added fruit and edge collision

include/Fruit.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <SFML/Graphics.hpp>
+#include <Color.h>
+#include <Player.h>
+
+struct Fruit
+{
+    Fruit() = default;
+    Fruit(sf::Vector2i gridPos_in, const sf::Color& color_in = sf::Color::White);
+	sf::Vector2u gridPos{};
+	Color color{};
+
+	sf::Vector2f windowPos(float gridSize_in);
+    void respawn(const std::vector<SnakeNode>& body_in, sf::Vector2u gridCount_in);
+};

include/Game.h

@@ -2,6 +2,7 @@
 
 #include <Util.h>
 #include <Player.h>
+#include <Fruit.h>
 #include <GameConfig.h>
 #include <SFML/Graphics.hpp>
 #include <SFML/Audio.hpp>
@@ -39,6 +40,8 @@ private:
 
 	void failState();
 
+	void winState();
+
 
 private:
 	GameConfig config;
@@ -54,9 +57,13 @@ private:
 	//sf::Sound failSound;
 	
 	Player player{};
+	Fruit fruit{};
+
+	sf::Vector2u gridCount;
 
 	size_t frameCount{};
 	bool useImgui;
-	bool fail;
+	bool fail{};
+	bool win{};
 	bool running{true};
 };

include/GameConfig.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include <Util.h>
 #include <SFML/Graphics.hpp>
 
@@ -8,6 +10,6 @@ struct GameConfig
 	int framerate{};
     Color playerHeadColor;
     Color playerBodyColor;
-    sf::Vector2i headGridStartPos;
+    sf::Vector2u headGridStartPos;
     float gridSize;
 };

include/Player.h

@@ -1,4 +1,4 @@
-
+#pragma once
 #include <SFML/Graphics.hpp>
 
 #include <Util.h>
@@ -13,14 +13,16 @@ enum class Direction
 
 struct SnakeNode
 {
-	SnakeNode(sf::Vector2i gridPos_in, sf::Color color_in = sf::Color::White);
+	SnakeNode(sf::Vector2u gridPos_in, const sf::Color& color_in = sf::Color::White);
-	sf::Vector2f windowPos{};
+	// sf::Vector2f windowPos{};
-	sf::Vector2i gridPos{};
+	sf::Vector2u gridPos{};
-	sf::Vector2i previousGridPos{};
+	sf::Vector2u previousGridPos{};
 	Color color{};
+
+	sf::Vector2f windowPos(float gridSize_in);
 };
 
-struct Player 
+struct Player
 {
 	Player() = default;
 

include/log.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <iostream>
+
+#ifdef LOG_ENABLE
+#define LOG_CONDITON(x) if (x)
+#define LOG(x) std::cout << x << "\n"
+#else
+#define LOG(x)
+#define LOG_CONDITON(x)
+#endif

src/Fruit.cpp

@@ -0,0 +1,35 @@
+#include <Player.h>
+#include <Fruit.h>
+#include <Random.h>
+
+Fruit::Fruit(sf::Vector2i gridPos_in, const sf::Color& color_in)
+	: gridPos(gridPos_in)
+	, color(color_in)
+{ }
+
+sf::Vector2f Fruit::windowPos(float gridSize_in)
+{
+	return {gridPos.x * gridSize_in, gridPos.y * gridSize_in};
+}
+
+void Fruit::respawn(const std::vector<SnakeNode>& body_in, sf::Vector2u gridCount_in)
+{
+    unsigned int tempX;
+    unsigned int tempY;
+    bool valid = false;
+    do
+    {
+        tempX = Random::get(0, gridCount_in.x - 1);
+        tempY = Random::get(0, gridCount_in.y - 1);
+        for (const auto& node : body_in)
+        {
+            if (node.gridPos.x != tempX and node.gridPos.y != tempY)
+            {
+                valid = true;
+            }
+        }
+    } while (!valid);
+        
+    this->gridPos = {tempX, tempY};
+
+}

src/Game.cpp

@@ -31,13 +31,26 @@ Game::Game(bool useImgui_in)
 		return;
 	}
 
+	gridCount.x = window.getSize().x / config.gridSize;
+	gridCount.y = window.getSize().y / config.gridSize;
+
 	player.body.reserve(100);
 	player.body.emplace_back(config.headGridStartPos);
-	player.head().windowPos.x = player.head().gridPos.x * config.gridSize;
-	player.head().windowPos.y = player.head().gridPos.y * config.gridSize;
 
+	fruit.gridPos = {5,5};
+	fruit.color = sf::Color::Red;
+	
+	//uncomment to quickly test player movement
+	/* 
+	player.body.emplace_back(sf::Vector2i{config.headGridStartPos.x - 1, config.headGridStartPos.y});
+	player.body.emplace_back(sf::Vector2i{config.headGridStartPos.x - 2, config.headGridStartPos.y});
+	player.body.emplace_back(sf::Vector2i{config.headGridStartPos.x - 3, config.headGridStartPos.y});
+	player.body.emplace_back(sf::Vector2i{config.headGridStartPos.x - 4, config.headGridStartPos.y});
+ 	 */
+	
 	tempRect.setSize({config.gridSize, config.gridSize});
-	tempRect.setOutlineThickness(5);
+	tempRect.setOutlineThickness(-5);
+	tempRect.setOutlineColor(sf::Color::Black);
 
 	score.setPosition({10, static_cast<float>(window.getSize().y - 40)});
 
@@ -179,10 +192,23 @@ void Game::collision()
 		if (player.head().gridPos == player.body.at(i).gridPos)
 		{
 			fail = true;
-			//failSound.play();
 			return;
 		}
+	}
 
+	if (player.head().gridPos == fruit.gridPos)
+	{
+		player.body.emplace_back(player.body.back().previousGridPos);
+		if (player.body.size() != (gridCount.x * gridCount.y))
+		{
+			//play sound
+			fruit.respawn(player.body, gridCount);
+		} 
+		else 
+		{
+			//play win sound
+
+		}
 	}
 
 }
@@ -211,39 +237,68 @@ void Game::movement()
 
 	if (frameCount % config.tickRate != 0) return;
 
+	SnakeNode& head = player.head();
 	switch (player.inputBuffer)
 	{
         case Direction::up:
-			player.head().previousGridPos = player.head().gridPos;
+			if (head.gridPos.y == 0) 
-			player.head().gridPos += sf::Vector2i{ 0, -1 };
+			{
+				fail = true; 
+				return;
+			}
+
+			head.previousGridPos = head.gridPos;
+			head.gridPos.y -= 1;
 			player.facing = Direction::up;
 			// std::cout << "up\n";
 			break;
 
         case Direction::down:
-			player.head().previousGridPos = player.head().gridPos;
+			if (head.gridPos.y == gridCount.y - 1) 
-			player.head().gridPos += sf::Vector2i{ 0, 1 };
+			{
+				fail = true; 
+				return;
+			}
+
+			head.previousGridPos = head.gridPos;
+			head.gridPos.y += 1;
 			player.facing = Direction::down;
 			// std::cout << "down\n";
 			break;
 
         case Direction::left:
-			player.head().previousGridPos = player.head().gridPos;
+			if (head.gridPos.x == 0) 
-			player.head().gridPos += sf::Vector2i{ -1, 0 };
+			{
+				fail = true; 
+				return;
+			}
+
+			head.previousGridPos = head.gridPos;
+			head.gridPos.x -= 1;
 			player.facing = Direction::left;
 			// std::cout << "left\n";
 			break;
 
         case Direction::right:
-			player.head().previousGridPos = player.head().gridPos;
+			if (head.gridPos.x == gridCount.x -1) 
-			player.head().gridPos += sf::Vector2i{ 1, 0 };
+			{
+				fail = true; 
+				return;
+			}
+
+			head.previousGridPos = head.gridPos;
+			head.gridPos.x += 1;
 			player.facing = Direction::right;
 			// std::cout << "right\n";
 			break;
 	}
 
-	player.head().windowPos.x = player.head().gridPos.x * config.gridSize;
+	const size_t limit = player.body.size();
-	player.head().windowPos.y = player.head().gridPos.y * config.gridSize;
+	for (size_t i = 1; i < limit; i++)
+	{
+		player.body[i].previousGridPos = player.body[i].gridPos;
+		player.body[i].gridPos = player.body[i-1].previousGridPos;
+	}
 
 }
 
@@ -279,10 +334,14 @@ void Game::render()
 		for (auto& node : player.body)
 		{
 			tempRect.setFillColor(node.color.sfml());
-			tempRect.setPosition(node.windowPos);
+			tempRect.setPosition(node.windowPos(config.gridSize));
 			window.draw(tempRect);
 		}
 
+		tempRect.setFillColor(fruit.color.sfml());
+		tempRect.setPosition(fruit.windowPos(config.gridSize));
+		window.draw(tempRect);
+
 		score.setString("Score: " + std::to_string(player.score));
 
 		window.draw(score);
@@ -304,7 +363,10 @@ void Game::scoreSystem()
 
 void Game::resetGame()
 {
-
+	player.body.clear();
+	player.body.emplace_back(config.headGridStartPos);
+	fail = false;
+	player.facing = Direction::up;
 }
 
 void Game::failState()
@@ -316,6 +378,11 @@ void Game::failState()
 	// }
 }
 
+void Game::winState()
+{
+
+}
+
 void Game::run()
 {
 	while(window.isOpen())
@@ -326,7 +393,7 @@ void Game::run()
 
 		input();
 
-		if (!fail)
+		if (!fail and !win)
 		{
 			movement();
 
@@ -336,10 +403,14 @@ void Game::run()
 
 			scoreSystem();
 		}
-		else
+		else if (fail)
 		{
 			failState();
 		}
+		else if (win)
+		{
+			winState();
+		}
 
 		imgui();
 

src/Player.cpp

@@ -1,10 +1,15 @@
 #include <Player.h>
 
-SnakeNode::SnakeNode(sf::Vector2i gridPos_in, sf::Color color_in)
+SnakeNode::SnakeNode(sf::Vector2u gridPos_in, const sf::Color& color_in)
 	: gridPos(gridPos_in)
 	, color(color_in)
 { }
 
+sf::Vector2f SnakeNode::windowPos(float gridSize_in)
+{
+	return {gridPos.x * gridSize_in, gridPos.y * gridSize_in};
+}
+
 SnakeNode& Player::head()
 {
 	return body[0];

src/main.cpp

@@ -1,3 +1,4 @@
+#include <log.h>
 #include <Game.h>
 
 int main(int argc, char* argv[])
@@ -11,6 +12,14 @@ int main(int argc, char* argv[])
 			useImgui = false;
 		}	
 	}
+
+	LOG("\n\n\033[32mTODO: ");
+	LOG("-Implement fruit eating");
+	LOG("-Implement sound effects and background music");
+	LOG("-Handle game over state");
+	LOG("-Implement game config via imgui");
+	LOG("\033[0m");
+
 	Game game(useImgui);
 
 	game.run();