#pragma once constexpr char WINDOW_CAPTION[] = "demo5_sprites_bouncing"; constexpr int SCREEN_WIDTH = 320; constexpr int SCREEN_HEIGHT = 240; constexpr int WINDOW_SIZE = 3; constexpr int BALL_SIZE = 8; constexpr float GRAVITY_FORCE = 0.2f; constexpr Uint64 DEMO_SPEED = 1000 / 60; constexpr Uint64 TEXT_DURATION = 2000; struct Color { int r, g, b; };