_OBJECT2D_INCLUDED

#include <Dynacoe/Component.h>
#include <Dynacoe/Color.h>
#include <Dynacoe/Util/BoundingBox.h>




namespace Dynacoe {



class Object2D : public Component {
    public:
        
 
 
        class Collider {
          public:
            class Line {
              public:
                Line(){};
                Line(const Dynacoe::Vector & a, const Dynacoe::Vector & b);
                bool Intersects(const Line & other) const;
                Dynacoe::Vector a;
                Dynacoe::Vector b;
            };
            Collider(){};
            Collider(const std::vector<Dynacoe::Vector> &);
            Collider(float radius, uint32_t numPts=8);
            Collider(const std::vector<Collider> &);
            
            bool WillContainPoint(const Dynacoe::Vector & other) const;
            
            void UpdateTransition(const Dynacoe::Vector & after);
            
            bool CollidesWith(const Collider & otherd) const;



            Entity::ID lastCollided;
            
            const BoundingBox & GetMomentBounds() {return smearBounds;}
          private:
            void SetFromPoints(const std::vector<Dynacoe::Vector> &);
  
            std::vector<Line> boundingBox;
            std::vector<Line> staticPoints;
            std::vector<Line> smear;

            BoundingBox smearBounds;
            Vector oldPosition;
            bool stationary;
            bool isSet;

        };


        Object2D();
        ~Object2D();
    
        void OnAttach();


        void AddVelocity(double factor, double direction);
        void AddVelocityTowards(double factor, const Dynacoe::Vector &);


        void SetVelocity(double factor, double direction);
        void SetVelocityTowards(double factor, const Dynacoe::Vector &);

        void SetFrictionX(double amt);

        void SetFrictionY(double amt);

        double GetDirection();

        void Halt();

        double GetVelocityX();

        double GetVelocityY();


        double GetSpeed();


        void SetSpeed(double);

        Dynacoe::Vector GetNextPosition();



        Collider collider;


        static void DrawColliders(const Color & c);

        std::string GetInfo();

        void Update();   
    private:
        friend class CollisionManager;
        double speedX;
        double speedY;
        double frictionX;
        double frictionY;
        Dynacoe::Vector last;

};

}

#endif