Select preset and curve animation with enum value

Spring/Extensions.swift

@@ -0,0 +1,18 @@
+
+import UIKit
+
+// Extension on Springable protocol that conforms to UIView (UIButton, UILabel, ...)
+extension Springable where Self: UIView {
+
+  /**
+   Setup your animation preset and curve.
+   - Parameters:
+      - preset: The animation you want to play (`.ZoomIn`, `.ZoomOut`, `.FadeIn`, ...).
+      - curve: The curve you want to apply to your animation (`.EaseIn`, `.EaseOut`, ...).
+   - Important: This function only setup preset and curve animation you have to animate it using `yourUIView.animate()` for exemple.
+  */
+  func animation(preset: Spring.AnimationPreset, curve: Spring.AnimationCurve) {
+    self.animation = preset.rawValue
+    self.curve = curve.rawValue
+  }
+}