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Add tests for FastNoiseLite/NoiseTexture

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+ fix some issues with seamless noise generation
This commit is contained in:
Hendrik Brucker
2023-01-06 02:46:08 +01:00
parent 95ce236b7d
commit ffb8c74f26
5 changed files with 919 additions and 13 deletions
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10
modules/noise/noise.cpp
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@@ -30,11 +30,13 @@
#include "noise.h"
#include <float.h>
Ref<Image> Noise::get_seamless_image(int p_width, int p_height, bool p_invert, bool p_in_3d_space, real_t p_blend_skirt) const {
ERR_FAIL_COND_V(p_width <= 0 || p_height <= 0, Ref<Image>());
int skirt_width = p_width * p_blend_skirt;
int skirt_height = p_height * p_blend_skirt;
int skirt_width = MAX(1, p_width * p_blend_skirt);
int skirt_height = MAX(1, p_height * p_blend_skirt);
int src_width = p_width + skirt_width;
int src_height = p_height + skirt_height;
@@ -67,8 +69,8 @@ Ref<Image> Noise::get_image(int p_width, int p_height, bool p_invert, bool p_in_
// Get all values and identify min/max values.
Vector<real_t> values;
values.resize(p_width * p_height);
real_t min_val = 1000;
real_t max_val = -1000;
real_t min_val = FLT_MAX;
real_t max_val = -FLT_MAX;
for (int y = 0, i = 0; y < p_height; y++) {
for (int x = 0; x < p_width; x++, i++) {