Refactor to simplify inheritence chain.

Renamed `buildAnimation` to `buildBeginEndAnimation` to make things a little more clear.

Author: esDotDev

lib/effect_entry.dart

@@ -1,10 +1,6 @@
 import 'package:flutter/widgets.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 
-import 'effects/effects.dart';
-import 'animate.dart';
-import 'animate_list.dart';
-
 export 'animate.dart';
 export 'animate_list.dart';
 export 'adapters/adapters.dart';

lib/effects/blur_effect.dart

@@ -35,7 +35,7 @@ class BlurEffect extends BeginEndEffect<Offset> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<Offset> animation = buildAnimation(controller, entry);
+    Animation<Offset> animation = buildBeginEndAnimation(controller, entry);
     return getOptimizedBuilder<Offset>(
       animation: animation,
       builder: (_, __) {

lib/effects/custom_effect.dart

@@ -38,7 +38,7 @@ class CustomEffect extends BeginEndEffect<double> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<double> animation = buildAnimation(controller, entry);
+    Animation<double> animation = buildTweenedAnimation(controller, entry);
     return getOptimizedBuilder<double>(
       animation: animation,
       builder: (ctx, __) => builder(ctx, animation.value, child),

lib/effects/effect.dart

@@ -25,13 +25,9 @@ class BeginEndEffect<T> extends Effect {
   /// default value when appropriate.
   final T? end;
 
-  /// Returns an animation based on the controller, entry, and begin/end values.
-  Animation<T> buildAnimation(
-    AnimationController controller,
-    EffectEntry entry,
-  ) {
-    return entry.buildAnimation(controller).drive(Tween<T>(begin: begin, end: end));
-  }
+  /// Helper method for concrete effects to easily create an Animation<T> from the current begin/end values.
+  Animation<T> buildBeginEndAnimation(AnimationController controller, EffectEntry entry) =>
+      entry.buildTweenedAnimation(controller, Tween(begin: begin, end: end));
 }
 
 /// Class that defines the required interface and helper methods for
@@ -41,7 +37,7 @@ class BeginEndEffect<T> extends Effect {
 ///
 /// It can be instantiated and added to Animate, but has no visual effect.
 @immutable
-class Effect<T> {
+class Effect {
   const Effect({this.delay, this.duration, this.curve});
 
   /// The specified delay for the effect. If null, will use the delay from the

lib/effects/fade_effect.dart

@@ -31,7 +31,7 @@ class FadeEffect extends BeginEndEffect<double> {
     EffectEntry entry,
   ) {
     return FadeTransition(
-      opacity: buildAnimation(controller, entry),
+      opacity: buildBeginEndAnimation(controller, entry),
       child: child,
     );
   }

lib/effects/move_effect.dart

@@ -41,7 +41,7 @@ class MoveEffect extends BeginEndEffect<Offset> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<Offset> animation = buildAnimation(controller, entry);
+    Animation<Offset> animation = buildTweenedAnimation(controller, entry);
     return getOptimizedBuilder<Offset>(
       animation: animation,
       builder: (_, __) {

lib/effects/rotate_effect.dart

@@ -38,7 +38,7 @@ class RotateEffect extends BeginEndEffect<double> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<double> animation = buildAnimation(controller, entry);
+    Animation<double> animation = buildTweenedAnimation(controller, entry);
     return RotationTransition(
       turns: animation,
       alignment: alignment ?? Alignment.center,

lib/effects/saturate_effect.dart

@@ -38,7 +38,7 @@ class SaturateEffect extends BeginEndEffect<double> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<double> animation = buildAnimation(controller, entry);
+    Animation<double> animation = buildTweenedAnimation(controller, entry);
     return getOptimizedBuilder<double>(
       animation: animation,
       builder: (_, __) {

lib/effects/scale_effect.dart

@@ -36,7 +36,7 @@ class ScaleEffect extends BeginEndEffect<Offset> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<Offset> animation = buildAnimation(controller, entry);
+    Animation<Offset> animation = buildTweenedAnimation(controller, entry);
     return getOptimizedBuilder<Offset>(
       animation: animation,
       builder: (_, __) {

lib/effects/shake_effect.dart

@@ -60,7 +60,7 @@ class ShakeEffect extends BeginEndEffect<double> {
     final bool shouldTranslate = offset != Offset.zero;
     if (!shouldRotate && !shouldTranslate) return child;
 
-    final Animation<double> animation = buildAnimation(controller, entry);
+    final Animation<double> animation = buildTweenedAnimation(controller, entry);
     final int count = (entry.duration.inMilliseconds / 1000 * hz).round();
 
     return getOptimizedBuilder<double>(

lib/effects/shimmer_effect.dart

@@ -60,7 +60,7 @@ class ShimmerEffect extends BeginEndEffect<double> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<double> animation = buildAnimation(controller, entry);
+    Animation<double> animation = buildTweenedAnimation(controller, entry);
     return getOptimizedBuilder<double>(
       animation: animation,
       builder: (_, __) {

lib/effects/slide_effect.dart

@@ -37,7 +37,7 @@ class SlideEffect extends BeginEndEffect<Offset> {
     EffectEntry entry,
   ) {
     return SlideTransition(
-      position: buildAnimation(controller, entry),
+      position: buildTweenedAnimation(controller, entry),
       child: child,
     );
   }

lib/effects/tint_effect.dart

@@ -44,7 +44,7 @@ class TintEffect extends BeginEndEffect<double> {
     AnimationController controller,
     EffectEntry entry,
   ) {
-    Animation<double> animation = buildAnimation(controller, entry);
+    Animation<double> animation = buildBeginEndAnimation(controller, entry);
     return getOptimizedBuilder<double>(
       animation: animation,
       builder: (_, __) {