From 4a5570448e7e2a5b80636a8c2b71212049fa2ba1 Mon Sep 17 00:00:00 2001
From: aleksav013 <aleksav013@gmail.com>
Date: Fri, 21 May 2021 22:33:07 +0200
Subject: Making enemies move; Basic functionality

---
 main.cpp | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 84 insertions(+), 8 deletions(-)

diff --git a/main.cpp b/main.cpp
index 8f7227f..9b50140 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,10 +1,8 @@
-#include <SFML/Graphics/Color.hpp>
-#include <SFML/System/Vector2.hpp>
 #include<iostream>
 #include<SFML/Graphics.hpp>
 #include<random>
 std::mt19937 rng(time(0));
-const int n=30;
+const int n=20;
 class Entity
 {
     public:
@@ -24,25 +22,59 @@ Entity::Entity(sf::Vector2f pozicija, sf::Vector2f velicina,sf::Color boja)
 class Enemy:public Entity
 {
     public:
+	bool ziv=1;
 	Enemy():Entity() {}
 	Enemy(sf::Vector2f pozicija,sf::Vector2f velicina,sf::Color boja):Entity(pozicija,velicina,boja) {}
+	void kaigracu(float igracx,float igracy);
 };
+void Enemy::kaigracu(float igracx,float igracy)
+{
+	float k=(igracy-y)/(igracx-x);
+	float r=1.0;
+	float dx=r/std::sqrt(1+k*k);
+	if(igracx-x<0) dx=-dx;	
+	float dy=k*dx;
+	
+	x+=dx;
+	y+=dy;
+
+}
 class Player:public Entity
 {
-    int health;
     public:
+	int health,xp;
+	int stomprad=300;
+	float stomptime;
+	
 	Player():Entity() {}
 	Player(sf::Vector2f pozicija,sf::Vector2f velicina,sf::Color boja):Entity(pozicija,velicina,boja) 
 	{
 	    health=100;
+	    xp=0;
+	    stomptime=0;
 	}
+	void stomp(Enemy neprijatelj[]);
 };
+void Player::stomp(Enemy neprijatelj[])
+{
+    stomptime=3;
+    for(int i=0;i<n;i++) if(neprijatelj[i].ziv)
+    {
+	if((x-neprijatelj[i].x)*(x-neprijatelj[i].x)+(y-neprijatelj[i].y)*(y-neprijatelj[i].y)<stomprad*stomprad)
+	{
+	    xp+=5;
+	    neprijatelj[i].ziv=0;
+	}
+    }
+}
 class Game
 {
+    float time;
     Player igrac;
     Enemy neprijatelj[n];
     sf::RenderWindow prozor;
     int visina,sirina;
+    sf::CircleShape krug;
     public:
 	Game();
 	void loop();
@@ -50,19 +82,30 @@ class Game
 	void keyboard();
 	void run();
 	void draw();
+	void stompmain();
 };
 Game::Game()
 {
+    time=5;
     prozor.create(sf::VideoMode(512,512),"RPG igra");
     visina=prozor.getSize().y;
     sirina=prozor.getSize().x;
     prozor.setFramerateLimit(60);
-    
     igrac = Player(sf::Vector2f((float)sirina/2,(float)visina/2),sf::Vector2f(100.0f,100.0f),sf::Color::White);
     for(int i=0;i<n;i++) neprijatelj[i] = Enemy(sf::Vector2f(rng()%sirina,rng()%visina),sf::Vector2f(50.0f,50.0f),sf::Color::Red);
-
     igrac.x=(float)prozor.getSize().x/2;
     igrac.y=(float)prozor.getSize().y/2;
+
+    krug.setRadius(igrac.stomprad);
+    krug.setFillColor(sf::Color::Black);
+    krug.setOutlineThickness(10);
+    krug.setOutlineColor(sf::Color::White);
+    krug.setOrigin(krug.getRadius(),krug.getRadius());
+}
+void Game::stompmain()
+{
+    igrac.stomp(neprijatelj);
+    krug.setPosition(igrac.x,igrac.y);
 }
 void Game::keyboard()
 {
@@ -71,6 +114,7 @@ void Game::keyboard()
     if(sf::Keyboard::isKeyPressed(sf::Keyboard::A)&&igrac.x>0) igrac.x-=dist;
     if(sf::Keyboard::isKeyPressed(sf::Keyboard::S)&&igrac.y<visina) igrac.y+=dist;
     if(sf::Keyboard::isKeyPressed(sf::Keyboard::D)&&igrac.x<sirina) igrac.x+=dist;
+    if(sf::Keyboard::isKeyPressed(sf::Keyboard::Space)) if(igrac.stomptime<=0) stompmain();
 }
 void Game::events()
 {
@@ -94,14 +138,46 @@ void Game::events()
 void Game::draw()
 {
     prozor.clear();
+    if(igrac.stomptime>2.8) prozor.draw(krug);
     prozor.draw(igrac.telo);
-    for(int i=0;i<n;i++) prozor.draw(neprijatelj[i].telo);
+    for(int i=0;i<n;i++) if(neprijatelj[i].ziv) prozor.draw(neprijatelj[i].telo);
     prozor.display();
 }
 void Game::run()
 {
+    if(igrac.health<=0)
+    {
+	prozor.close();
+	std::cout<<"\n\nGame over. Wanna try again?\n";
+	return;
+    }
+
+    time-=0.01;
+    if(time<0)
+    {
+	time=5;
+	for(int i=0;i<n;i++) if(!neprijatelj[i].ziv)
+	{
+	    neprijatelj[i].ziv=1;
+	    neprijatelj[i].x=rng()%sirina;
+	    neprijatelj[i].y=rng()%visina;
+	}
+    }
+    if(igrac.stomptime>0) igrac.stomptime-=0.01;
     igrac.telo.setPosition(igrac.x,igrac.y);
-    for(int i=0;i<n;i++) neprijatelj[i].telo.setPosition(neprijatelj[i].x,neprijatelj[i].y);
+    for(int i=0;i<n;i++) if(neprijatelj[i].ziv)
+    {
+	neprijatelj[i].kaigracu(igrac.x,igrac.y);
+	neprijatelj[i].telo.setPosition(neprijatelj[i].x,neprijatelj[i].y);
+	if(neprijatelj[i].telo.getGlobalBounds().intersects(igrac.telo.getGlobalBounds()))
+	{
+	    neprijatelj[i].ziv=0;
+	    igrac.health--;
+	}
+    }
+    std::cout<<"Health: "<<igrac.health<<", skor: "<<igrac.xp<<std::endl;
+    std::cout<<"Do sledeceg stompa: "<<igrac.stomptime<<std::endl;
+
 }
 void Game::loop()
 {
-- 
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