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Merge pull request #44832 from nathansmith339/opensimplex-optimization

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OpenSimplex data optimization
This commit is contained in:
Rémi Verschelde
2021-01-07 10:51:30 +01:00
committed by GitHub
parent 2e1abfb90f 041fe20f64
commit 55e876777c
2 changed files with 8 additions and 16 deletions
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20
modules/opensimplex/open_simplex_noise.cpp
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@@ -104,7 +104,7 @@ void OpenSimplexNoise::set_lacunarity(float p_lacunarity) {
Ref<Image> OpenSimplexNoise::get_image(int p_width, int p_height) const {
Vector<uint8_t> data;
data.resize(p_width * p_height * 4);
data.resize(p_width * p_height);
uint8_t *wd8 = data.ptrw();
@@ -112,21 +112,17 @@ Ref<Image> OpenSimplexNoise::get_image(int p_width, int p_height) const {
for (int j = 0; j < p_width; j++) {
float v = get_noise_2d(j, i);
v = v * 0.5 + 0.5; // Normalize [0..1]
uint8_t value = uint8_t(CLAMP(v * 255.0, 0, 255));
wd8[(i * p_width + j) * 4 + 0] = value;
wd8[(i * p_width + j) * 4 + 1] = value;
wd8[(i * p_width + j) * 4 + 2] = value;
wd8[(i * p_width + j) * 4 + 3] = 255;
wd8[(i * p_width + j)] = uint8_t(CLAMP(v * 255.0, 0, 255));
}
}
Ref<Image> image = memnew(Image(p_width, p_height, false, Image::FORMAT_RGBA8, data));
Ref<Image> image = memnew(Image(p_width, p_height, false, Image::FORMAT_L8, data));
return image;
}
Ref<Image> OpenSimplexNoise::get_seamless_image(int p_size) const {
Vector<uint8_t> data;
data.resize(p_size * p_size * 4);
data.resize(p_size * p_size);
uint8_t *wd8 = data.ptrw();
@@ -147,15 +143,11 @@ Ref<Image> OpenSimplexNoise::get_seamless_image(int p_size) const {
float v = get_noise_4d(x, y, z, w);
v = v * 0.5 + 0.5; // Normalize [0..1]
uint8_t value = uint8_t(CLAMP(v * 255.0, 0, 255));
wd8[(i * p_size + j) * 4 + 0] = value;
wd8[(i * p_size + j) * 4 + 1] = value;
wd8[(i * p_size + j) * 4 + 2] = value;
wd8[(i * p_size + j) * 4 + 3] = 255;
wd8[(i * p_size + j)] = uint8_t(CLAMP(v * 255.0, 0, 255));
}
}
Ref<Image> image = memnew(Image(p_size, p_size, false, Image::FORMAT_RGBA8, data));
Ref<Image> image = memnew(Image(p_size, p_size, false, Image::FORMAT_L8, data));
return image;
}