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save a few ns

httptests
UbitUmarov 2018-04-19 19:21:08 +01:00
parent ad0b736405
commit 037e5d8031
1 changed files with 6 additions and 4 deletions
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10
OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
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@ -392,8 +392,8 @@ namespace OpenSim.Region.ScriptEngine.Shared
#region Methods #region Methods
public Quaternion Normalize() public Quaternion Normalize()
{ {
double length = Math.Sqrt(x * x + y * y + z * z + s * s); double lengthsq = x * x + y * y + z * z + s * s;
if (length < float.Epsilon) if (lengthsq < float.Epsilon)
{ {
x = 0; x = 0;
y = 0; y = 0;
@ -403,7 +403,7 @@ namespace OpenSim.Region.ScriptEngine.Shared
else else
{ {
double invLength = 1.0 / length; double invLength = 1.0 / Math.Sqrt(lengthsq);
x *= invLength; x *= invLength;
y *= invLength; y *= invLength;
z *= invLength; z *= invLength;
@ -474,7 +474,8 @@ namespace OpenSim.Region.ScriptEngine.Shared
{ {
// LSL quaternions can normalize to 0, normal Quaternions can't. // LSL quaternions can normalize to 0, normal Quaternions can't.
if (rot.s == 0 && rot.x == 0 && rot.y == 0 && rot.z == 0) if (rot.s == 0 && rot.x == 0 && rot.y == 0 && rot.z == 0)
rot.z = 1; // ZERO_ROTATION = 0,0,0,1 return OMV_Quaternion.Identity; // ZERO_ROTATION = 0,0,0,1
OMV_Quaternion omvrot = new OMV_Quaternion((float)rot.x, (float)rot.y, (float)rot.z, (float)rot.s); OMV_Quaternion omvrot = new OMV_Quaternion((float)rot.x, (float)rot.y, (float)rot.z, (float)rot.s);
omvrot.Normalize(); omvrot.Normalize();
return omvrot; return omvrot;
@ -510,6 +511,7 @@ namespace OpenSim.Region.ScriptEngine.Shared
public static Quaternion operator /(Quaternion a, Quaternion b) public static Quaternion operator /(Quaternion a, Quaternion b)
{ {
// assuming normalized
b.s = -b.s; b.s = -b.s;
return a * b; return a * b;
} }