1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef Cone_h 30 #define Cone_h 31 32 #include "platform/PlatformExport.h" 33 #include "platform/geometry/FloatPoint3D.h" 34 35 namespace blink { 36 37 // Cone gain is defined according to the OpenAL specification 38 39 class PLATFORM_EXPORT ConeEffect { 40 public: 41 ConeEffect(); 42 43 // Returns scalar gain for the given source/listener positions/orientations 44 double gain(FloatPoint3D sourcePosition, FloatPoint3D sourceOrientation, FloatPoint3D listenerPosition); 45 46 // Angles in degrees setInnerAngle(double innerAngle)47 void setInnerAngle(double innerAngle) { m_innerAngle = innerAngle; } innerAngle()48 double innerAngle() const { return m_innerAngle; } 49 setOuterAngle(double outerAngle)50 void setOuterAngle(double outerAngle) { m_outerAngle = outerAngle; } outerAngle()51 double outerAngle() const { return m_outerAngle; } 52 setOuterGain(double outerGain)53 void setOuterGain(double outerGain) { m_outerGain = outerGain; } outerGain()54 double outerGain() const { return m_outerGain; } 55 56 protected: 57 double m_innerAngle; 58 double m_outerAngle; 59 double m_outerGain; 60 }; 61 62 } // namespace blink 63 64 #endif // Cone_h 65