Create effect class, fix zombo hitbox

Makefile

@@ -6,8 +6,9 @@ OBJS= \
 	build/src/Zombo.o \
 	build/src/Sprite.o \
 	build/src/Player.o \
-	build/src/Particle.o \
-	build/src/GameRenderer.o
+	build/src/GameRenderer.o \
+	build/src/effects/Particle.o \
+	build/src/effects/GoldGainedHint.o
 
 MAKEFLAGS += -j $(shell nproc)
 

src/Game.cpp

@@ -5,6 +5,7 @@
 #include "Player.hpp"
 #include "Game.hpp"
 #include "Color.hpp"
+#include "effects/Particle.hpp"
 
 using namespace std::literals::chrono_literals;
 
@@ -30,14 +31,14 @@ void Game::update(std::stop_token stop_token)
 			arrow.update();
 		}
 
-		for (Particle &particle : particles) {
-			particle.update();
-
-			if (particle.ticks > particle.max_ticks) {
-				std::erase(particles, particle);
-			}
+		for (std::unique_ptr<Effect> &effect : effects) {
+			effect->update();
 		}
 
+		std::erase_if(effects, [](const std::unique_ptr<Effect> &effect) {
+			return effect->ticks > effect->max_ticks;
+		});
+
 		// Remove arrows that are out of bounds
 		std::erase_if(arrows, [this](const Arrow &arrow) {
 			if (arrow.x < map.tile_offset_x * map.tile_size || arrow.y < map.tile_offset_x * map.tile_size) {
@@ -60,15 +61,15 @@ void Game::update(std::stop_token stop_token)
 			// Check collision between zombos and arrows
 			for (Arrow &arrow : arrows) {
 				if (
-					arrow.x > zombo.x && arrow.x < zombo.x + zombo_sprite->width &&
-					arrow.y > zombo.y && arrow.y < zombo.y + zombo_sprite->height
+					arrow.x > zombo.x - zombo_sprite->width / 2 && arrow.x < zombo.x + zombo_sprite->width / 2 &&
+					arrow.y > zombo.y - zombo_sprite->height / 2 && arrow.y < zombo.y + zombo_sprite->height / 2
 				) {
 					zombo.hp--;
 					zombo.x += std::cos(arrow.angle) * 8;
 					zombo.y += std::sin(arrow.angle) * 8;
 
 					for (int i = 0; i < 5; i++) {
-						particles.emplace_back(rgb(255, 0, 0), zombo.x, zombo.y, rand() % 6 - 3, -2 - (double)rand() / RAND_MAX * 4);
+						effects.push_back(std::make_unique<Particle>(rgb(255, 0, 0), zombo.x, zombo.y, rand() % 6 - 3, -2 - (double)rand() / RAND_MAX * 4));
 					}
 
 					std::erase(arrows, arrow);
@@ -111,8 +112,8 @@ void Game::draw()
 		arrow.draw(&renderer, *arrow_sprite, player.x, player.y);
 	}
 
-	for (const Particle &particle : particles) {
-		particle.draw(&renderer, player.x, player.y);
+	for (const std::unique_ptr<Effect> &effect : effects) {
+		effect->draw(&renderer, player.x, player.y);
 	}
 
 	player.draw();

src/Game.hpp

@@ -8,7 +8,7 @@
 #include "Player.hpp"
 #include "Map.hpp"
 #include "Zombo.hpp"
-#include "Particle.hpp"
+#include "effects/Effect.hpp"
 
 class Game
 {
@@ -18,7 +18,7 @@ private:
 	Map map;
 	std::vector<Arrow> arrows;
 	std::vector<Zombo> zombos;
-	std::vector<Particle> particles;
+	std::vector<std::unique_ptr<Effect>> effects;
 	std::unique_ptr<Sprite> arrow_sprite, zombo_sprite, gold_sprite;
 	Font *font;
 

src/effects/Effect.hpp

@@ -0,0 +1,19 @@
+#ifndef EFFECT_HPP
+#define EFFECT_HPP
+
+#include "../GameRenderer.hpp"
+
+class Effect
+{
+public:
+	int ticks = 0;
+	int max_ticks;
+
+	virtual ~Effect() = default;
+
+	virtual void update() = 0;
+
+	virtual void draw(const GameRenderer *renderer, double player_x, double player_y) const = 0;
+};
+
+#endif

src/effects/GoldGainedHint.cpp

@@ -0,0 +1,17 @@
+#include "GoldGainedHint.hpp"
+
+GoldGainedHint::GoldGainedHint(double x, double y, int amount, const Sprite *gold_sprite, Font *font)
+	: x(x), y(y), amount(amount), gold_sprite(gold_sprite), font(font)
+{
+	max_ticks = 40;
+}
+
+void GoldGainedHint::update()
+{
+	y--;
+}
+
+void GoldGainedHint::draw(const GameRenderer *renderer, double player_x, double player_y) const
+{
+
+}

src/effects/GoldGainedHint.hpp

@@ -0,0 +1,27 @@
+#ifndef GOLD_GAINED_HINT_HPP
+#define GOLD_GAINED_HINT_HPP
+
+#include "Effect.hpp"
+#include "../Sprite.hpp"
+#include "../GameRenderer.hpp"
+
+class GoldGainedHint : public Effect
+{
+private:
+	double x, y;
+	int amount;
+
+	const Sprite *gold_sprite;
+	Font *font;
+
+public:
+	GoldGainedHint(double x, double y, int amount, const Sprite *gold_sprite, Font *font);
+
+	void update() override;
+
+	void draw(const GameRenderer *renderer, double player_x, double player_y) const override;
+
+	bool operator==(const GoldGainedHint &other) const = default;
+};
+
+#endif

src/effects/Particle.cpp

@@ -1,5 +1,11 @@
 #include "Particle.hpp"
-#include "GameRenderer.hpp"
+#include "../GameRenderer.hpp"
+
+Particle::Particle(Color color, double x, double y, double x_vel, double y_vel)
+	: color(color), x(x), y(y), x_vel(x_vel), y_vel(y_vel)
+{
+	max_ticks = 40;
+}
 
 void Particle::update()
 {

src/effects/Particle.hpp

@@ -1,10 +1,11 @@
 #ifndef PARTICLE_HPP
 #define PARTICLE_HPP
 
-#include "Color.hpp"
-#include "GameRenderer.hpp"
+#include "Effect.hpp"
+#include "../Color.hpp"
+#include "../GameRenderer.hpp"
 
-class Particle
+class Particle : public Effect
 {
 private:
 	Color color;
@@ -13,15 +14,11 @@ private:
 	static constexpr int size = 3;
 
 public:
-	int ticks = 0;
-	static constexpr int max_ticks = 40;
+	Particle(Color color, double x, double y, double x_vel, double y_vel);
 
-	Particle(Color color, double x, double y, double x_vel, double y_vel)
-		: color(color), x(x), y(y), x_vel(x_vel), y_vel(y_vel) {}
+	void update() override;
 
-	void update();
-
-	void draw(const GameRenderer *renderer, double player_x, double player_y) const;
+	void draw(const GameRenderer *renderer, double player_x, double player_y) const override;
 
 	bool operator==(const Particle &other) const;
 };