feat: raycasting part 3

src/Game.cpp

@@ -111,25 +111,25 @@ void Game::update(double dt) {
   player.update(dt, window, worldView);
 
   // INIT/UPDATE RAYS ------------------------------------------
-  auto mousePos = sf::Mouse::getPosition(window);
-  auto mousePosWorld = window.mapPixelToCoords(mousePos, worldView);
-
+  sf::Vector2 playerPosition = player.position;
   rayVertices.clear();
   hitPoints.clear();
 
   for (sf::Vector2 targetPoint : walls.getPoints()) {
-    hitPoints.emplace_back(updateRay(mousePosWorld, targetPoint, 0.f));
-    hitPoints.emplace_back(updateRay(mousePosWorld, targetPoint, 0.001f));
-    hitPoints.emplace_back(updateRay(mousePosWorld, targetPoint, -0.001f));
+    hitPoints.emplace_back(updateRay(playerPosition, targetPoint, 0.f));
+    hitPoints.emplace_back(updateRay(playerPosition, targetPoint, 0.001f));
+    hitPoints.emplace_back(updateRay(playerPosition, targetPoint, -0.001f));
   }
   std::sort(hitPoints.begin(), hitPoints.end(),
-            [mousePosWorld](sf::Vector2f a, sf::Vector2f b) -> bool {
-              auto angleA = atan2(mousePosWorld.y - a.y, mousePosWorld.x - a.x);
-              auto angleB = atan2(mousePosWorld.y - b.y, mousePosWorld.x - b.x);
+            [playerPosition](sf::Vector2f a, sf::Vector2f b) -> bool {
+              auto angleA =
+                  atan2(playerPosition.y - a.y, playerPosition.x - a.x);
+              auto angleB =
+                  atan2(playerPosition.y - b.y, playerPosition.x - b.x);
               return angleA < angleB;
             });
 
-  rayVertices.append({mousePosWorld, lightColor});
+  rayVertices.append({playerPosition, lightColor});
   for (auto hitPoint : hitPoints) {
     rayVertices.append({hitPoint, lightColor});
   }

src/Game.hpp

@@ -12,7 +12,7 @@
 #include "Player.hpp"
 #include "Walls.hpp"
 
-constexpr bool VSYNC = false;
+constexpr bool VSYNC = true;
 constexpr int WIDTH = 1920;
 constexpr int HEIGHT = 1080;
 constexpr int DEBUG_REFRESH_RATE_IN_MS = 250;

src/Player.cpp

@@ -1,4 +1,5 @@
 #include "Player.hpp"
+#include "Game.hpp"
 #include <SFML/Graphics/CircleShape.hpp>
 #include <SFML/Graphics/View.hpp>
 
@@ -11,8 +12,12 @@ void Player::update(double dt, sf::RenderWindow &window, const sf::View &view) {
   auto mousePos = sf::Mouse::getPosition(window);
   auto mousePosWorld = window.mapPixelToCoords(mousePos, view);
 
-  circleShape.setPosition(
-      {mousePosWorld.x - shapeRadius, mousePosWorld.y - shapeRadius});
+  if ((mousePosWorld.x > WIDTH || mousePosWorld.x < 0) ||
+      (mousePosWorld.y > HEIGHT || mousePosWorld.y < 0))
+    return;
+
+  position = {mousePosWorld.x - shapeRadius, mousePosWorld.y - shapeRadius};
+  circleShape.setPosition(position);
 };
 
 void Player::render(sf::RenderWindow &window) { window.draw(circleShape); };

src/Player.hpp

@@ -5,11 +5,14 @@
 #include <SFML/Graphics/Color.hpp>
 #include <SFML/Graphics/RenderWindow.hpp>
 #include <SFML/Graphics/View.hpp>
+#include <SFML/System/Vector2.hpp>
 
 class Player {
 public:
   Player(float size, sf::Color color);
 
+  sf::Vector2f position;
+
   void update(double dt, sf::RenderWindow &window, const sf::View &view);
   void render(sf::RenderWindow &window);
 

src/Walls.cpp

@@ -4,10 +4,18 @@
 #include <SFML/System/Vector2.hpp>
 
 Walls::Walls() : walls(sf::PrimitiveType::Lines) {
-  add({1.f, 1.f}, {WIDTH - 1.f, 1.f});
-  add({1.f, 1.f}, {1.f, HEIGHT - 1.f});
-  add({WIDTH - 1.f, 1.f}, {WIDTH - 1.f, HEIGHT - 1.f});
-  add({1.f, HEIGHT - 1.f}, {WIDTH - 1.f, HEIGHT - 1.f});
+  constexpr int dWidth = WIDTH * 2;
+  constexpr int dHeight = HEIGHT * 2;
+
+  constexpr sf::Vector2f topLeft = {-WIDTH, -HEIGHT};
+  constexpr sf::Vector2f topRight = {dWidth, -HEIGHT};
+  constexpr sf::Vector2f bottomLeft = {-WIDTH, dHeight};
+  constexpr sf::Vector2f bottomRight = {dWidth, dHeight};
+
+  add(topLeft, topRight);
+  add(topLeft, bottomLeft);
+  add(topRight, bottomRight);
+  add(bottomLeft, bottomRight);
 
   add({1000.f, 500.f}, {1500.f, 500.f});
   add({500.f, 240.f}, {500.f, 760.f});