diff options
Diffstat (limited to 'modules/opensimplex/open_simplex_noise.h')
| -rw-r--r-- | modules/opensimplex/open_simplex_noise.h | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/modules/opensimplex/open_simplex_noise.h b/modules/opensimplex/open_simplex_noise.h index 835f8ed35e..847c157409 100644 --- a/modules/opensimplex/open_simplex_noise.h +++ b/modules/opensimplex/open_simplex_noise.h @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -37,22 +37,22 @@ #include "thirdparty/misc/open-simplex-noise.h" -// The maximum number of octaves allowed. Note that these are statically allocated. -// Higher values become exponentially slower, so this shouldn't be set too high -// to avoid freezing the editor for long periods of time. -#define MAX_OCTAVES 9 - class OpenSimplexNoise : public Resource { GDCLASS(OpenSimplexNoise, Resource); OBJ_SAVE_TYPE(OpenSimplexNoise); + // The maximum number of octaves allowed. Note that these are statically allocated. + // Higher values become exponentially slower, so this shouldn't be set too high + // to avoid freezing the editor for long periods of time. + static const int MAX_OCTAVES = 9; + osn_context contexts[MAX_OCTAVES]; - int seed; - float persistence; // Controls details, value in [0,1]. Higher increases grain, lower increases smoothness. - int octaves; // Number of noise layers - float period; // Distance above which we start to see similarities. The higher, the longer "hills" will be on a terrain. - float lacunarity; // Controls period change across octaves. 2 is usually a good value to address all detail levels. + int seed = 0; + float persistence = 0.5; // Controls details, value in [0,1]. Higher increases grain, lower increases smoothness. + int octaves = 3; // Number of noise layers + float period = 64.0; // Distance above which we start to see similarities. The higher, the longer "hills" will be on a terrain. + float lacunarity = 2.0; // Controls period change across octaves. 2 is usually a good value to address all detail levels. public: OpenSimplexNoise(); @@ -61,7 +61,7 @@ public: void _init_seeds(); void set_seed(int seed); - int get_seed(); + int get_seed() const; void set_octaves(int p_octaves); int get_octaves() const { return octaves; } @@ -75,22 +75,22 @@ public: void set_lacunarity(float p_lacunarity); float get_lacunarity() const { return lacunarity; } - Ref<Image> get_image(int p_width, int p_height); - Ref<Image> get_seamless_image(int p_size); + Ref<Image> get_image(int p_width, int p_height) const; + Ref<Image> get_seamless_image(int p_size) const; - float get_noise_1d(float x); - float get_noise_2d(float x, float y); - float get_noise_3d(float x, float y, float z); - float get_noise_4d(float x, float y, float z, float w); + float get_noise_1d(float x) const; + float get_noise_2d(float x, float y) const; + float get_noise_3d(float x, float y, float z) const; + float get_noise_4d(float x, float y, float z, float w) const; - _FORCE_INLINE_ float _get_octave_noise_2d(int octave, float x, float y) { return open_simplex_noise2(&(contexts[octave]), x, y); } - _FORCE_INLINE_ float _get_octave_noise_3d(int octave, float x, float y, float z) { return open_simplex_noise3(&(contexts[octave]), x, y, z); } - _FORCE_INLINE_ float _get_octave_noise_4d(int octave, float x, float y, float z, float w) { return open_simplex_noise4(&(contexts[octave]), x, y, z, w); } + _FORCE_INLINE_ float _get_octave_noise_2d(int octave, float x, float y) const { return open_simplex_noise2(&(contexts[octave]), x, y); } + _FORCE_INLINE_ float _get_octave_noise_3d(int octave, float x, float y, float z) const { return open_simplex_noise3(&(contexts[octave]), x, y, z); } + _FORCE_INLINE_ float _get_octave_noise_4d(int octave, float x, float y, float z, float w) const { return open_simplex_noise4(&(contexts[octave]), x, y, z, w); } // Convenience - _FORCE_INLINE_ float get_noise_2dv(Vector2 v) { return get_noise_2d(v.x, v.y); } - _FORCE_INLINE_ float get_noise_3dv(Vector3 v) { return get_noise_3d(v.x, v.y, v.z); } + _FORCE_INLINE_ float get_noise_2dv(const Vector2 &v) const { return get_noise_2d(v.x, v.y); } + _FORCE_INLINE_ float get_noise_3dv(const Vector3 &v) const { return get_noise_3d(v.x, v.y, v.z); } protected: static void _bind_methods(); |