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(PECL openal >= 0.1.0)
openal_source_set — Set source property
$source
, int $property
, mixed $setting
)source
An Open AL(Source) resource (previously created by openal_source_create() ).
property
Property to set, one of:
AL_BUFFER
(OpenAL(Source)),
AL_LOOPING
(bool),
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)).
setting
Value to assign to specified property
.
Refer to the description of property
for a description of the value(s) expected.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。