opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using OpenSim.Region.Framework.Interfaces; |
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30 | |||
31 | namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes |
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32 | { |
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33 | public class LowerSphere : ITerrainPaintableEffect |
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34 | { |
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35 | #region ITerrainPaintableEffect Members |
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36 | |||
37 | public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration) |
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38 | { |
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39 | int s = (int) (Math.Pow(2, strength) + 0.5); |
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40 | |||
41 | int x; |
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42 | int xFrom = (int)(rx-s+0.5); |
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43 | int xTo = (int)(rx+s+0.5) + 1; |
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44 | int yFrom = (int)(ry-s+0.5); |
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45 | int yTo = (int)(ry+s+0.5) + 1; |
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46 | |||
47 | if (xFrom < 0) |
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48 | xFrom = 0; |
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49 | |||
50 | if (yFrom < 0) |
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51 | yFrom = 0; |
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52 | |||
53 | if (xTo > map.Width) |
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54 | xTo = map.Width; |
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55 | |||
56 | if (yTo > map.Width) |
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57 | yTo = map.Width; |
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58 | |||
59 | for (x = xFrom; x < xTo; x++) |
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60 | { |
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61 | int y; |
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62 | for (y = yFrom; y < yTo; y++) |
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63 | { |
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64 | if (!mask[x,y]) |
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65 | continue; |
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66 | |||
67 | // Calculate a cos-sphere and add it to the heighmap |
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68 | double r = Math.Sqrt((x-rx) * (x-rx) + ((y-ry) * (y-ry))); |
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69 | double z = Math.Cos(r * Math.PI / (s * 2)); |
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70 | if (z > 0.0) |
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71 | { |
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72 | double newz = map[x, y] - z * duration; |
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73 | if (newz < 0.0) |
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74 | map[x, y] = 0.0; |
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75 | else |
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76 | map[x, y] = newz; |
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77 | } |
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78 | } |
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79 | } |
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80 | |||
81 | } |
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82 | #endregion |
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83 | } |
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84 | } |