i finally got aabb collision to work properly

src/elements.cpp

@@ -1,8 +1,10 @@
 #include "elements.hpp"
+#include "globals.hpp"
 #include <SFML/Graphics/Rect.hpp>
 #include <SFML/Graphics/Color.hpp>
 #include <SFML/System/Vector2.hpp>
 #include <SFML/Window/Keyboard.hpp>
+#include <ranges>
 
 Entity::Entity(sf::Vector2<float> size, sf::Vector2<float> pos, sf::Vector2f velocity, float border_thickness, sf::Color inside_color, sf::Color border_color) {
 	rect.setSize(size);
@@ -73,3 +75,55 @@ void Player::handle_movment() {
 	}
 
 }
+
+void Player::horizontal_no_out_of_bounds(Entity &base) {
+	float right_border = WIDTH - rect.getSize().x;
+	if(rect.getPosition().x > right_border) {
+		rect.setPosition({ right_border, rect.getPosition().y});
+	}
+	if(rect.getPosition().x < std::abs(rect.getOutlineThickness())) {
+		rect.setPosition({ 0, rect.getPosition().y});
+	}
+}
+
+void Player::vertical_no_out_of_bounds(Entity &base) {
+	float groundY = base.rect.getPosition().y - base.rect.getSize().y - rect.getSize().y - base.rect.getOutlineThickness() - rect.getOutlineThickness();
+	if (rect.getPosition().y >= groundY) {
+		rect.setPosition({rect.getPosition().x, groundY});
+		set_velocity_y(0);
+		m_jumping = false;
+	}
+}
+
+bool Player::vertical_top_collision(Entity *wall_list[MAX_ROWS][MAX_COLS]) {
+	for(int i : std::views::iota(0, MAX_ROWS)) {
+		for(int j : std::views::iota(0, MAX_COLS)) {
+			if(wall_list[i][j] == nullptr) continue;
+			auto collision = find_intersection(*wall_list[i][j]);
+			if(collision == CollisionDir::None) continue;
+			if(collision == CollisionDir::Top) {
+				rect.setPosition({ rect.getPosition().x, wall_list[i][j]->rect.getSize().y + wall_list[i][j]->rect.getPosition().y + rect.getOutlineThickness()});
+				set_velocity_y(0);
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+bool Player::vertical_bottom_collision(Entity *wall_list[MAX_ROWS][MAX_COLS]) {
+	for(int i : std::views::iota(0, MAX_ROWS)) {
+		for(int j : std::views::iota(0, MAX_COLS)) {
+			if(wall_list[i][j] == nullptr) continue;
+			auto collision = find_intersection(*wall_list[i][j]);
+			if(collision == CollisionDir::None) continue;
+			if(collision == CollisionDir::Bottom && get_velocity().y > 0) {
+				rect.setPosition({ rect.getPosition().x, wall_list[i][j]->rect.getPosition().y - rect.getSize().y });
+				m_jumping = false;
+				set_velocity_y(0);
+				return true;
+			}
+		}
+	}
+	return false;
+}