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Spiral animation in Terminal, a bit dirty
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| #include <iostream> | |
| #include <vector> | |
| #include <string> | |
| #include <unistd.h> | |
| using namespace std; | |
| const string CSI{"\x1b["}; | |
| const string CYAN{CSI + "36m"}; | |
| const string RED{CSI + "31m"}; | |
| const string GREEN{CSI + "32m"}; | |
| const string YELLOW{CSI + "33m"}; | |
| const string RESET{CSI + "30m"}; | |
| ostream &curpos(int row, int col) { | |
| return cout << CSI << row << ';' << col << 'H'; | |
| } | |
| typedef vector<vector<char>> field; | |
| const char empty = ' '; | |
| char filled = '@'; | |
| enum Direction { | |
| RIGHT, | |
| DOWN, | |
| LEFT, | |
| UP, | |
| NONE | |
| }; | |
| void init(field& f) { | |
| for(unsigned i = 0; i < 25; ++i) { | |
| f.emplace_back(); | |
| for(unsigned j = 0; j < 51; ++j) | |
| f[i].push_back(empty); | |
| } | |
| } | |
| bool fill(field& f, unsigned x, unsigned y, Direction c) { | |
| if(y < f.size() && x < f[y].size()) { | |
| if(f[y][x] == empty) { | |
| f[y][x] = filled; | |
| curpos(y+1, x+1); | |
| string color = c == RIGHT ? RED : | |
| c == DOWN ? GREEN : | |
| c == LEFT ? YELLOW : | |
| c == UP ? CYAN : RESET; | |
| string color_bg = color; | |
| color_bg.replace(color_bg.find("3"), 1, "4"); | |
| std::cout << color_bg << color << filled; | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| Direction c = RIGHT; | |
| bool iterate(field& f, unsigned& x, unsigned& y, Direction& d, int style) { | |
| if(style == 0) c = d; | |
| else if(style == 1) c = (Direction) ((c + 1) % 4); | |
| else if(style == 2) c = (Direction) (rand() % 4); | |
| else if(style == 4) c = NONE; | |
| if(fill(f, x, y, c)) return true; | |
| if(d == RIGHT) { | |
| if(fill(f, ++x, y, c)) return true; | |
| --x; | |
| d = DOWN; | |
| } | |
| else if(d == DOWN) { | |
| if(fill(f, x, ++y, c)) return true; | |
| --y; | |
| d = LEFT; | |
| } | |
| else if(d == LEFT) { | |
| if(fill(f, --x, y, c)) return true; | |
| ++x; | |
| d = UP; | |
| } | |
| else if(d == UP) { | |
| if(fill(f, x, --y, c)) return true; | |
| ++y; | |
| d = RIGHT; | |
| } | |
| return false; | |
| } | |
| bool iterateMulti(field& f, unsigned& x, unsigned& y, Direction& d, int style) { | |
| bool success = false; | |
| for(int i = 0; i < 5; ++i) | |
| if(iterate(f, x, y, d, style)) | |
| success = true; | |
| if(style != 4) usleep(d == UP || d == DOWN ? 18000 : 1050); | |
| else usleep(10000); | |
| return success; | |
| } | |
| void run(int style) { | |
| field f; | |
| init(f); | |
| Direction d = RIGHT; | |
| unsigned x = 0, y = 0; | |
| while(iterateMulti(f, x, y, d, style)) {} | |
| } | |
| int main() { | |
| system("CLS"); | |
| run(2); | |
| run(4); | |
| run(1); | |
| run(4); | |
| run(0); | |
| run(4); | |
| curpos(27, 0); | |
| return 0; | |
| } |
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