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Mantis #2217

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Guard against NaN being returned from llRotBetween. Return a zero rotation
if the result is NaN.
This commit is contained in:
Melanie Thielker
2008-09-19 17:00:17 +00:00
parent 092ad53dc7
commit 592f98c4aa
2 changed files with 18 additions and 2 deletions
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10
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
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@@ -581,7 +581,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
LSL_Types.Vector3 axis = LSL_Types.Vector3.Norm(crossProduct);
double s = Math.Sin(angle / 2);
return new LSL_Types.Quaternion(axis.x * s, axis.y * s, axis.z * s, (float)Math.Cos(angle / 2));
double x = axis.x * s;
double y = axis.y * s;
double z = axis.z * s;
double w = Math.Cos(angle / 2);
if(Double.IsNaN(x) || Double.IsNaN(y) || Double.IsNaN(z) || Double.IsNaN(w))
return new LSL_Types.Quaternion(0.0f, 0.0f, 0.0f, 1.0f);
return new LSL_Types.Quaternion((float)x, (float)y, (float)z, (float)w);
}
public void llWhisper(int channelID, string text)