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< 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=TCOD_NOISE_DEFAULT_HURST, lacunarity=TCOD_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)