diff options
Diffstat (limited to 'modules/opensimplex/open_simplex_noise.cpp')
| -rw-r--r-- | modules/opensimplex/open_simplex_noise.cpp | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/modules/opensimplex/open_simplex_noise.cpp b/modules/opensimplex/open_simplex_noise.cpp index 403340e39c..e4e2e0613a 100644 --- a/modules/opensimplex/open_simplex_noise.cpp +++ b/modules/opensimplex/open_simplex_noise.cpp @@ -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; } |