Esempio n. 1
0
    def __init__(self, seed):
        rand = FastRandom(seed)

        self.perm = [None] * 512
        noise_tbl = [None] * 256

        self.PERSISTENCE = 2.1379201
        self.H = 0.836281
        self.OCTAVES = 9
        self.weights = [None] * self.OCTAVES
        self.regen_weight = True

        for i in range(0, 256):
            noise_tbl[i] = i

        for i in range(0, 256):
            j = rand.randint() % 256
            j = fast_abs(j)

            noise_tbl[i], noise_tbl[j] = noise_tbl[j], noise_tbl[i]

        for i in range(0, 256):
            self.perm[i] = self.perm[i + 256] = noise_tbl[i]
Esempio n. 2
0
 def rive_terrain(self, x, z):
     return self._clamp((sqrt(fast_abs(self.river_gen.fBm(0.0008 * x, 0, 0.0008 * z))) - 0.1) * 7.0)