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<scxml datamodel="ecmascript" name="spatial.audio.test">
<datamodel>
<!-- Alternative to the JSON notation
<data id="spatialAudio" expr="{}" />
<data id="spatialAudio.id2" expr="{}" />
<data id="spatialAudio.id2.degree" expr="90" />
-->
<data id="spatialAudio">
{
'id2': {
'degree': 90
}
}
</data>
</datamodel>
<state id="click.continuously">
<initial>
<transition target="ready" />
</initial>
<invoke type="openal" id="spatial-audio.id1">
<!--
Explicitly set the start position of an audio source.
Keep in mind that the coordinate system is the same as in OpenGL:
y
|
|___x
/
z
-->
<param name="x" expr="-1.0" /> <!-- leftmost -->
<param name="y" expr="0" />
<param name="z" expr="0" />
</invoke>
<invoke type="openal" id="spatial-audio.id2">
<!--
Set position on a circle.
Unit for circle is "deg" in clockwise order with 0 being directly in front,
or "rad" in counter-clockwise with zero being the rightmost position.
"right", "height" and "front" are aliases for x, y and z respectively.
-->
<param name="circle" expr="spatialAudio.id2.degree + 'deg'" /> <!-- rightmost -->
<param name="height" expr="0.0" />
</invoke>
<state id="ready">
<onentry>
<!-- trigger transition in 1 second -->
<send event="spatial-audio.play" delay="1s">
<param name="src" expr="'audio/click.wav'" />
</send>
<log expr="'Ready'" />
</onentry>
<transition target="click" event="spatial-audio.play" />
<transition target="final" event="quit" />
</state>
<state id="click">
<onentry>
<send target="#_spatial-audio.id1" event="play">
<param name="src" expr="'audio/click.wav'" />
</send>
<!--
move position of audio 2 in a circle
-->
<send target="#_spatial-audio.id2" event="play" delay="200ms">
<param name="src" expr="'audio/click.wav'" />
<param name="circle" expr="spatialAudio.id2.degree + 'deg'" />
</send>
<log expr="'Clicking'" />
<script>spatialAudio.id2.degree += 90;</script>
</onentry>
<transition target="ready" />
</state>
</state>
<final id="final" />
</scxml>
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