Added Game of Life

1 files changed, 40 insertions, 0 deletions

diff --git a/src/gameOfLife.cpp b/src/gameOfLife.cpp
new file mode 100644
index 0000000..976d4ae
--- /dev/null
+++ b/src/gameOfLife.cpp
@@ -0,0 +1,40 @@
+#include "game.h"
+
+int main() {
+    Game game;
+    GameScreen screen;
+
+    // create random points
+    for (auto &row : game.display) {
+        std::generate(row.begin(), row.end(), zeroOrOne);
+    }
+
+    // game loop
+   for(;;) {
+        // check for alive cells
+        for (int i = 0; i < SCREEN_WIDTH; ++i) {
+            for (int j = 0; j < SCREEN_HEIGHT; ++j) {
+                // check if the cell will be alive or dead in the next generation
+                game.swap[i][j] = isAlive(game.display, i, j) ? 1 : 0;
+            }
+        }
+
+        // draw
+        for (int i = 0; i < SCREEN_WIDTH; ++i) {
+            for (int j = 0; j < SCREEN_HEIGHT; ++j) {
+                if (game.swap[i][j] == 1) {
+                    screen.drawPixel(i, j);
+                }
+            }
+        }
+
+        // swap buffers
+        std::copy(game.swap.begin(), game.swap.end(), game.display.begin());
+
+        // display to screen
+        screen.update();
+        SDL_Delay(20);
+        screen.input();
+        screen.clearPixels();
+    }
+}