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REVIEWED: GenImagePerlinNoise(), clamp values #3071

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Ray 2023-05-21 10:28:04 +02:00
parent f31df7521a
commit 3a841ac130
1 changed files with 4 additions and 0 deletions
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src/rtextures.c
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@ -846,6 +846,10 @@ Image GenImagePerlinNoise(int width, int height, int offsetX, int offsetY, float
// octaves = 6 -- number of "octaves" of noise3() to sum // octaves = 6 -- number of "octaves" of noise3() to sum
float p = stb_perlin_fbm_noise3(nx, ny, 1.0f, 2.0f, 0.5f, 6); float p = stb_perlin_fbm_noise3(nx, ny, 1.0f, 2.0f, 0.5f, 6);
// Clamp between -1.0f and 1.0f
if (p < -1.0f) p = -1.0f;
if (p > 1.0f) p = 1.0f;
// We need to normalize the data from [-1..1] to [0..1] // We need to normalize the data from [-1..1] to [0..1]
float np = (p + 1.0f)/2.0f; float np = (p + 1.0f)/2.0f;