C++ (Cpp) FTransform::GetDeterminant示例

示例#1

文件： ConstraintInstance.cpp 项目： Foreven/Unreal4-1

FTransform FConstraintInstance::GetRefFrame(EConstraintFrame::Type Frame) const
{
	FTransform Result;

	if(Frame == EConstraintFrame::Frame1)
	{
		Result = FTransform(PriAxis1, SecAxis1, PriAxis1 ^ SecAxis1, Pos1);
	}
	else
	{
		Result = FTransform(PriAxis2, SecAxis2, PriAxis2 ^ SecAxis2, Pos2);
	}

	float Error = FMath::Abs( Result.GetDeterminant() - 1.0f );
	if(Error > 0.01f)
	{
		UE_LOG(LogPhysics, Warning,  TEXT("FConstraintInstance::GetRefFrame : Contained scale."));
	}

	return Result;
}