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fix llRot2Axis(ZERO_ROTATION) and non normalized inputs, same for llRot2Angle()

BulletSim2017
UbitUmarov 2017-08-16 23:44:34 +01:00
parent 78c78f69b1
commit 218160494e
1 changed files with 9 additions and 14 deletions
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15
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
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@ -5527,21 +5527,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
{
m_host.AddScriptLPS(1);
if (Math.Abs(rot.s) > 1) // normalization needed
rot.Normalize();
double s = Math.Sqrt(1 - rot.s * rot.s);
if (s < 0.001)
{
return new LSL_Vector(1, 0, 0);
}
else
{
if (s < 1e-8)
return new LSL_Vector(0, 0, 0);
double invS = 1.0 / s;
if (rot.s < 0) invS = -invS;
if (rot.s < 0)
invS = -invS;
return new LSL_Vector(rot.x * invS, rot.y * invS, rot.z * invS);
}
}
// Returns the angle of a quaternion (see llRot2Axis for the axis)
@ -5549,7 +5545,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
{
m_host.AddScriptLPS(1);
if (Math.Abs(rot.s) > 1) // normalization needed
rot.Normalize();
double angle = 2 * Math.Acos(rot.s);