Updated readme. Scaling handle made to inflate like a balloon.

README.md

@@ -30,24 +30,39 @@ colorPicker.connect(brightnessSlider) // or `brightnessSlider.connect(to: colorP
 
 ```
 
+
 ## Installation
 ### Carthage
-```
+```bash
 github "joncardasis/ChromaColorPicker"
 ```
 
 ### Cocoapods
-```
+```bash
 pod 'ChromaColorPicker'
 ```
 ### Manually
 Add all files from the `Source` folder to your project.
 
-## Components
+## Usage
+### Multiple Handles
+```Swift
+// Add handles
+{TODO}
 
+// Add a custom handle
+{TODO}
+
+// Remove handles
+{TODO}
+```
+
+## Components
 ### ChromaColorPicker
+An HSB color picker with support for adding multiple color selection handles.
 
 ### ChromaBrightnessSlider
+[ChromaBrightnessSlider]() is a slider UIControl which can be attached to any `ChromaColorPicker` via the `connect(to:)` method. ChromaBrightnessSlider can also function as a stand-alone UIControl.
 
 ### Supported UIControlEvents
 | Event              | Description  |

Source/ChromaColorPicker.swift

@@ -221,8 +221,13 @@ public class ChromaColorPicker: UIControl, ChromaControlStylable {
     
     internal func animateHandleScale(_ handle: ChromaColorHandle, shouldGrow: Bool) {
         if shouldGrow && handle.transform.d > 1 { return } // Already grown
+        let scalar: CGFloat = 1.25
         
-        let transform = shouldGrow ? CGAffineTransform(scaleX: 1.25, y: 1.25) : CGAffineTransform(scaleX: 1, y: 1)
+        var transform: CGAffineTransform = .identity
+        if shouldGrow {
+            let translateY = -handle.bounds.height * (scalar - 1) / 2
+            transform = CGAffineTransform(scaleX: scalar, y: scalar).translatedBy(x: 0, y: translateY)
+        }
         
         UIView.animate(withDuration: 0.15, delay: 0, usingSpringWithDamping: 1.0, initialSpringVelocity: 0.6, options: .curveEaseInOut, animations: {
             handle.transform = transform