From c1fc60c5a2a4b96b830afc29942648714944b9d7 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Fri, 26 Feb 2021 18:54:38 -0500
Subject: Added sprite bobbing (for Lucas underwater)

---
 src/animation_system.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/animation_system.cpp')

diff --git a/src/animation_system.cpp b/src/animation_system.cpp
index baf94a4..5892f64 100644
--- a/src/animation_system.cpp
+++ b/src/animation_system.cpp
@@ -134,6 +134,25 @@ void AnimationSystem::tick(double dt) {
       }
     }
   }
+
+  bobbingTimer_.accumulate(dt);
+  while (bobbingTimer_.step()) {
+    for (Sprite& sprite : game_.getSprites() | game_.spriteView()) {
+      if (sprite.isAnimated && sprite.bobbing) {
+        if (sprite.bobbingDown) {
+          sprite.bobAmount--;
+          if (sprite.bobAmount == 0) {
+            sprite.bobbingDown = false;
+          }
+        } else {
+          sprite.bobAmount++;
+          if (sprite.bobAmount == 4) {
+            sprite.bobbingDown = true;
+          }
+        }
+      }
+    }
+  }
 }
 
 void AnimationSystem::setSpriteDirection(int spriteId, Direction dir) {
-- 
cgit 1.4.1