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authorChris Robinson <[email protected]>2019-09-20 13:35:29 -0700
committerChris Robinson <[email protected]>2019-09-20 13:35:29 -0700
commit65eb0987e2f08655575f4d835e178b483901a053 (patch)
treee162dec1df7757bf35ffa266912a9651273d47aa /alc/effects/reverb.cpp
parent79a621ac47e01ad886bc7b4284e514d736650e6d (diff)
Remove and simplify some functions
Diffstat (limited to 'alc/effects/reverb.cpp')
-rw-r--r--alc/effects/reverb.cpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/alc/effects/reverb.cpp b/alc/effects/reverb.cpp
index 82a80198..4a85f640 100644
--- a/alc/effects/reverb.cpp
+++ b/alc/effects/reverb.cpp
@@ -844,6 +844,8 @@ void ReverbState::updateDelayLine(const ALfloat earlyDelay, const ALfloat lateDe
*/
alu::Matrix GetTransformFromVector(const ALfloat *vec)
{
+ constexpr float sqrt_3{1.73205080756887719318f};
+
/* Normalize the panning vector according to the N3D scale, which has an
* extra sqrt(3) term on the directional components. Converting from OpenAL
* to B-Format also requires negating X (ACN 1) and Z (ACN 3). Note however
@@ -855,9 +857,9 @@ alu::Matrix GetTransformFromVector(const ALfloat *vec)
ALfloat mag{std::sqrt(vec[0]*vec[0] + vec[1]*vec[1] + vec[2]*vec[2])};
if(mag > 1.0f)
{
- norm[0] = vec[0] / mag * -al::MathDefs<float>::Sqrt3();
- norm[1] = vec[1] / mag * al::MathDefs<float>::Sqrt3();
- norm[2] = vec[2] / mag * al::MathDefs<float>::Sqrt3();
+ norm[0] = vec[0] / mag * -sqrt_3;
+ norm[1] = vec[1] / mag * sqrt_3;
+ norm[2] = vec[2] / mag * sqrt_3;
mag = 1.0f;
}
else
@@ -866,9 +868,9 @@ alu::Matrix GetTransformFromVector(const ALfloat *vec)
* term. There's no need to renormalize the magnitude since it would
* just be reapplied in the matrix.
*/
- norm[0] = vec[0] * -al::MathDefs<float>::Sqrt3();
- norm[1] = vec[1] * al::MathDefs<float>::Sqrt3();
- norm[2] = vec[2] * al::MathDefs<float>::Sqrt3();
+ norm[0] = vec[0] * -sqrt_3;
+ norm[1] = vec[1] * sqrt_3;
+ norm[2] = vec[2] * sqrt_3;
}
return alu::Matrix{