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-rw-r--r--OpenSim/Region/Physics/Meshing/PrimMesher.cs6
1 files changed, 6 insertions, 0 deletions
diff --git a/OpenSim/Region/Physics/Meshing/PrimMesher.cs b/OpenSim/Region/Physics/Meshing/PrimMesher.cs
index 1e4efcb..53cc443 100644
--- a/OpenSim/Region/Physics/Meshing/PrimMesher.cs
+++ b/OpenSim/Region/Physics/Meshing/PrimMesher.cs
@@ -105,6 +105,12 @@ namespace OpenSim.Region.Physics.Meshing
105 { 105 {
106 angles = new List<Angle>(); 106 angles = new List<Angle>();
107 double twoPi = System.Math.PI * 2.0; 107 double twoPi = System.Math.PI * 2.0;
108
109 if (sides < 1)
110 throw new Exception("number of sides not greater than zero");
111 if (stopAngle <= startAngle)
112 throw new Exception("stopAngle not greater than startAngle");
113
108 double stepSize = twoPi / sides; 114 double stepSize = twoPi / sides;
109 115
110 int startStep = (int) (startAngle / stepSize); 116 int startStep = (int) (startAngle / stepSize);