added functionality to change animation curve

Author: Binozo

lib/src/services/blob_animator.dart

@@ -5,13 +5,14 @@ class BlobAnimator {
   AnimationController animationController;
   List<List<Tween>> tweens = [];
   List<List<Animation>> anims = [];
+  final Curve? animationCurve;
 
-  BlobAnimator({required this.pathPoints, required this.animationController});
+  BlobAnimator({required this.pathPoints, required this.animationController, this.animationCurve = Curves.linear});
 
   init(Function(List<Offset>) callback) {
     Animation<double> animation = CurvedAnimation(
       parent: animationController,
-      curve: Curves.linear,
+      curve: animationCurve!,
     );
     pathPoints.asMap().forEach((i, p) {
       tweens.insert(i, []);

lib/src/widgets/animated_blob.dart

@@ -15,6 +15,7 @@ class AnimatedBlob extends StatefulWidget {
   final Duration? duration;
   final BlobData? fromBlobData;
   final BlobData toBlobData;
+  final Curve? animationCurve;
 
   const AnimatedBlob({
     this.size = 200,
@@ -26,6 +27,7 @@ class AnimatedBlob extends StatefulWidget {
     this.id,
     this.duration,
     this.child,
+    this.animationCurve
   });
 
   @override
@@ -51,7 +53,8 @@ class _AnimatedBlobState extends State<AnimatedBlob>
         AnimationController(duration: widget.duration, vsync: this);
     animator = BlobAnimator(
         animationController: _animationController,
-        pathPoints: widget.toBlobData.points!.destPoints!);
+        pathPoints: widget.toBlobData.points!.destPoints!,
+        animationCurve: widget.animationCurve);
     animator.init((o) {
       setState(() {
         data = BlobGenerator(

lib/src/widgets/blob.dart

@@ -20,6 +20,7 @@ class Blob extends StatefulWidget {
   final Duration? duration;
   final bool loop;
   final bool isAnimated;
+  final Curve? animationCurve;
 
   static int count = 0;
 
@@ -34,7 +35,8 @@ class Blob extends StatefulWidget {
   })  : loop = false,
         id = null,
         duration = null,
-        isAnimated = false;
+        isAnimated = false,
+        animationCurve = null;
   Blob.animatedRandom({
     required this.size,
     this.edgesCount = BlobConfig.edgesCount,
@@ -47,6 +49,7 @@ class Blob extends StatefulWidget {
     this.loop = false,
     this.controller,
     this.child,
+    this.animationCurve = Curves.easeInOutCubic,
   })  : isAnimated = true,
         id = null;
 
@@ -61,7 +64,8 @@ class Blob extends StatefulWidget {
         edgesCount = null,
         minGrowth = null,
         duration = null,
-        isAnimated = false;
+        isAnimated = false,
+        animationCurve = null;
 
   Blob.animatedFromID({
     required this.id,
@@ -74,6 +78,7 @@ class Blob extends StatefulWidget {
     this.loop = false,
     this.controller,
     this.child,
+    this.animationCurve = Curves.easeInOutCubic,
   })  : isAnimated = true,
         edgesCount = null,
         minGrowth = null;
@@ -136,6 +141,7 @@ class _BlobState extends State<Blob> {
       debug: widget.debug,
       duration: widget.duration,
       child: widget.child,
+      animationCurve: widget.animationCurve,
     );
   }