Re:Understanding Perlin Noise (2014)
by lurklurk on Wednesday January 09, 2019 @06:54PM
(#18870264)
I have implemented Perlin Noise myself and wrote some procedural generation projects. Some experience to share:
- 2D Perlin Noise gives rather significant artifacts. If you look at the examples provided in the article you’ll notice that many of the edges in the examples are along the x and y direction. I use (open) simplex noise to avoid those. (When you are doing terrain generation those artifacts become easily noticeable)
- Gradient noises can be used to control more than just the intensity of something! I have used them to control the orientation of mountain ranges for example. Basically, you can use them to control anything that needs to be smooth and continuous over space.
- 2D Perlin Noise gives rather significant artifacts. If you look at the examples provided in the article you’ll notice that many of the edges in the examples are along the x and y direction. I use (open) simplex noise to avoid those. (When you are doing terrain generation those artifacts become easily noticeable)
- Gradient noises can be used to control more than just the intensity of something! I have used them to control the orientation of mountain ranges for example. Basically, you can use them to control anything that needs to be smooth and continuous over space.