What is wrong with my C# Perlin noise generator?
I've been trying to code my own implementation of the Perlin noise algorithm based on this paper: https://www.cs.umd.edu/class/spring2018/cmsc425/Lects/lect13-2d-perlin.pdf
However, it ends up producing a weird pattern which is pretty far off the result I was looking for. The image it creates is below.
I tried messing around with the noise function and dot product function, but I'm unsure of what is actually going wrong. I suspect that I've made a silly error with the logic behind it, so if one of you could point that out for me then that would be greatly appreciated.
9 Replies
$paste
If your code is too long, you can post to https://paste.mod.gg/, save, and copy the link into chat for others to see your shared code!
(text files are pretty rubbish to try and view code on mobile)
Same on PC tbh
I found it very peculiar, that you are initialising a new
Random everytime you are calling Perlin, moving it to class level yields something that looks like noise
Good spot!
Not 100% sure, why that black spot in the top corner is there now, but I'd guess it's because of the calculation of target cells
It still looks suspiciously grid-like, so yeah, I suspect there's something else as well
Noted, I'll use this from now on. Sorry about that 😅
very good point. Thinking back i dont really know why i made a new one each time, so thank you for pointing that out