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-rw-r--r--OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs67
1 files changed, 67 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs b/OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
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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
28using System;
29using OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
32{
33 public class LowerSphere : ITerrainPaintableEffect
34 {
35 #region ITerrainPaintableEffect Members
36
37 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
38 {
39 strength = TerrainUtil.MetersToSphericalStrength(strength);
40
41 int x, y;
42 for (x = 0; x < map.Width; x++)
43 {
44 // Skip everything unlikely to be affected
45 if (Math.Abs(x - rx) > strength * 1.1)
46 continue;
47
48 for (y = 0; y < map.Height; y++)
49 {
50 // Skip everything unlikely to be affected
51 if (Math.Abs(y - ry) > strength * 1.1)
52 continue;
53
54 // Calculate a sphere and add it to the heighmap
55 double z = strength;
56 z *= z;
57 z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
58
59 if (z > 0.0)
60 map[x, y] -= z * duration;
61 }
62 }
63 }
64
65 #endregion
66 }
67} \ No newline at end of file