Beispiel #1
0
        public SimplexNoise(int seed)
        {
            _seed = seed;
            hash  = new XXHash(seed);
            int i, j, k;

            for (i = 0; i < 256; i++)
            {
                perm[i] = i;
            }

            while (--i != 0)
            {
                k       = perm[i];
                j       = hash.Range(0, 256, i);
                perm[i] = perm[j];
                perm[j] = k;
            }

            for (i = 0; i < 256; i++)
            {
                perm[256 + i] = perm[i];
            }
        }
        public QualitativeNoise(int seed)
        {
            _seed = seed;
            hash  = new XXHash(seed);
            int i, j, k;

            for (i = 0; i < B; i++)
            {
                m_perm[i] = i;
            }

            while (--i != 0)
            {
                k         = m_perm[i];
                j         = hash.Range(0, B, i);
                m_perm[i] = m_perm[j];
                m_perm[j] = k;
            }

            for (i = 0; i < B; i++)
            {
                m_perm[B + i] = m_perm[i];
            }
        }