#include using namespace std; #define PI 3.14 class Shape{ private: float x; float y; static int count; public: Shape(float x, float y){ this->x = x; this->y = y; count++; } Shape(Shape& other){ this->x = other.x; this->y = other.y; count++; } ~Shape(){count--;} void setXY(float x, float y){ this->x = x; this->y = y; } int getX(){return this->x;} int getY(){return this->y;} virtual void print(){ cout << "Coordinates:" << endl; cout << "X: " << this->x << endl; cout << "Y: " << this->y << endl; } virtual float getArea() = 0; virtual bool isInArea(float, float) = 0; static int getCount(){ return count; } }; int Shape::count = 0; // intialize static object counter class Circle : public Shape { private: float radius; public: Circle(float radius, float x, float y) :Shape(x, y){this->radius = radius;} Circle(Circle& other) : Shape(other){this->radius = other.radius;} ~Circle(){} void setRadius(float radius){this->radius = radius;} float getRadius(){return this->radius;} void print(){ cout << "Circle" << endl; cout << "Radius: " << this->radius << endl; Shape::print(); } float getArea(){return PI * (this->radius * this->radius);} bool isInArea(float x, float y){ float centerX = this->getX(); float centerY = this->getY(); return (x - centerX)*(x - centerX) + (y - centerY)*(y - centerY) <= this->radius * this->radius; // (x - centerX)^2 + (y - centerY)^2 <= radius^2 //return (x - this->getX())*(x - this->getX()) + (y - this->getY())*(y - this->getY()) <= this->radius*this->radius; } }; class Square : public Shape { private: float length; public: Square(float length, float x, float y) :Shape(x, y) { this->length = length;} Square(Square& other) : Shape(other) { this->length = other.length;} ~Square(){} void setLen(float length) { this->length = length;} float getLen() { return this->length;} void print(){ cout << "Square" << endl; cout << "Length of Edge: " << this->length << endl; Shape::print(); } float getArea() { return this->length * this->length;} virtual bool isInArea(float x, float y){ //return (x >= this->getX() && x <= this->getX() + this->length) && (y >= this->getY() && y <= this->getY() + this->length); if (x < this->getX() || x > this->getX() + this->length) return false; if (y < this->getY() || y > this->getY() + this->length) return false; return true; } }; class Board { private: Shape** board; int amount; float length; float height; public: Board(float length, float height) { this->length = length; this->height = height; this->amount = 0; this->board = NULL; } ~Board(){} Board& operator += (Shape& other) { // case 1: first element if (this->amount == 0) { this->amount++; this->board = new Shape*[1]; // RTTI: Real Time Type Identification //Square* sq = dynamic_cast(&other); //Circle* cir = dynamic_cast(&other); this->board[0] = &other; return *this; } Shape** temp; temp = new Shape*[this->amount]; for (int i = 0; i < this->amount; i++) temp[i] = this->board[i]; delete[] this->board; this->amount++; this->board = new Shape*[this->amount]; for (int i = 0; i < this->amount - 1; i++) this->board[i] = temp[i]; this->board[this->amount - 1] = &other; return *this; } friend ostream& operator << (ostream& out, Board& in){ bool inArea = false; bool origin = false; for (int y = 0; y < in.height; y++){ for (int x = 0; x < in.length; x++){ for (int i = 0; i < in.amount; i++){ if(x==in.board[i]->getX()&&y==in.board[i]->getY()){ origin = true; break; } else if (in.board[i]->isInArea(x, y)){ inArea = true; break; } } if(origin) out << "@"; else if (inArea) out << " "; else out << "*"; inArea = false; origin = false; } out << endl; } for (int i = 0; i < in.amount; i++) in.board[i]->print(); return out; } }; int main() { //Square(length, x, y) (x,y) is top left corner Square sq1(4, 2, 2); //Circle(radius, x, y) (x,y) is middle of circle Circle sq2(7, 20, 10); //Board(width, height) Board myBoard(35, 20); myBoard += sq1; myBoard += sq2; cout << myBoard; return 0; }

Shapes Board