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  /external/chromium_org/third_party/WebKit/Source/platform/graphics/filters/
SpotLightSource.cpp 46 paintingData.directionVector.setX(m_direction.x() - m_position.x());
47 paintingData.directionVector.setY(m_direction.y() - m_position.y());
48 paintingData.directionVector.setZ(m_direction.z() - m_position.z());
49 paintingData.directionVector.normalize();
72 float cosineOfAngle = (paintingData.lightVector * paintingData.directionVector) / paintingData.lightVectorLength;
LightSource.h 56 FloatPoint3D directionVector;

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