__ __ __ __ /\ \ /\ \__/\ \__ __/\ \__ \ `\`\\/'/\_\ \ ,_\ ___ ____/\_\ \ ,_\ __ `\ `\ /'\/\ \ \ \/ /',__ /',__\/\ \ \ \/ /'__`\ `\ \ \ \ \ \ \ \_/\__, ` /\__, `\ \ \ \ \_/\ __/ \ \_\ \ \_\ \__\/\____/ \/\____/\ \_\ \__\ \____\ \/_/ \/_/\/__/\/___/ \/___/ \/_/\/__/\/____/
The lines follow a path made with perlin noise. This one has only the sine squared, so one dimension only travels one way, and the travels normally.