First commit

.gitignore

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+main.o
+pong

Makefile

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+LDLIBS = -lraylib
+CXXFLAGS += -Wall -Wextra -pedantic -Werror
+
+pong: main.o paddle.hpp ball.hpp
+	g++ $(CXXFLAGS) main.o -o pong $(LDLIBS)
+
+main.o : main.cpp
+	g++ $(CXXFLAGS) -c main.cpp -o main.o

ball.hpp

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+#ifndef BALL_H
+#define BALL_H
+
+class Ball {
+public:
+	/* Variables */
+	raylib::Vector2 pos;
+	raylib::Vector2 vel;
+	int radius;
+	raylib::Color color;
+
+	/* Functions */
+	Ball(int pos_x, int pos_y, int radius, int vel_x = 0, int vel_y = 0) {
+		this->pos = raylib::Vector2(pos_x, pos_y);
+		this->radius = radius;
+		this->color = raylib::Color::White();
+		this->vel = raylib::Vector2(vel_x, vel_y);
+		return;
+	}
+
+	void setPosition(Vector2 pos) {
+		this->pos = pos;
+	}
+
+	void updatePosition() {
+		this->pos.x += this->vel.x;
+		this->pos.y += this->vel.y;
+		return;
+	}
+
+	void draw() {
+		updatePosition();
+		DrawCircle(this->pos.x, this->pos.y, this->radius, this->color);  // This is a raylib function, not a raylib-cpp function
+		return;
+		}
+
+};
+
+#endif

main.cpp

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+#include <iostream>
+#include <raylib-cpp.hpp>
+#include "paddle.hpp"
+#include "ball.hpp"
+
+int main() {
+	/* Initialize variables used to instantiate structs*/
+	const int WIDTH = 600;
+	const int HEIGHT = 480;
+	const int RECT_H = HEIGHT / 3;
+	const int RECT_W = 30;
+	const int CIRC_RAD = 10;
+
+	/* Initialize window */
+	raylib::Window window = raylib::Window(WIDTH, HEIGHT, "Pong");
+	SetTraceLogLevel(LOG_INFO);
+	window.ClearBackground(BLACK);
+	SetTargetFPS(60);
+	SetExitKey(KEY_Q);
+
+	/* Instantiate Paddle and Ball objects */
+	Paddle pad1 = Paddle(10, 10, RECT_W, RECT_H);
+	Paddle pad2 = Paddle(window.GetWidth() - RECT_W - 10, 10, RECT_W, RECT_H);
+	Ball ball = Ball(window.GetWidth()/2, window.GetHeight()/2, CIRC_RAD, 3, 3);
+
+	window.BeginDrawing();
+	pad1.draw();
+	pad2.draw();
+	ball.draw();
+
+	/* Main loop */
+	while (!window.ShouldClose()) {
+		/* Update paddle velocity */
+		if (IsKeyPressed(KEY_S)) {
+			pad1.velocity.y = 5; /* Set positive (downward) velocity, since (0,0) is top-left */
+		}
+		if (IsKeyPressed(KEY_W)) {
+			pad1.velocity.y = -5; /* Set negative (upward) velocity */
+		}
+
+		if (IsKeyReleased(KEY_S) || IsKeyReleased(KEY_W)) {
+			pad1.velocity.y = 0;
+		}
+
+		if (IsKeyPressed(KEY_UP)) {
+			pad2.velocity.y = -5;
+		}
+		if (IsKeyPressed(KEY_DOWN)) {
+			pad2.velocity.y = 5;
+		}
+		if (IsKeyReleased(KEY_UP) || IsKeyReleased(KEY_DOWN)) {
+			pad2.velocity.y = 0;
+		}
+
+		/* Update ball velocity based on collision detection*/
+		if (pad1.getRect().CheckCollision(ball.pos, ball.radius) || pad2.getRect().CheckCollision(ball.pos, ball.radius)) {
+			ball.vel.x = ball.vel.x * (-1);
+		}
+		if (ball.pos.x + ball.radius >= window.GetWidth()) {
+			pad1.incrementPoints();
+			ball.pos = raylib::Vector2(window.GetWidth() / 2, window.GetHeight() / 2);
+		}
+		if (ball.pos.x - ball.radius <= 0) {
+			pad2.incrementPoints();
+			ball.pos = raylib::Vector2(window.GetWidth() / 2, window.GetHeight() / 2);
+		}
+		if (ball.pos.y - ball.radius <= 0 || ball.pos.y + ball.radius >= window.GetHeight()) {
+			ball.vel.y = ball.vel.y * -1;
+		}
+
+		/* Draw objects */
+
+		window.BeginDrawing();
+			window.ClearBackground(BLACK);
+			pad1.draw();
+			pad2.draw();
+			ball.draw();
+		window.EndDrawing();
+	}
+
+	window.Close();
+
+	return 0;
+}

paddle.hpp

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+#ifndef PADDLE_H
+#define PADDLE_H
+
+class Paddle {
+private:
+	/* Variables */
+	raylib::Rectangle rectangle;
+	raylib::Color color;
+	int points;
+
+public:
+	/* Variables */
+	raylib::Vector2 velocity; /* This variable is made public to allow easy modification (no need for getters/setters) */
+
+	/* Functions */
+	Paddle(int pos_x, int pos_y, int width, int height) {
+		this->rectangle = raylib::Rectangle(pos_x, pos_y, width, height);
+		this->color = raylib::Color::White();
+		this->velocity = raylib::Vector2(0,0);
+		points = 0;
+		return;
+	}
+
+	raylib::Rectangle getRect() {
+		return this->rectangle;
+	}
+
+	int getPoints() {
+		return points;
+	}
+	void incrementPoints() {
+		points++;
+	}
+
+	void updatePosition() {
+		this->rectangle.x += this->velocity.x;
+		this->rectangle.y += this->velocity.y;
+		return;
+	}
+	void draw() {
+		updatePosition();
+		this->rectangle.Draw(this->color);
+		return;
+	}
+};
+
+#endif