From bff91628586129359af1619d5ad98b211a6cfda5 Mon Sep 17 00:00:00 2001
From: Vishesh Handa <me@vhanda.in>
Date: Thu, 4 Feb 2021 17:23:32 +0100
Subject: [PATCH] RepoList: Use a better curve

This makes the entire animation look so much better.
---
 lib/widgets/app_drawer.dart        | 10 ++++++++--
 lib/widgets/app_drawer_header.dart |  9 +++++++--
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/lib/widgets/app_drawer.dart b/lib/widgets/app_drawer.dart
index 4eb8db8f..6be8b0a1 100644
--- a/lib/widgets/app_drawer.dart
+++ b/lib/widgets/app_drawer.dart
@@ -40,8 +40,14 @@ class _AppDrawerState extends State<AppDrawer>
         AnimationController(duration: 250.milliseconds, vsync: this);
 
     slideAnimation = Tween(begin: const Offset(0.0, -0.5), end: Offset.zero)
-        .animate(animController);
-    sizeAnimation = Tween(begin: 0.0, end: 1.0).animate(animController);
+        .animate(CurvedAnimation(
+      parent: animController,
+      curve: standardEasing,
+    ));
+    sizeAnimation = Tween(begin: 0.0, end: 1.0).animate(CurvedAnimation(
+      parent: animController,
+      curve: standardEasing,
+    ));
   }
 
   @override
diff --git a/lib/widgets/app_drawer_header.dart b/lib/widgets/app_drawer_header.dart
index 5b864e30..b2acc6e5 100644
--- a/lib/widgets/app_drawer_header.dart
+++ b/lib/widgets/app_drawer_header.dart
@@ -91,6 +91,7 @@ class _CurrentRepo extends StatefulWidget {
 
 class __CurrentRepoState extends State<_CurrentRepo>
     with SingleTickerProviderStateMixin {
+  Animation _animation;
   AnimationController controller;
 
   @override
@@ -98,6 +99,10 @@ class __CurrentRepoState extends State<_CurrentRepo>
     super.initState();
 
     controller = AnimationController(duration: 250.milliseconds, vsync: this);
+    _animation = Tween(begin: 0.0, end: 0.5).animate(CurvedAnimation(
+      parent: controller,
+      curve: Curves.linear,
+    ));
   }
 
   @override
@@ -122,7 +127,7 @@ class __CurrentRepoState extends State<_CurrentRepo>
           crossAxisAlignment: CrossAxisAlignment.start,
         ),
         RotationTransition(
-          turns: Tween(begin: 0.0, end: 0.5).animate(controller),
+          turns: _animation,
           child: IconButton(
             icon: const FaIcon(FontAwesomeIcons.angleDown),
             onPressed: _pressed,
@@ -142,7 +147,7 @@ class __CurrentRepoState extends State<_CurrentRepo>
 
   void _pressed() {
     if (controller.isCompleted) {
-      controller.reverse(from: 0.0);
+      controller.reverse(from: 1.0);
     } else {
       controller.forward(from: 0.0);
     }