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Merging r6364 through r6379 from trunk to ogl-es branch

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6380 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2022-05-04 21:38:12 +00:00
parent 993f990036
commit 67a488fc5c
227 changed files with 19006 additions and 5574 deletions
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30
include/vector3d.h
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@@ -195,6 +195,36 @@ namespace core
return (*this *= newlength);
}
#if defined(_IRR_COMPILE_WITH_90_DEGREE_CAMERA)
vector3d<T>& normalize_camera_direction(const vector3d<T>& def)
{
f64 l = (f64)X * X + (f64)Y * Y + (f64)Z * Z;
if (::fabs(l) < 0.000000001)
{
X = def.X;
Y = def.Y;
Z = def.Z;
}
else
{
l = 1.0 / ::sqrt(l);
f64 v;
v = X * l; X = ::fabs(v) < 0.00000001 ? (T)0 : (T)v;
v = Y * l; Y = ::fabs(v) < 0.00000001 ? (T)0 : (T)v;
v = Z * l; Z = ::fabs(v) < 0.00000001 ? (T)0 : (T)v;
}
return *this;
}
#define normalize_x() normalize_camera_direction(core::vector3df(1.f, 0.f, 0.f))
#define normalize_z() normalize_camera_direction(core::vector3df(0.f, 0.f, 1.f))
#define normalize_y(v) core::vector3df(v).normalize_camera_direction(core::vector3df(0.f, 1.f, 0.f))
#else
#define normalize_x() normalize()
#define normalize_z() normalize()
#define normalize_y(v) v
#endif
//! Inverts the vector.
vector3d<T>& invert()
{