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// lab3: listofnumbers
// <insert your name here>
// read main.cpp, and follow the instructions at the bottom of main.cpp
#include <iostream>
using namespace std;
int main()
{
int numberOfElements = 0;
float * elements = NULL;
float userInput;
bool addingNumbersToTheList;
cout << "Keep entering numbers. Enter a non-number to stop." << endl;
do
{
cin >> userInput;
addingNumbersToTheList = !std::cin.fail();
if(addingNumbersToTheList) {
// make a bigger array to replace the old one
float * biggerArray = new float[numberOfElements+1];
if(elements != NULL)
{
// copy the old elements into the biggerArray
for(int i = 0; i < numberOfElements; i++)
{
biggerArray[i] = elements[i];
}
// the old array is not needed anymore, we have a better copy
delete elements;
}
// point at the new array
elements = biggerArray;
numberOfElements = numberOfElements+1;
// put the new number into the last element of the array
elements[numberOfElements-1] = userInput; }
}
while(addingNumbersToTheList); // fix cin after intentionally breaking it above.
if(std::cin.fail())
{
std::cin.clear();
while(std::cin.get() != ‘\n’);
}
bool hasNumbers = numberOfElements > 0;
if(hasNumbers) {
// print the stored numbers
cout << "Entered numbers: " << endl;
cout << "{";
for(int i = 0; i < numberOfElements; ++i)
{
if(i > 0)
{
cout << ", ";
}
cout << elements[i]; }
cout << "}" << endl; }
else
{ } float sum = 0;
for(int i = 0; i < numberOfElements; ++i)
{

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/ lab2: rectangles
// <insert your name here>
// read main.cpp, and follow the instructions at the bottom of main.cpp
#define NOMINMAX // prevent Windows API from conflicting with "min" and "max"
#include <stdio.h> // C-style output. printf(char*,…), putchar(int)
#include <windows.h> // SetConsoleCursorPosition(HANDLE,COORD)
#include <conio.h> // _getch()
/**
* moves the console cursor to the given x/y coordinate
* 0, 0 is the upper-left hand coordinate. Standard consoles are 80×24.
* @param x
* @param y
*/
void moveCursor(int x, int y)
{
COORD c = {x,y};
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), c);
}
struct Vec2
{
short x, y;
Vec2() : x(0), y(0) { }
Vec2(int x, int y) : x(x), y(y) { }
void add(Vec2 v)
{
x += v.x;
y += v.y;
}
};
class Rect
{
Vec2 min, max;
public:
Rect(int minx, int miny, int maxx, int maxy)
:min(minx,miny),max(maxx,maxy)
{}
Rect(){}
void draw(const char letter) const
{
for(int row = min.y; row < max.y; row++)
{
for(int col = min.x; col < max.x; col++)
{
if(row >= 0 && col >= 0)
{
moveCursor(col, row);
putchar(letter);
}
}
}
}
bool isOverlapping(Rect const & r) const
{ return !( min.x >= r.max.x || max.x <= r.min.x
|| min.y >= r.max.y || max.y <= r.min.y); }; }
void translate(Vec2 const & delta)
{
min.add(delta);
max.add(delta);
} int main()
{
// initialization
Rect userRect(7, 5, 10, 9);
Rect rect0(10, 2, 14, 4);
Rect rect1(1, 6, 5, 15);
int userInput;
do

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//

//
// INSTRUCTIONS
———–Compile this code. You should see a happy-face character on a field of
periods. You can move the character with the ‘w’, ‘a’, ‘s’, and ‘d’ keys.
Read through this code! Try to understand it before starting the assignment.
Comment confusing lines with what you think code is doing, and experiment
with existing code to test your understanding.
Once you feel comfortable with this code, accomplish each of the following,
and make sure your code compiles and runs after each step is completed.
1) Object Oriented Refactoring
a) Write a class called Entity to store two public integers named x and y,
and a char named icon (the player data).
b) Remove x, y, and icon (the player data) from main(), create an instance
of the Entity class (named whatever you like) in main(), and use its
members as replacements for the x, y, and icon variables that were
removed.
c) Write a parameterized constructor for the Entity class that sets x, y,
and icon, and use it when creating the instance.
d) Make x, y, and icon private variables of Entity, and create Accessor
and Mutator (or Getter and Setter) functions to use them in main().
(hint: "player.x++" could be "player.setX(player.getX()+1);" )
e) Write a struct called Vector2, which has two int variables, x and y.
f) Write a default constructor for Vector2, which sets x and y to 0.
g) Write a parameterized constructor for Vector2, which sets x and y.
h) Remove x, and y from Entity, add an instance of the Vector2 structure
named "pos" to the Entity class, and use pos’s members as replacements
for the x, and y variables that were removed.
i) Remove height and width (in the game data) from main(), create an
instance of the Vector2 structure named "size", and use size’s x member
as a replacement for width, and size’s y member as a replacement for
height.
j) Write a method in Vector2 with the signature
"bool is(int a_x, int a_y)". "is" should return true if a_x is equal to
that instance’s x, and a_y is equal that instance’s y.
k) Instantiate a new object of class Vector2 called "winPosition", and set
it’s x, y value to size.x/2, size.y/2.
2) Add Game Logic
a) Add code to the while-loop so that when the player reaches
"winPosition", which should be determined by using the "is" method, the
"state" variable should be set to WIN, ending the game.
b) Add code to the while-loop so that the state variable is set to to LOST
if the player leaves the play field (ending the game).
3) Using enums
a) Create an enum called "GameState" with the possible values "RUNNING",
"WIN", "LOST", and "USER_QUIT".
b) Replace the state variable with an isntance of the GameState enum. // lab1: simplegame_OOP
// <insert your name here>
// read main.cpp, and follow the instructions at the bottom of main.cpp
#include <iostream> // std::cout using namespace std;
#include <windows.h>
#include <conio.h> // SetConsoleCursorPosition(HANDLE,COORD)
// _getch() struct Vector2 {
int x;
int y;
Vector2() :
x(0), y(0) {
}
Vector2(int x, int y) {
x = x;
y = y;
}
bool is(int a_x, int a_y) {

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