diff options
| author | ruslantproductengine <ruslantproductengine@lindenlab.com> | 2014-08-18 15:12:16 +0300 |
|---|---|---|
| committer | ruslantproductengine <ruslantproductengine@lindenlab.com> | 2014-08-18 15:12:16 +0300 |
| commit | a4fc0b26b07e739348555ef936257bc25352279b (patch) | |
| tree | eaefe0181c894829b7fb217d666716c8a652d8df /indra/llmath | |
| parent | d47efdfe03095d2b33fe8a1e6c3adccd25dfdc8b (diff) | |
MAINT-3511 FIXED When one surface of mesh object is set transparent all object is invisible : compare rotation quaternions with predefined epsilon
Diffstat (limited to 'indra/llmath')
| -rwxr-xr-x | indra/llmath/llquaternion.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/indra/llmath/llquaternion.h b/indra/llmath/llquaternion.h index e56929ed0f..aa0b1752f4 100755 --- a/indra/llmath/llquaternion.h +++ b/indra/llmath/llquaternion.h @@ -71,6 +71,9 @@ public: void quantize8(F32 lower, F32 upper); // changes the vector to reflect quatization void loadIdentity(); // Loads the quaternion that represents the identity rotation + bool isEqualEps(const LLQuaternion &quat, F32 epsilon) const; + bool isNotEqualEps(const LLQuaternion &quat, F32 epsilon) const; + const LLQuaternion& set(F32 x, F32 y, F32 z, F32 w); // Sets Quaternion to normalize(x, y, z, w) const LLQuaternion& set(const LLQuaternion &quat); // Copies Quaternion const LLQuaternion& set(const F32 *q); // Sets Quaternion to normalize(quat[VX], quat[VY], quat[VZ], quat[VW]) @@ -239,6 +242,21 @@ inline void LLQuaternion::loadIdentity() mQ[VW] = 1.0f; } +inline bool LLQuaternion::isEqualEps(const LLQuaternion &quat, F32 epsilon) const +{ + return ( fabs(mQ[VX] - quat.mQ[VX]) < epsilon + && fabs(mQ[VY] - quat.mQ[VY]) < epsilon + && fabs(mQ[VZ] - quat.mQ[VZ]) < epsilon + && fabs(mQ[VS] - quat.mQ[VS]) < epsilon ); +} + +inline bool LLQuaternion::isNotEqualEps(const LLQuaternion &quat, F32 epsilon) const +{ + return ( fabs(mQ[VX] - quat.mQ[VX]) > epsilon + || fabs(mQ[VY] - quat.mQ[VY]) > epsilon + || fabs(mQ[VZ] - quat.mQ[VZ]) > epsilon + || fabs(mQ[VS] - quat.mQ[VS]) > epsilon ); +} inline const LLQuaternion& LLQuaternion::set(F32 x, F32 y, F32 z, F32 w) { |