Update README.md

Author: diwi

README.md

@@ -21,19 +21,31 @@ JavaDoc: http://thomasdiewald.com/processing/libraries/liquidfun/reference/index
 ![LiquidFunProcessing](https://github.com/diwi/LiquidFunProcessing/blob/master/screenshots/examples/diewald_LiquidFunProcessing_Examples2.jpg)
 
 ## Examples
-The library includes a lot of examples from the original ![jbox2d testbed](https://github.com/jbox2d/jbox2d/tree/master/jbox2d-testbed/src/main/java/org/jbox2d/testbed/tests).<br>
+The library includes a lot of examples from the original [jbox2d testbed](https://github.com/jbox2d/jbox2d/tree/master/jbox2d-testbed/src/main/java/org/jbox2d/testbed/tests).<br>
 For a quick start, each sketch has a couple of default eventhandlers:
 
 - LMB: drag rigid bodies / particles
 - LMB + SHIFT: shoot a bullet
 - MMB: spawn particles
 - RMB: destroy particles
 
-... ss well as some key-mapping, e.g. to display the debug-draw, restart, pause/resume.<br>
+... as well as some key-mapping, e.g. to display the debug-draw, restart, pause/resume.<br>
 Of course, each of those can be altered, overwritten or disabled/removed.
 
 <br>
 
+
+## Rendermodes
+Default renderer, no postprocessing, particles are rendered as point-sprites, rigid bodies are rendered using the PShape tree structure.
+![Default](https://github.com/diwi/LiquidFunProcessing/blob/master/screenshots/rendermodes/diewald_LiquidFunProcessing_RenderRaw.jpg)
+
+Default renderer + Postprocessing to get a liquid effect and some fake shading.
+PixelFlow (https://github.com/diwi/PixelFlow) needs to be installed to use it.
+![LiquidFx](https://github.com/diwi/LiquidFunProcessing/blob/master/screenshots/rendermodes/diewald_LiquidFunProcessing_RenderLiquidFx.jpg)
+
+Debug Draw, using the box2d world for rendering.
+![Debug](https://github.com/diwi/LiquidFunProcessing/blob/master/screenshots/rendermodes/diewald_LiquidFunProcessing_RenderDebug.jpg)
+
 ## Resources
 
 - jBox2d web: http://www.jbox2d.org/