Add project files.

src/game.cpp

@@ -0,0 +1,43 @@
+#include "game.h"
+
+// --- Paddle Implementation ---
+
+void Paddle::Update() {
+    float speed = 6.0f;
+
+    if (IsKeyDown(KEY_UP)) {
+        position.y -= speed;
+    }
+    if (IsKeyDown(KEY_DOWN)) {
+        position.y += speed;
+    }
+
+    // Limit movement
+    if (position.y <= 0) {
+        position.y = 0;
+    }
+    if (position.y + height >= GetScreenHeight()) {
+        position.y = GetScreenHeight() - height;
+    }
+}
+
+void Paddle::Draw() {
+    DrawRectangleRounded(Rectangle{ position.x, position.y, width, height }, 0.8f, 0, color);
+}
+
+
+// --- Ball Implementation ---
+
+void Ball::Update() {
+    position.x += velocity.x;
+    position.y += velocity.y;
+
+    if (position.y + radius >= GetScreenHeight() || position.y - radius <= 0) {
+        velocity.y *= -1;
+    }
+}
+
+void Ball::Draw() {
+    // Cast to int as DrawCircle expects integers for coordinates
+    DrawCircle((int)position.x, (int)position.y, radius, color);
+}