Perlin worms for 2D cave generation
I've been trying to make a 2D Minecraft-like game. I'm to the point where I've done the terrain generation, but I want to do cave generation now. I've experimented with Perlin noise, but found that the best I could get to were long connecting caves that never have dead ends. I then found out about perlin worms and realized it would be able to generate worm like caves.
I tried to do research on perlin worms, but there barely seems to be anything on it. Could you make a perlin worm function from a perlin noise function? If so, can you make it so that you could input a coordinate pair and it would return a value for that position like perlin noise functions?
Thanks in advance. All I need are ideas :)
Perlin worms can be created from Perlin noise or any other noise by just considering if the terrain is in a narrow range around the middle value of the terrain.
It is kind of hard to explain, so I've created a visual representation for how you transform a noise into worms.
Original Noise (value noise)
Transformed to Worms
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