Combined animation made working now

Author: amalChandran

lib/vinyl/easing/super_duper_ease_in.dart

@@ -0,0 +1,13 @@
+import 'dart:math';
+import 'package:flutter/animation.dart';
+
+class SuperDuperEaseInAndThenQuickOut extends Curve {
+  final double exponent;
+
+  const SuperDuperEaseInAndThenQuickOut({this.exponent = 5});
+
+  @override
+  double transform(double t) {
+    return pow(t, exponent).toDouble();
+  }
+}