杀伤距离有限制

#include <iostream>#include "game.h"using namespace std;int main( ){    Weapon w1("Gold stick",200, 100), w2("Fire point gun",180,300);    Role wuKong("WuKong", 500, Point(0, 0), w1);    Role neZha("NeZha", 210, Point(30,30), w2);    cout<<"---begin---"<<endl;    wuKong.show();    neZha.show();    cout<<"---1st round---"<<endl;    wuKong.attack(neZha);    wuKong.show();    neZha.show();    cout<<"---2nd round---"<<endl;    neZha.attack(wuKong);    wuKong.show();    neZha.show();    cout<<"---3rd round---"<<endl;    neZha.moveTo(100,100); //哪吒走开，悟空打不到哪吒    wuKong.attack(neZha);    wuKong.show();    neZha.show();    cout<<"---4th round---"<<endl; //这个距离在火尖枪的射程内    neZha.attack(wuKong);    wuKong.show();    neZha.show();    cout<<"---then---"<<endl;  //哪吒一直打，悟空惨了    neZha.attack(wuKong);    neZha.attack(wuKong);    wuKong.attack(neZha);    wuKong.show();    neZha.show();    cout<<"---end---"<<endl;    return 0;}

#include "game.h"#include <cmath>Point::Point(int x, int y): x(x), y(y) { }int Point::getX(){    return x;}int Point::getY(){    return y;}//移到另外一点void Point::moveTo(int x, int y){    this->x=x;    this->y=y;}//从当前位置移动void Point::move(int dx, int dy){    this->x+=dx;    this->y+=dy;}double Point::distance(const Point& p){    double dx = this->x - p.x;    double dy = this->y - p.y;    return (sqrt(dx * dx + dy * dy));}

#include "game.h"Weapon::Weapon(string wnam, int f, double k):wname(wnam),force(f),killRange(k) {}Weapon::Weapon(const Weapon &w):wname(w.wname),force(w.force),killRange(w.killRange) {}string Weapon::getWname(){    return wname;}//返回杀伤力int Weapon::getForce(){    return force;}//返回杀伤距离double Weapon::getKillRange(){    return killRange;}

#include <iostream>#include "game.h"using namespace std;Role::Role(string nam, int b, Point l, Weapon w):name(nam),blood(b),location(l),weapon(w){    if(blood>0)        life=true;    else        life=false;}Role::~Role(){    cout<<name<<"退出江湖..."<<endl;}//吃东西，涨d血(死了后吃上东西可以复活)void Role::eat(int d) //吃东西，涨d血(死了也能吃，别人喂的，以使能复活){    blood+=d;    if(blood>0)        life=true;}//攻击别人，自己涨血，同时对方被攻击失血，血量取决于当前用的武器//在武器的攻击范围内才可以攻击void Role::attack(Role &r) //攻击别人，涨1血{    if(isAlived()&&weapon.getKillRange()>this->distance(r)) //活着且在杀伤范围内    {        blood+=weapon.getForce();        r.beAttack(weapon.getForce());    }}//被别人攻击，参数f是承受的攻击力void Role::beAttack(int f){    blood-=f;    if(blood<=0)        life=false;}//返回与另一角色的距离double Role::distance(Role &r){    return location.distance(r.location);}//是否活着bool Role::isAlived(){    return life;}//移到另外一点void Role::moveTo(int x, int y){    if(isAlived())        location.moveTo(x,y);}//从当前位置移动void Role::move(int dx, int dy){    if(isAlived())        location.move(dx,dy);}//显示void Role::show(){    cout<<name<<" has "<<blood<<" blood, hold "<<weapon.getWname();    cout<<". He is in ("<<location.getX()<<", "<<location.getY()<<") and ";    if(isAlived())        cout<<"alived.";    else        cout<<"dead.";    cout<<endl;}

#ifndef GAME_H_INCLUDED#define GAME_H_INCLUDED#include <string>using namespace std;class Point     //Point类声明{public: //外部接口    Point(int x=0, int y=0);    int getX();    int getY();    double distance(const Point &p);  //返回与另外一点p之间的距离    void moveTo(int x, int y); //移到另外一点    void move(int dx, int dy); //从当前位置移动private:    int x, y;  //座标};class Weapon{public:    Weapon(string wnam, int f, double k);    Weapon(const Weapon&);    string getWname();    int getForce();         //返回杀伤力    double getKillRange();  //返回杀伤距离private:    string wname;   //名称    int force;       //杀伤力    double killRange;   //杀伤距离};class Role{public:    Role(string nam, int b, Point l, Weapon w); //构造函数    ~Role(); //析构函数    void eat(int d); //吃东西，涨d血(死了后吃上东西可以复活)    void attack(Role &r); //攻击别人，自己涨血，同时对方被攻击失血。血量取决于当前用的武器    void beAttack(int f); //被别人攻击，参数f是承受的攻击力    double distance(Role &r); //返回与另一角色的距离    bool isAlived(); //是否活着    void moveTo(int x, int y); //移到另外一点    void move(int dx, int dy); //从当前位置移动    void show(); //显示private:    string name;  //角色名称    int blood;    //当前血量    bool life;    //是否活着    Point location;  //位置    Weapon weapon;  //武器};#endif // GAME_H_INCLUDED