Making the island by hand might take a crazy long time. So I developed a generator tool/system to procedurally fill up the entire island quickly. It's not a triple-A quality tool just yet, but it does the job well enough for my personal use. It lets me complete the whole island just in a single night!

 

The system consists of multiple generators. From tree generator, texture generator, grass generator, object generator, noise generator, etc. The system will generate things based on parameters passed by the user. The system also includes preset system, allowing user to save-load multiple generation settings for each generator tool.

​

Here is the video showing the workflow and the result of the generation system. It doesn't show the region-making workflows and the video is not edited so there might be several "junk-moments". Proceed to the Youtube page instead to get the video navigation links to skip the junk parts (available in the video description).