1 files changed, 26 insertions, 0 deletions

@@ -1,2 +1,28 @@
 #include "menu_system.h"
 #include "game.h"
+
+void MenuSystem::tick(double dt) {
+  pauseAnimation_.tick(dt);
+
+  if (openState_ == OpenState::Animating && pauseAnimation_.isComplete()) {
+    if (pauseAnimation_.getProgress() == 0.0) {
+      openState_ = OpenState::Closed;
+
+      game_.unpauseGameplay();
+    } else if (pauseAnimation_.getProgress() == 1.0) {
+      openState_ = OpenState::Open;
+    }
+  }
+}
+
+void MenuSystem::openPauseMenu() {
+  pauseAnimation_.start(125, 1.0);
+  openState_ = OpenState::Animating;
+
+  game_.pauseGameplay();
+}
+
+void MenuSystem::closePauseMenu() {
+  pauseAnimation_.start(125, 0.0);
+  openState_ = OpenState::Animating;
+}