< index < 10. Noise generator |
===================================== | > 10.2 Getting Perlin noise |
C : TCOD_noise_t TCOD_noise_new(int dimensions, float hurst, float lacunarity, TCOD_random_t random) Py : noise_new(dimensions, hurst=NOISE_DEFAULT_HURST, lacunarity=NOISE_DEFAULT_LACUNARITY, random=0)
Parameter | Description |
---|---|
dimensions | From 1 to 4. |
hurst | For fractional brownian motion and turbulence, the fractal Hurst exponent. You can use the default value TCOD_NOISE_DEFAULT_HURST = 0.5f. |
lacunarity | For fractional brownian motion and turbulence, the fractal lacunarity. You can use the default value TCOD_NOISE_DEFAULT_LACUNARITY = 2.0f. |
random | A random number generator obtained with the Mersenne twister toolkit or NULL to use the default random number generator. |
C++ : TCODNoise::TCODNoise(int dimensions) TCODNoise::TCODNoise(int dimensions, TCODRandom *random) TCODNoise::TCODNoise(int dimensions, float hurst, float lacunarity) TCODNoise::TCODNoise(int dimensions, float hurst, float lacunarity, TCODRandom *random)
C++ : // 1 dimension generator TCODNoise * noise1d = new TCODNoise(1); // 2D noise with a predefined random number generator TCODRandom *myRandom = new TCODRandom(); TCODNoise *noise2d = new TCODNoise(2,myRandom); // a 3D noise generator with a specific fractal parameters TCODNoise *noise3d = new TCODNoise(3,0.7f,1.4f); C : /* 1 dimension generator */ TCOD_noise_t noise1d = TCOD_noise_new(1,TCOD_NOISE_DEFAULT_HURST, TCOD_NOISE_DEFAULT_LACUNARITY,NULL); /* 2D noise with a predefined random number generator */ TCOD_random_t my_random = TCOD_random_new(); TCOD_noise_t noise2d = TCOD_noise_new(2,TCOD_NOISE_DEFAULT_HURST, TCOD_NOISE_DEFAULT_LACUNARITY,my_random); /* a 3D noise generator with a specific fractal parameters */ TCOD_noise_t noise3d = TCOD_noise_new(3,0.7f, 1.4f,NULL); Py : # 1 dimension generator noise1d = libtcod.noise_new(1) # 2D noise with a predefined random number generator my_random = libtcod.random_new(); noise2d = libtcod.noise_new(2,libtcod.NOISE_DEFAULT_HURST, libtcod.NOISE_DEFAULT_LACUNARITY,my_random) # a 3D noise generator with a specific fractal parameters noise3d = libtcod.noise_new(3, 0.7, 1.4)