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 "FloatPoint3D.h" 33 34 namespace WebCore { 35 36 // Cone gain is defined according to the OpenAL specification 37 38 class ConeEffect { 39 public: 40 ConeEffect(); 41 42 // Returns scalar gain for the given source/listener positions/orientations 43 double gain(FloatPoint3D sourcePosition, FloatPoint3D sourceOrientation, FloatPoint3D listenerPosition); 44 45 // Angles in degrees 46 void setInnerAngle(double innerAngle) { m_innerAngle = innerAngle; } 47 double innerAngle() const { return m_innerAngle; } 48 49 void setOuterAngle(double outerAngle) { m_outerAngle = outerAngle; } 50 double outerAngle() const { return m_outerAngle; } 51 52 void setOuterGain(double outerGain) { m_outerGain = outerGain; } 53 double outerGain() const { return m_outerGain; } 54 55 protected: 56 double m_innerAngle; 57 double m_outerAngle; 58 double m_outerGain; 59 }; 60 61 } // namespace WebCore 62 63 #endif // Cone_h 64