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(PECL openal >= 0.1.0)
openal_source_get — Retrieve an OpenAL source property
$source
, int $property
)source
An Open AL(Source) resource (previously created by openal_source_create() ).
property
Property to get, one of:
AL_SOURCE_RELATIVE
(int),
AL_SOURCE_STATE
(int),
AL_PITCH
(float),
AL_GAIN
(float),
AL_MIN_GAIN
(float),
AL_MAX_GAIN
(float),
AL_MAX_DISTANCE
(float),
AL_ROLLOFF_FACTOR
(float),
AL_CONE_OUTER_GAIN
(float),
AL_CONE_INNER_ANGLE
(float),
AL_CONE_OUTER_ANGLE
(float),
AL_REFERENCE_DISTANCE
(float),
AL_POSITION
(array(float,float,float)),
AL_VELOCITY
(array(float,float,float)),
AL_DIRECTION
(array(float,float,float)).
Returns the type associated with the property being retrieved
或者在失败时返回 FALSE
.