diff options
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Physics/Meshing/Extruder.cs | 166 |
1 files changed, 83 insertions, 83 deletions
diff --git a/OpenSim/Region/Physics/Meshing/Extruder.cs b/OpenSim/Region/Physics/Meshing/Extruder.cs index 63d727f..c8fd91b 100644 --- a/OpenSim/Region/Physics/Meshing/Extruder.cs +++ b/OpenSim/Region/Physics/Meshing/Extruder.cs | |||
@@ -1,83 +1,83 @@ | |||
1 | using System; | 1 | using System; |
2 | using System.Collections.Generic; | 2 | using System.Collections.Generic; |
3 | using System.Text; | 3 | using System.Text; |
4 | 4 | ||
5 | namespace OpenSim.Region.Physics.Meshing | 5 | namespace OpenSim.Region.Physics.Meshing |
6 | { | 6 | { |
7 | class Extruder | 7 | class Extruder |
8 | { | 8 | { |
9 | public float startParameter; | 9 | public float startParameter; |
10 | public float stopParameter; | 10 | public float stopParameter; |
11 | public Manager.PhysicsVector size; | 11 | public Manager.PhysicsVector size; |
12 | 12 | ||
13 | public Mesh Extrude(Mesh m) | 13 | public Mesh Extrude(Mesh m) |
14 | { | 14 | { |
15 | // Currently only works for iSteps=1; | 15 | // Currently only works for iSteps=1; |
16 | Mesh result = new Mesh(); | 16 | Mesh result = new Mesh(); |
17 | 17 | ||
18 | Mesh workingPlus = m.Clone(); | 18 | Mesh workingPlus = m.Clone(); |
19 | Mesh workingMinus = m.Clone(); | 19 | Mesh workingMinus = m.Clone(); |
20 | 20 | ||
21 | foreach (Vertex v in workingPlus.vertices) | 21 | foreach (Vertex v in workingPlus.vertices) |
22 | { | 22 | { |
23 | if (v == null) | 23 | if (v == null) |
24 | continue; | 24 | continue; |
25 | 25 | ||
26 | v.Z = +.5f; | 26 | v.Z = +.5f; |
27 | v.X *= size.X; | 27 | v.X *= size.X; |
28 | v.Y *= size.Y; | 28 | v.Y *= size.Y; |
29 | v.Z *= size.Z; | 29 | v.Z *= size.Z; |
30 | } | 30 | } |
31 | 31 | ||
32 | foreach (Vertex v in workingMinus.vertices) | 32 | foreach (Vertex v in workingMinus.vertices) |
33 | { | 33 | { |
34 | if (v == null) | 34 | if (v == null) |
35 | continue; | 35 | continue; |
36 | 36 | ||
37 | v.Z = -.5f; | 37 | v.Z = -.5f; |
38 | v.X *= size.X; | 38 | v.X *= size.X; |
39 | v.Y *= size.Y; | 39 | v.Y *= size.Y; |
40 | v.Z *= size.Z; | 40 | v.Z *= size.Z; |
41 | } | 41 | } |
42 | 42 | ||
43 | foreach (Triangle t in workingMinus.triangles) | 43 | foreach (Triangle t in workingMinus.triangles) |
44 | { | 44 | { |
45 | t.invertNormal(); | 45 | t.invertNormal(); |
46 | } | 46 | } |
47 | 47 | ||
48 | result.Append(workingMinus); | 48 | result.Append(workingMinus); |
49 | result.Append(workingPlus); | 49 | result.Append(workingPlus); |
50 | 50 | ||
51 | int iLastNull = 0; | 51 | int iLastNull = 0; |
52 | for (int i = 0; i < workingPlus.vertices.Count; i++) | 52 | for (int i = 0; i < workingPlus.vertices.Count; i++) |
53 | { | 53 | { |
54 | int iNext = (i + 1); | 54 | int iNext = (i + 1); |
55 | 55 | ||
56 | if (workingPlus.vertices[i] == null) // Can't make a simplex here | 56 | if (workingPlus.vertices[i] == null) // Can't make a simplex here |
57 | { | 57 | { |
58 | iLastNull = i+1; | 58 | iLastNull = i+1; |
59 | continue; | 59 | continue; |
60 | } | 60 | } |
61 | 61 | ||
62 | if (i == workingPlus.vertices.Count-1) // End of list | 62 | if (i == workingPlus.vertices.Count-1) // End of list |
63 | { | 63 | { |
64 | iNext = iLastNull; | 64 | iNext = iLastNull; |
65 | } | 65 | } |
66 | 66 | ||
67 | if (workingPlus.vertices[iNext] == null) // Null means wrap to begin of last segment | 67 | if (workingPlus.vertices[iNext] == null) // Null means wrap to begin of last segment |
68 | { | 68 | { |
69 | iNext = iLastNull; | 69 | iNext = iLastNull; |
70 | } | 70 | } |
71 | 71 | ||
72 | Triangle tSide; | 72 | Triangle tSide; |
73 | tSide = new Triangle(workingPlus.vertices[i], workingMinus.vertices[i], workingPlus.vertices[iNext]); | 73 | tSide = new Triangle(workingPlus.vertices[i], workingMinus.vertices[i], workingPlus.vertices[iNext]); |
74 | result.Add(tSide); | 74 | result.Add(tSide); |
75 | 75 | ||
76 | tSide = new Triangle(workingPlus.vertices[iNext], workingMinus.vertices[i], workingMinus.vertices[iNext]); | 76 | tSide = new Triangle(workingPlus.vertices[iNext], workingMinus.vertices[i], workingMinus.vertices[iNext]); |
77 | result.Add(tSide); | 77 | result.Add(tSide); |
78 | } | 78 | } |
79 | 79 | ||
80 | return result; | 80 | return result; |
81 | } | 81 | } |
82 | } | 82 | } |
83 | } | 83 | } |