Installation

Drag and drop the Spring folder to your Xcode project.

* If you don't need all extra stuff, just drop Spring/SpringView.swift to your Xcode project.

Usage with Storyboard

In Identity Inspector, connect the UIView to SpringView Class and set the animation properties in Attribute Inspector.

Usage with Code

layer.animation = "squeezeDown"
layer.animate()

Chaining Animations

layer.y = -50
animateToNext() {
  layer.animation = "fall"
  layer.animateTo()
}

Presets

    "shake",
    "pop",
    "morph",
    "squeeze",
    "wobble",
    "swing",
    "flipX",
    "flipY",
    "fall",
    "squeezeLeft",
    "squeezeRight",
    "squeezeDown",
    "squeezeUp",
    "slideLeft",
    "slideRight",
    "slideDown",
    "slideUp",
    "fadeIn",
    "fadeOut",
    "fadeInLeft",
    "fadeInRight",
    "fadeInDown",
    "fadeInUp",
    "zoomIn",
    "zoomOut",
    "flash",

Curve

  "spring", 
  "linear", 
  "easeIn", 
  "easeOut", 
  "easeInOut"

Properties

force
duration
delay
damping
velocity
scale
x
y
rotate

* Not all properties work together. Play with the demo app.