Lecture 14 - circle.h

#ifndef CIRCLE_H_INCLUDED
#define CIRCLE_H_INCLUDED

#include "../Headers/Lib110ct.h"

class Circle
{
protected:
    double mx, my, mdx, mdy, mradius;
public:
    Circle(){}
    Circle(double x,double y,double dx,double dy,double rad):mx(x),my(y),mdx(dx),mdy(dy),mradius(rad){}
    void setPos(double x, double y){mx=x;my=y;}
    void setDir(double dx, double dy){mdx=dx; mdy=dy;}
    void setRadius(double rad){mradius=rad;}
    double getX(){return mx;}
    double getY(){return my;}

    void draw(Turtle * t);
    void clear(Win110ct& win);
    void move();
    bool collides(Circle & c);
};


//    derived          base
class Orbiter : public Circle
{
    Circle * orbits;
    double mangle, angVel, distance;
public:
    Orbiter():orbits(0),mangle(0),angVel(0),distance(0),Circle(){}
    void setVelocity(double ang){angVel = ang;}
    void setOrbits(Circle * c){orbits = c;}
    void setDistance(double dist){distance = dist;}
    void move();
};



class Chaser : public Circle
{
    Circle * target;
    double mvelocity;
public:
    Chaser():target(0),mvelocity(0),Circle(){}
    void setVelocity(double velocity){mvelocity=velocity;}
    void setTarget(Circle * tgt){target = tgt;}
    void move();
};



#endif // CIRCLE_H_INCLUDED