OpenSim-Test/OpenSim/Region/Environment/Modules/World/Terrain/FloodBrushes/NoiseArea.cs

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using OpenSim.Framework;
using OpenSim.Region.Environment.Interfaces;

namespace OpenSim.Region.Environment.Modules.World.Terrain.FloodBrushes
{
    public class NoiseArea : ITerrainFloodEffect
    {
        #region ITerrainFloodEffect Members

        public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
        {
            int x;
            for (x = 0; x < map.Width; x++)
            {
                int y;
                for (y = 0; y < map.Height; y++)
                {
                    if (fillArea[x, y])
                    {
                        double noise = TerrainUtil.PerlinNoise2D((double) x / Constants.RegionSize, (double) y / Constants.RegionSize, 8, 1.0);

                        map[x, y] += noise * strength;
                    }
                }
            }
        }

        #endregion
    }
}