openal_source_set

(PECL openal >= 0.1.0)

openal_source_set — Set source property

说明

openal_source_set ( resource $source , int $property , mixed $setting ) : bool

参数

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.

返回值

成功时返回 TRUE， 或者在失败时返回 FALSE。

参见

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