clean up a bit

2 files changed, 16 insertions, 1 deletions

diff --git a/src/critter.cpp b/src/critter.cpp
index 02e329c4..9d7c860c 100644
--- a/src/critter.cpp
+++ b/src/critter.cpp
@@ -118,7 +118,7 @@ int critter::allocate_frame_time(float dt)
     d = std::min(1., d);
     auto ret = (int)(d / frame_time);
     d -= ret;
-    d = std::max(0., d);
+    d = Math::clamp(d, 0., 1.);
     delta = (uint16_t)(d * 65535);
     return ret;
 }
@@ -144,6 +144,19 @@ Vector2 critter::ordinal_offset(Vector2b offset) const
 
 void critter::update(size_t i, float dt)
 {
+    if (playable)
+        update_playable(i, dt);
+    else
+        update_nonplayable(i, dt);
+}
+
+void critter::update_nonplayable(size_t i, float dt)
+{
+    (void)i; (void)dt; (void)playable;
+}
+
+void critter::update_playable(size_t i, float dt)
+{
     const auto new_r = arrows_to_dir(b_L, b_R, b_U, b_D);
     if (new_r == rotation_COUNT)
     {
diff --git a/src/critter.hpp b/src/critter.hpp
index cfb6acb3..f419c745 100644
--- a/src/critter.hpp
+++ b/src/critter.hpp
@@ -27,6 +27,8 @@ struct critter final : object
     explicit operator critter_proto() const;
 
     void update(size_t i, float dt) override;
+    void update_playable(size_t i, float dt);
+    void update_nonplayable(size_t i, float dt);
     void set_keys(bool L, bool R, bool U, bool D);
     Vector2 ordinal_offset(Vector2b offset) const override;
     float depth_offset() const override;