openal_source_get
(PECL openal >= 0.1.0)
openal_source_get — Retrieve an OpenAL source property
說明
參數
-
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)).
返回值
Returns the type associated with the property being retrieved
或者在失敗時返回 false.
參見
- openal_source_create() - Generate a source resource
- openal_source_set() - Set source property
- openal_source_play() - Start playing the source