Merge pull request #2 from DJayalath/master

Extract random position setting into a separate method for readability

Fix issues relating to segmentation review comments

Update README with segmentation options

Add two segmentation example configurations

Fix missing renderSegmentation uniform bool in fragment shader

Add random data collection parameter

Fix missing import errors

Update fragment shaders with segmentation colours

Add segmentation to parameters

Add mesh segmentation colour configuration

Set terrain segmentation colour

Add segmentation map shader initialisation

Add sun segmentation colour in shader

Adds links to pre-print article in README