diff options
Diffstat (limited to 'WebCore/platform/audio/Cone.cpp')
| -rw-r--r-- | WebCore/platform/audio/Cone.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/WebCore/platform/audio/Cone.cpp b/WebCore/platform/audio/Cone.cpp index 91813ab..f514cde 100644 --- a/WebCore/platform/audio/Cone.cpp +++ b/WebCore/platform/audio/Cone.cpp @@ -31,6 +31,7 @@ #if ENABLE(WEB_AUDIO) #include "Cone.h" +#include <wtf/MathExtras.h> namespace WebCore { @@ -41,21 +42,21 @@ ConeEffect::ConeEffect() { } -double ConeEffect::gain(Vector3 sourcePosition, Vector3 sourceOrientation, Vector3 listenerPosition) +double ConeEffect::gain(FloatPoint3D sourcePosition, FloatPoint3D sourceOrientation, FloatPoint3D listenerPosition) { if (sourceOrientation.isZero() || ((m_innerAngle == 360.0) && (m_outerAngle == 360.0))) return 1.0; // no cone specified - unity gain // Normalized source-listener vector - Vector3 sourceToListener = listenerPosition - sourcePosition; + FloatPoint3D sourceToListener = listenerPosition - sourcePosition; sourceToListener.normalize(); - Vector3 normalizedSourceOrientation = sourceOrientation; + FloatPoint3D normalizedSourceOrientation = sourceOrientation; normalizedSourceOrientation.normalize(); // Angle between the source orientation vector and the source-listener vector - double dotProduct = dot(sourceToListener, normalizedSourceOrientation); - double angle = 180.0 * acos(dotProduct) / M_PI; + double dotProduct = sourceToListener.dot(normalizedSourceOrientation); + double angle = 180.0 * acos(dotProduct) / piDouble; double absAngle = fabs(angle); // Divide by 2.0 here since API is entire angle (not half-angle) |