// Won't run in SL because: // a) The header is Unix only, and SL runs on Windows. // b) This is an animation. // I do suggest you try this yourself in a fullscreened terminal. #include #include #include #include #include #include #include #include using std::cout; using std::vector; void tick(vector> &sc, int rows, int cols) { // Display the corresponding color/character for each cell in the fire matrix. for (int i = 0; i < rows; ++i, cout << "\n") { for (int j = 0; j < cols; ++j) { // Fire strength values and their corresponding colors/characters. int strengths[] = {68, 64, 56, 50, 44, 40, 34, -1}; std::string fires[] = {"33;1m%", "33;1m&", "31m$", "31m*", "30;1m+", "30;1m:", "30;1m.", "1m "}; // Find the currrent strength value's color/character and display it. for (int k = 0; k < 8; ++k) { if (sc[i][j] > strengths[k]) { cout << "\033[" + fires[k]; break; } } } } } int main() { struct winsize w; ioctl(STDOUT_FILENO, TIOCGWINSZ, &w); // Get the rows and columns in the terminal window. const int ROWS = w.ws_row; const int COLS = w.ws_col; // Holds integers representing the strength of the fire at each cell. vector> sc(ROWS, vector(COLS)); while (true) { // Set new values for the base of the fire. for (int i = 0; i < COLS; ++i) sc[ROWS - 1][i] = rand() % 2 ? 18 : 99; // Update the plane with new fire strength values. for (int i = 0; i < ROWS - 1; ++i) for (int j = 1; j < COLS - 1; ++j) // Average out the three below the current cell along with the current cell. sc[i][j] = (sc[i][j] + sc[i + 1][j - 1] + sc[i + 1][j] + sc[i + 1][j + 1]) / 4 - 1; // Wait and display the new fire. std::this_thread::sleep_for(std::chrono::milliseconds(60)); tick(sc, ROWS, COLS); } }

[CPP] Colorful Animated Fire