- for(s16 zi=-cloud_radius_i; zi<cloud_radius_i; zi++)
- for(s16 xi=-cloud_radius_i; xi<cloud_radius_i; xi++)
- {
- u32 i = (zi+cloud_radius_i)*cloud_radius_i*2 + xi+cloud_radius_i;
-
- v2s16 p_in_noise_i(
- xi+center_of_drawing_in_noise_i.X,
- zi+center_of_drawing_in_noise_i.Y
- );
-
-#if 0
- double noise = noise2d_perlin_abs(
- (float)p_in_noise_i.X*cloud_size/BS/200,
- (float)p_in_noise_i.Y*cloud_size/BS/200,
- m_seed, 3, 0.4);
- grid[i] = (noise >= 0.80);
-#endif
-#if 1
- double noise = noise2d_perlin(
- (float)p_in_noise_i.X*cloud_size/BS/200,
- (float)p_in_noise_i.Y*cloud_size/BS/200,
- m_seed, 3, 0.5);
- grid[i] = (noise >= 0.4);
-#endif
+ float cloud_size_noise = cloud_size / BS / 200;
+
+ for(s16 zi = -cloud_radius_i; zi < cloud_radius_i; zi++) {
+ u32 si = (zi + cloud_radius_i) * cloud_radius_i * 2 + cloud_radius_i;
+
+ for(s16 xi = -cloud_radius_i; xi < cloud_radius_i; xi++) {
+ u32 i = si + xi;
+
+ v2s16 p_in_noise_i(
+ xi + center_of_drawing_in_noise_i.X,
+ zi + center_of_drawing_in_noise_i.Y
+ );
+
+ double noise = noise2d_perlin(
+ (float)p_in_noise_i.X * cloud_size_noise,
+ (float)p_in_noise_i.Y * cloud_size_noise,
+ m_seed, 3, 0.5);
+ grid[i] = (noise >= 0.4);
+ }