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Question by kbartek · Feb 04, 2020 at 09:58 PM · randomgenerationheightmapperlin noisenoise

How to create a perlin noise heightmap with the values being the highest around a point?

I want to create a Perlin noise heightmap, but I want the values to go "up" as the X and Y coordinates are approaching a certain target. I want to do something like this (the target is in the middle): (Perlin noise values going up as the coordinates approach the centre)

So, how can I do something like that in Unity?

perlinnoise.png (124.0 kB)
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Answer by kbartek · Feb 05, 2020 at 04:46 PM

Nevermind, I've figured it out by myself. Basically, I've created a Vector2, with the coordinates ranging from 0f to 1f, then I looped over the heights array, and for every height (pixel) I've multiplied it by the distance between the target Vector2 and the current x and y, divided by the resolution, then I've subtracted 1 from this value to "invert" it. You can also multiply the distance by some value to get a more apparent effect.

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avatar image augustocabrera1b · Feb 06, 2020 at 11:56 AM 0
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Can you upload the script please? Thank you bro!

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