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Votes
0
Found in
5.5.0f3
Issue ID
873181
Regression
No
Function Mathf.PerlinNoise returns the value which is less than 0
Reproduction steps:
1. Open the attached file "perlinNoise.zip";
2. Open the scene "test";
3. Enter the Play mode;
4. Observe the Console window;
Actual result: the function Mathf.PerlinNoise (89.5714f, 3234.57f) returns a value which is less than 0.
Expected result: the function Mathf.PerlinNoise should return a value between 0.0f and 1.0f (https://docs.unity3d.com/ScriptReference/Mathf.PerlinNoise.html)
Reproduced with: 5.4.3f1, 5.5.0f3, 5.6.0b5
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Resolution Note:
There are small rounding errors which can result in the final value being slightly above 0 or slightly above 1.
You may need to clamp the return value if the 0.0 to 1.0 range is important to you.