File: Cone.h

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/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef Cone_h
#define Cone_h

#include "FloatPoint3D.h"
#include <wtf/TZoneMalloc.h>

namespace WebCore {

// Cone gain is defined according to the OpenAL specification

class ConeEffect final {
    WTF_MAKE_TZONE_ALLOCATED(ConeEffect);
public:
    ConeEffect();

    // Returns scalar gain for the given source/listener positions/orientations
    double gain(FloatPoint3D sourcePosition, FloatPoint3D sourceOrientation, FloatPoint3D listenerPosition) const;

    // Angles in degrees
    void setInnerAngle(double innerAngle) { m_innerAngle = innerAngle; }
    double innerAngle() const { return m_innerAngle; }

    void setOuterAngle(double outerAngle) { m_outerAngle = outerAngle; }
    double outerAngle() const { return m_outerAngle; }

    void setOuterGain(double outerGain) { m_outerGain = outerGain; }
    double outerGain() const { return m_outerGain; }

protected:
    double m_innerAngle { 360 };
    double m_outerAngle { 360 };
    double m_outerGain { 0 };
};

} // namespace WebCore

#endif // Cone_h