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author | Jeff Ames | 2008-03-03 09:29:21 +0000 |
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committer | Jeff Ames | 2008-03-03 09:29:21 +0000 |
commit | d50eb9d2b3f210da32440746451e98b57388c9cd (patch) | |
tree | 01f8a47dccac35f82e59ae78dcd61c9f65e7a16d /OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs | |
parent | Fixed typo. (diff) | |
download | opensim-SC_OLD-d50eb9d2b3f210da32440746451e98b57388c9cd.zip opensim-SC_OLD-d50eb9d2b3f210da32440746451e98b57388c9cd.tar.gz opensim-SC_OLD-d50eb9d2b3f210da32440746451e98b57388c9cd.tar.bz2 opensim-SC_OLD-d50eb9d2b3f210da32440746451e98b57388c9cd.tar.xz |
Updated svn properties.
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs | 258 |
1 files changed, 129 insertions, 129 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs index 076b3cc..dfe3dfc 100644 --- a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs +++ b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/SmoothSphere.cs | |||
@@ -1,130 +1,130 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ | 2 | * Copyright (c) Contributors, http://opensimulator.org/ |
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
4 | * | 4 | * |
5 | * Redistribution and use in source and binary forms, with or without | 5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are met: | 6 | * modification, are permitted provided that the following conditions are met: |
7 | * * Redistributions of source code must retain the above copyright | 7 | * * Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. | 8 | * notice, this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright | 9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the | 10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. | 11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of the OpenSim Project nor the | 12 | * * Neither the name of the OpenSim Project nor the |
13 | * names of its contributors may be used to endorse or promote products | 13 | * names of its contributors may be used to endorse or promote products |
14 | * derived from this software without specific prior written permission. | 14 | * derived from this software without specific prior written permission. |
15 | * | 15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 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 | 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 | 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 | 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. | 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * | 26 | * |
27 | */ | 27 | */ |
28 | using OpenSim.Region.Environment.Interfaces; | 28 | using OpenSim.Region.Environment.Interfaces; |
29 | 29 | ||
30 | namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes | 30 | namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes |
31 | { | 31 | { |
32 | public class SmoothSphere : ITerrainPaintableEffect | 32 | public class SmoothSphere : ITerrainPaintableEffect |
33 | { | 33 | { |
34 | private double SphericalFactor(double x, double y, double rx, double ry, double size) | 34 | private double SphericalFactor(double x, double y, double rx, double ry, double size) |
35 | { | 35 | { |
36 | double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry)); | 36 | double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry)); |
37 | return z; | 37 | return z; |
38 | } | 38 | } |
39 | 39 | ||
40 | private double GetBilinearInterpolate(double x, double y, ITerrainChannel map) | 40 | private double GetBilinearInterpolate(double x, double y, ITerrainChannel map) |
41 | { | 41 | { |
42 | int w = map.Width; | 42 | int w = map.Width; |
43 | int h = map.Height; | 43 | int h = map.Height; |
44 | 44 | ||
45 | if (x > w - 2.0) | 45 | if (x > w - 2.0) |
46 | x = w - 2.0; | 46 | x = w - 2.0; |
47 | if (y > h - 2.0) | 47 | if (y > h - 2.0) |
48 | y = h - 2.0; | 48 | y = h - 2.0; |
49 | if (x < 0.0) | 49 | if (x < 0.0) |
50 | x = 0.0; | 50 | x = 0.0; |
51 | if (y < 0.0) | 51 | if (y < 0.0) |
52 | y = 0.0; | 52 | y = 0.0; |
53 | 53 | ||
54 | int stepSize = 1; | 54 | int stepSize = 1; |
55 | double h00 = map[(int)x, (int)y]; | 55 | double h00 = map[(int)x, (int)y]; |
56 | double h10 = map[(int)x + stepSize, (int)y]; | 56 | double h10 = map[(int)x + stepSize, (int)y]; |
57 | double h01 = map[(int)x, (int)y + stepSize]; | 57 | double h01 = map[(int)x, (int)y + stepSize]; |
58 | double h11 = map[(int)x + stepSize, (int)y + stepSize]; | 58 | double h11 = map[(int)x + stepSize, (int)y + stepSize]; |
59 | double h1 = h00; | 59 | double h1 = h00; |
60 | double h2 = h10; | 60 | double h2 = h10; |
61 | double h3 = h01; | 61 | double h3 = h01; |
62 | double h4 = h11; | 62 | double h4 = h11; |
63 | double a00 = h1; | 63 | double a00 = h1; |
64 | double a10 = h2 - h1; | 64 | double a10 = h2 - h1; |
65 | double a01 = h3 - h1; | 65 | double a01 = h3 - h1; |
66 | double a11 = h1 - h2 - h3 + h4; | 66 | double a11 = h1 - h2 - h3 + h4; |
67 | double partialx = x - (int)x; | 67 | double partialx = x - (int)x; |
68 | double partialz = y - (int)y; | 68 | double partialz = y - (int)y; |
69 | double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz); | 69 | double hi = a00 + (a10 * partialx) + (a01 * partialz) + (a11 * partialx * partialz); |
70 | return hi; | 70 | return hi; |
71 | } | 71 | } |
72 | 72 | ||
73 | #region ITerrainPaintableEffect Members | 73 | #region ITerrainPaintableEffect Members |
74 | 74 | ||
75 | public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength) | 75 | public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength) |
76 | { | 76 | { |
77 | int x, y; | 77 | int x, y; |
78 | double[,] tweak = new double[map.Width, map.Height]; | 78 | double[,] tweak = new double[map.Width, map.Height]; |
79 | 79 | ||
80 | double n, l; | 80 | double n, l; |
81 | double area = strength; | 81 | double area = strength; |
82 | double step = strength / 4.0; | 82 | double step = strength / 4.0; |
83 | 83 | ||
84 | // compute delta map | 84 | // compute delta map |
85 | for (x = 0; x < map.Width; x++) | 85 | for (x = 0; x < map.Width; x++) |
86 | { | 86 | { |
87 | for (y = 0; y < map.Height; y++) | 87 | for (y = 0; y < map.Height; y++) |
88 | { | 88 | { |
89 | double z = SphericalFactor(x, y, rx, ry, strength); | 89 | double z = SphericalFactor(x, y, rx, ry, strength); |
90 | 90 | ||
91 | if (z > 0) // add in non-zero amount | 91 | if (z > 0) // add in non-zero amount |
92 | { | 92 | { |
93 | double average = 0.0; | 93 | double average = 0.0; |
94 | int avgsteps = 0; | 94 | int avgsteps = 0; |
95 | 95 | ||
96 | for (n = 0.0 - area; n < area; n += step) | 96 | for (n = 0.0 - area; n < area; n += step) |
97 | { | 97 | { |
98 | for (l = 0.0 - area; l < area; l += step) | 98 | for (l = 0.0 - area; l < area; l += step) |
99 | { | 99 | { |
100 | avgsteps++; | 100 | avgsteps++; |
101 | average += GetBilinearInterpolate(x + n, y + l, map); | 101 | average += GetBilinearInterpolate(x + n, y + l, map); |
102 | } | 102 | } |
103 | } | 103 | } |
104 | tweak[x, y] = average / avgsteps; | 104 | tweak[x, y] = average / avgsteps; |
105 | } | 105 | } |
106 | } | 106 | } |
107 | } | 107 | } |
108 | // blend in map | 108 | // blend in map |
109 | for (x = 0; x < map.Width; x++) | 109 | for (x = 0; x < map.Width; x++) |
110 | { | 110 | { |
111 | for (y = 0; y < map.Height; y++) | 111 | for (y = 0; y < map.Height; y++) |
112 | { | 112 | { |
113 | double z = SphericalFactor(x, y, rx, ry, strength); | 113 | double z = SphericalFactor(x, y, rx, ry, strength); |
114 | 114 | ||
115 | if (z > 0) // add in non-zero amount | 115 | if (z > 0) // add in non-zero amount |
116 | { | 116 | { |
117 | double da = z; | 117 | double da = z; |
118 | double a = (map[x, y] - tweak[x, y]) * da; | 118 | double a = (map[x, y] - tweak[x, y]) * da; |
119 | double newz = map[x, y] - a; | 119 | double newz = map[x, y] - a; |
120 | 120 | ||
121 | if (newz > 0.0) | 121 | if (newz > 0.0) |
122 | map[x, y] = newz; | 122 | map[x, y] = newz; |
123 | } | 123 | } |
124 | } | 124 | } |
125 | } | 125 | } |
126 | } | 126 | } |
127 | 127 | ||
128 | #endregion | 128 | #endregion |
129 | } | 129 | } |
130 | } \ No newline at end of file | 130 | } \ No newline at end of file |