diff options
Diffstat (limited to 'OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs')
| -rw-r--r-- | OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs new file mode 100644 index 0000000..226bd3e --- /dev/null +++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/NoiseSphere.cs | |||
| @@ -0,0 +1,73 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
| 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions are met: | ||
| 7 | * * Redistributions of source code must retain the above copyright | ||
| 8 | * notice, this list of conditions and the following disclaimer. | ||
| 9 | * * Redistributions in binary form must reproduce the above copyright | ||
| 10 | * notice, this list of conditions and the following disclaimer in the | ||
| 11 | * documentation and/or other materials provided with the distribution. | ||
| 12 | * * Neither the name of the OpenSim Project nor the | ||
| 13 | * names of its contributors may be used to endorse or promote products | ||
| 14 | * derived from this software without specific prior written permission. | ||
| 15 | * | ||
| 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | ||
| 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
| 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
| 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
| 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
| 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 26 | * | ||
| 27 | */ | ||
| 28 | using System; | ||
| 29 | using OpenSim.Framework; | ||
| 30 | using OpenSim.Region.Environment.Interfaces; | ||
| 31 | |||
| 32 | namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes | ||
| 33 | { | ||
| 34 | public class NoiseSphere : ITerrainPaintableEffect | ||
| 35 | { | ||
| 36 | #region ITerrainPaintableEffect Members | ||
| 37 | |||
| 38 | public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength) | ||
| 39 | { | ||
| 40 | int x, y; | ||
| 41 | for (x = 0; x < map.Width; x++) | ||
| 42 | { | ||
| 43 | // Skip everything unlikely to be affected | ||
| 44 | if (Math.Abs(x - rx) > strength * 1.1) | ||
| 45 | continue; | ||
| 46 | |||
| 47 | for (y = 0; y < map.Height; y++) | ||
| 48 | { | ||
| 49 | // Skip everything unlikely to be affected | ||
| 50 | if (Math.Abs(y - ry) > strength * 1.1) | ||
| 51 | continue; | ||
| 52 | |||
| 53 | // Calculate a sphere and add it to the heighmap | ||
| 54 | double z = strength; | ||
| 55 | z *= z; | ||
| 56 | z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry)); | ||
| 57 | |||
| 58 | double noise; | ||
| 59 | |||
| 60 | lock (Util.RandomClass) | ||
| 61 | { | ||
| 62 | noise = Util.RandomClass.NextDouble(); | ||
| 63 | } | ||
| 64 | |||
| 65 | if (z > 0.0) | ||
| 66 | map[x, y] += (noise - 0.5) * z; | ||
| 67 | } | ||
| 68 | } | ||
| 69 | } | ||
| 70 | |||
| 71 | #endregion | ||
| 72 | } | ||
| 73 | } | ||