/*
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. OR ITS CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 */

// See https://webaudio.github.io/web-audio-api/#the-pannernode-interface
enum PanningModelType {
    "equalpower",
    "HRTF"
};

enum DistanceModelType {
    "linear",
    "inverse",
    "exponential"
};

[
    Constructor(BaseAudioContext context, optional PannerOptions options),
    RaisesException=Constructor,
] interface PannerNode : AudioNode {
    // Default model for stereo is equalpower.
    attribute PanningModelType panningModel;

    // Uses a 3D cartesian coordinate system
    [MeasureAs=PannerNodeSetPosition] void setPosition(float x, float y, float z);
    [MeasureAs=PannerNodeSetOrientation] void setOrientation(float x, float y, float z);
    [DeprecateAs=PannerNodeSetVelocity] void setVelocity(float x, float y, float z);

    // Uses a 3D cartesian coordinate system
    readonly attribute AudioParam positionX;
    readonly attribute AudioParam positionY;
    readonly attribute AudioParam positionZ;

    readonly attribute AudioParam orientationX;
    readonly attribute AudioParam orientationY;
    readonly attribute AudioParam orientationZ;

    // Distance model
    attribute DistanceModelType distanceModel;

    attribute double refDistance;
    attribute double maxDistance;
    attribute double rolloffFactor;

    // Directional sound cone
    attribute double coneInnerAngle;
    attribute double coneOuterAngle;
    attribute double coneOuterGain;
};