Release 0.1.0

Example/Pods/pop/pop/POPSpringAnimation.h

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+/**
+ Copyright (c) 2014-present, Facebook, Inc.
+ All rights reserved.
+
+ This source code is licensed under the BSD-style license found in the
+ LICENSE file in the root directory of this source tree. An additional grant
+ of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <pop/POPPropertyAnimation.h>
+
+/**
+ @abstract A concrete spring animation class.
+ @discussion Animation is achieved through modeling spring dynamics.
+ */
+@interface POPSpringAnimation : POPPropertyAnimation
+
+/**
+ @abstract The designated initializer.
+ @returns An instance of a spring animation.
+ */
++ (instancetype)animation;
+
+/**
+ @abstract Convenience initializer that returns an animation with animatable property of name.
+ @param name The name of the animatable property.
+ @returns An instance of a spring animation configured with specified animatable property.
+ */
++ (instancetype)animationWithPropertyNamed:(NSString *)name;
+
+/**
+ @abstract The current velocity value.
+ @discussion Set before animation start to account for initial velocity. Expressed in change of value units per second.
+ */
+@property (copy, nonatomic) id velocity;
+
+/**
+ @abstract The effective bounciness.
+ @discussion Use in conjunction with 'springSpeed' to change animation effect. Values are converted into corresponding dynamics constants. Defined as a value in the range [0, 20]. Defaults to 4.
+ */
+@property (assign, nonatomic) CGFloat springBounciness;
+
+/**
+ @abstract The effective speed.
+ @discussion Use in conjunction with 'springBounciness' to change animation effect. Values are converted into corresponding dynamics constants. Defined as a value in the range [0, 20]. Defaults to 12.
+ */
+@property (assign, nonatomic) CGFloat springSpeed;
+
+/**
+ @abstract The tension used in the dynamics simulation.
+ @discussion Can be used over bounciness and speed for finer grain tweaking of animation effect.
+ */
+@property (assign, nonatomic) CGFloat dynamicsTension;
+
+/**
+ @abstract The friction used in the dynamics simulation.
+ @discussion Can be used over bounciness and speed for finer grain tweaking of animation effect.
+ */
+@property (assign, nonatomic) CGFloat dynamicsFriction;
+
+/**
+ @abstract The mass used in the dynamics simulation.
+ @discussion Can be used over bounciness and speed for finer grain tweaking of animation effect.
+ */
+@property (assign, nonatomic) CGFloat dynamicsMass;
+
+@end