Question

this assignment should be in C++

In this assignment, you will implement two classes.

1. Point: A Point in a two dimensional plane has an integer x coordinate value and an integer y coordinate value.

2. Rectangle: A Rectangle is a class that has three attributes: 1) Point type data that represent the top-left point of the rectangle, 2) integer length and 3) integer width.

Write the appropriate class definition for Point class and Rectangle class with necessary constructors, mutator and accessor functions.

Write a function that will take two objects of Rectangle class as parameter and return whether they intersect or not.

Write a main function that will take inputs from user for two rectangles. Each rectangle requires 4 set of inputs: 1) x of top-left point, 2) y of top-left point, 3) length and 4) width. The main function will return the 4 set of coordinate values of the rectangles and whether they intersect or not. Print the 4 set of co- ordinate values of a rectangle in the following order:

1. Top-left point

2. Bottom-left point

3. Bottom-right point

4. Top-right point

Sample Input:

x of rectangle 1: 2
y of rectangle 1: 4 length of rectangle 1: 2

width of rectangle 1: 3

x of rectangle 2: 4
y of rectangle 2: 3

length of rectangle 2: 2 width of rectangle 2: 3

Sample Output:

Co-ordinates of rectangle 1: (2,4), (2,2), (5,2), (5,4)

Co-ordinates of rectangle 2: (4,3), (4,1), (7,1), (7,3)

They intersect.

Answer 1

#include <iostream>

#include <cmath>

#include <iomanip>

using namespace std;

class PointT {

public:

double x, y;

};

class RectT {

public:

PointT location;

double l, w;

};

int chk_intersect(RectT a, RectT b) {

// left upper and lower right coordinates of rect a

PointT l1, r1;

// left upper and lower right coordinates of rect b

PointT l2, r2;

l1.x = a.location.x;

l1.y = a.location.y;

r1.x = a.location.x + a.w;

r1.y = a.location.y - a.l;

l2.x = b.location.x;

l2.y = b.location.y;

r2.x = b.location.x + b.w;

r2.y = b.location.y - b.l;

// If one rectangle is on left side of other

if (l1.x > r2.x || l2.x > r1.x)

return 0;

// If one rectangle is above other

if (l1.y < r2.y || l2.y < r1.y)

return 0;

return 1;

}

void inputRect(RectT *a) {

cout << "Enter x coordinate of top left corner: ";

cin >> a->location.x;

cout << "Enter y coordinate of top left corner: ";

cin >> a->location.y;

cout << "Enter length of rectangle: ";

cin >> a->l;

cout << "Enter width of rectangle: ";

cin >> a->w;

}

void printRect(RectT *a) {

cout << "(" << a->location.x << ", " << a->location.y << ") ";

cout << "(" << a->location.x << ", " << (a->location.y - a->l) << ") ";

cout << "(" << (a->location.x + a->w) << ", " << (a->location.y - a->l) << ") ";

cout << "(" << (a->location.x + a->w) << ", " << a->location.y << ") ";

cout << endl;

}

int main(void) {

RectT a, b;

cout << "Rectangle 1:\n";

inputRect(&a);

cout << "\nRectangle 2:\n";

inputRect(&b);

cout << "\n";

int intersects = chk_intersect(a, b);

cout << "Co-ordinates of rectangle 1: ";

printRect(&a);

cout << "Co-ordinates of rectangle 2: ";

printRect(&b);

if(intersects) {

cout << "Rectangles intersect!\n";

} else {

cout << "Rectangles do not intersect!\n";

}

}

**************************************************

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#include <iomanip> using namespace std; typedef struct Point { double x, y; } PointT; clang version 7.0.0-3-ubuntuo.18.04.1 (t ags/RELEASE_700/final) ? clang++-7 -pthread -o main main.cpp 3./main Rectangle 1: Enter x coordinate of top left corner: 2 Enter y coordinate of top left corner: 4 Enter length of rectangle: 2 Enter width of rectangle: 3 10 typedef struct Rect { Point location; double 1, w; } RectT; Rectangle 2: Enter x coordinate of top left corner: 4 Enter y coordinate of top left corner: 3 Enter length of rectangle: 2 Enter width of rectangle: 3 Co-ordinates of rectangle 1: (2, 4) (2, 2) (5, 4) (5, 2) Co-ordinates of rectangle 2: (4, 3) (4, 1) (7, 3) (7, 1) Rectangles overlap! int chk_intersect(RectT a, RectT b) { // left upper and lower right coordinates of rect a PointT 11, r1; // left upper and lower right coordinates of rect b Point 12, r2; 11.x = a.location.x; 11.y = a.location.y; r1.x = a.location. x + a.W; r1.y = a.location.y - a.l; 12.x = b.location.x; 12.y = b. location.y; r2.x = b.location.x + b.w; r2.y = b. location.y - b.l;