Update README & screenshot

README.md

@@ -1,9 +1,29 @@
-# Water 2D Surface for Unity
+# 2D Water surface in Unity3D
 
-A simple shader + example of a water surface with reflection in 2D.
+![screenshot](screenshot.gif)
 
-![Screenshot](screenshot.gif)
+## Description
 
-See the [blog post with more info](TODO).
+A 2D water surface that will deform what is "underwater".
 
-Made with Unity 5.2.4f1.
+More details in [my blog post](http://dmayance.com/water-surface-2d-unity/).
+
+Made with Unity 5.4.3f1 but should work on all Unity 5 versions.
+
+*Not enough tested on mobile and not tested at all on consoles*
+
+## Usage
+
+1. Clone this repository or download the latest [release package available](https://github.com/valryon/water2d-unity/releases).
+
+2. Add the "Water2D Surface" prefab in your scene. This is now your water.
+
+3. Tweak the sprite order/layer of the surface
+
+4. Add a `WaterReflectableScript` to any object you want to be reflected in the water
+
+Enjoy! You can also simply place sprites under water using sprite layers/order.
+
+## Credits
+
+Demo assets made by the [Superpower team](https://github.com/sparklinlabs/superpowers-asset-packs).