TakeV/dxx-rebirth
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Inline fix_sincos in vm_extract_angles_matrix

Browse source
This commit is contained in:
Kp 2015-06-02 03:03:32 +00:00
parent 0141e9ed78
commit 0f6a82963a
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
common/maths/vecmat.cpp
View file

@ -537,14 +537,16 @@ void vm_matrix_x_matrix(vms_matrix &dest,const vms_matrix &src0,const vms_matrix
//extract angles from a matrix
void vm_extract_angles_matrix(vms_angvec &a,const vms_matrix &m)
{
fix sinh,cosh,cosp;
fix cosp;
if (m.fvec.x==0 && m.fvec.z==0) //zero head
a.h = 0;
else
a.h = fix_atan2(m.fvec.z,m.fvec.x);
fix_sincos(a.h,&sinh,&cosh);
const auto &&ah = fix_sincos(a.h);
const auto &sinh = ah.sin;
const auto &cosh = ah.cos;
if (abs(sinh) > abs(cosh)) //sine is larger, so use it
cosp = fixdiv(m.fvec.x,sinh);