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Fixing GenImagePerlinNoise() being stretched, if Image is not rectangular (#4276)

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Bugsia
2024-08-23 22:22:36 +02:00
committed by GitHub
parent 74350fa7cf
commit 77172e34db
1 changed files with 5 additions and 0 deletions
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5
src/rtextures.c
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@@ -1112,6 +1112,7 @@ Image GenImagePerlinNoise(int width, int height, int offsetX, int offsetY, float
{
Color *pixels = (Color *)RL_MALLOC(width*height*sizeof(Color));
float aspectRatio = (float)width / (float)height;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
@@ -1119,6 +1120,10 @@ Image GenImagePerlinNoise(int width, int height, int offsetX, int offsetY, float
float nx = (float)(x + offsetX)*(scale/(float)width);
float ny = (float)(y + offsetY)*(scale/(float)height);
// Apply aspect ratio compensation to wider side
if (width > height) nx *= aspectRatio;
else ny /= aspectRatio;
// Basic perlin noise implementation (not used)
//float p = (stb_perlin_noise3(nx, ny, 0.0f, 0, 0, 0);