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| author | Dave Parks <davep@lindenlab.com> | 2024-05-07 09:47:37 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-05-07 09:47:37 -0500 |
| commit | 155ddf23363f1d5c534c69f50505faf67e51948f (patch) | |
| tree | 976912ed4fa3bc2af7b0b68201460f08614748b5 /indra/llmath/llsphere.cpp | |
| parent | f79548ec68ebcef8f8f83705b65fd59da43c3e26 (diff) | |
| parent | f9473e8afcb624cc1b101195bf15943ec372b56f (diff) | |
Merge pull request #1421 from secondlife/DRTVWR-600-maint-A
Drtvwr 600 maint a
Diffstat (limited to 'indra/llmath/llsphere.cpp')
| -rw-r--r-- | indra/llmath/llsphere.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/indra/llmath/llsphere.cpp b/indra/llmath/llsphere.cpp index 7292e3c0de..3f04ca704c 100644 --- a/indra/llmath/llsphere.cpp +++ b/indra/llmath/llsphere.cpp @@ -73,14 +73,14 @@ F32 LLSphere::getRadius() const bool LLSphere::contains(const LLSphere& other_sphere) const { F32 separation = (mCenter - other_sphere.mCenter).length(); - return (mRadius >= separation + other_sphere.mRadius) ? true : false; + return mRadius >= separation + other_sphere.mRadius; } // returns 'true' if this sphere completely contains other_sphere bool LLSphere::overlaps(const LLSphere& other_sphere) const { F32 separation = (mCenter - other_sphere.mCenter).length(); - return (separation <= mRadius + other_sphere.mRadius) ? true : false; + return mRadius >= separation - other_sphere.mRadius; } // returns overlap @@ -93,9 +93,8 @@ F32 LLSphere::getOverlap(const LLSphere& other_sphere) const bool LLSphere::operator==(const LLSphere& rhs) const { - // TODO? -- use approximate equality for centers? - return (mRadius == rhs.mRadius - && mCenter == rhs.mCenter); + return fabs(mRadius - rhs.mRadius) <= FLT_EPSILON && + (mCenter - rhs.mCenter).length() <= FLT_EPSILON; } std::ostream& operator<<( std::ostream& output_stream, const LLSphere& sphere) |