From f9115751b456e0e1a3f5e4bb4984b83a9509b50c Mon Sep 17 00:00:00 2001
From: Francesco Abbate <francesco.bbt@gmail.com>
Date: Sat, 20 Mar 2021 17:00:43 +0100
Subject: [PATCH] Minor simplification of animation rate adjustment

---
 data/core/view.lua | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/data/core/view.lua b/data/core/view.lua
index 7ab5e042..2fb431d6 100644
--- a/data/core/view.lua
+++ b/data/core/view.lua
@@ -25,11 +25,9 @@ function View:move_towards(t, k, dest, rate)
     t[k] = dest
   else
     rate = rate or 0.5
-    if config.fps ~= 60 then
-      local xrate = common.clamp(rate, 1e-8, 1 - 1e-8)
-      local alpha = math.log(1 - xrate) * config.animation_rate
+    if config.fps ~= 60 or config.animation_rate ~= 1 then
       local dt = 60 / config.fps
-      rate = 1 - math.exp(alpha * dt)
+      rate = 1 - common.clamp(1 - rate, 1e-8, 1 - 1e-8)^(config.animation_rate * dt)
     end
     t[k] = common.lerp(val, dest, rate)
   end