Added shader-based spray prototype
Fixed noisedepth map removes artifacts from noise
Better noisedepth map calculation

Removed magic number. Depth is no more resolution dependent.
Added depthOffset uniform

Generate infinite variations of noise by incrementing depthOffset.
Added spray simulation based on point shaders
Merge pull request #2 from SableRaf/master

First spray renderer prototype
Updated GitIgnore
Merge branch 'refs/heads/develop' into tmp