Is playing song
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Definition
INT is_playing_song ( )
Checks to see if Bennu is playing a song file, started with play_song().
Returns
INT : Whether Bennu is playing a song at the moment of calling.
true | - Bennu is playing a song. |
false | - Bennu is not playing a song. |
Example
program music_example; global my_song; playing; paused; faded_in; v; begin set_mode(640,480,16); my_song=load_song("beat.ogg"); write(0,320,30,4,"Use the keyboard to control the music playback."); write(0,320,50,4,"Key [ENTER] starts / stops the song."); write(0,320,60,4,"Key [SPACE] pauses / resumes the song."); write(0,320,70,4,"Key [0] through key [9] changes the song volume."); write(0,320,80,4,"Key [F] fades the song in or out."); write(0,320,120,5,"Playing: "); write_int(0,320,120,3,&playing); write(0,320,140,5,"Paused: "); write_int(0,320,140,3,&paused); write(0,320,160,5,"Faded in: "); write_int(0,320,160,3,&faded_in); write(0,320,180,5,"Volume: "); write_int(0,320,180,3,&v); v=128; faded_in=true; repeat if(key(_enter)) if(is_playing_song()) stop_song(); playing=false; else play_song(my_song,1); playing=true; end while(key(_enter))frame;end end if(key(_space)) if(paused) paused=false; resume_song(); else paused=true; pause_song(); end while(key(_space))frame;end end if(key(_f)) if(faded_in) faded_in=false; fade_music_off(100); else faded_in=true; fade_music_in(my_song,1,100); end while(key(_f))frame;end end if(key(_0))v=0;end if(key(_1))v=14;end if(key(_2))v=28;end if(key(_3))v=43;end if(key(_4))v=57;end if(key(_5))v=71;end if(key(_6))v=85;end if(key(_7))v=100;end if(key(_8))v=114;end if(key(_9))v=128;end set_song_volume(v); frame; until(key(_esc)) exit(); end
Used in example: key(), set_mode(), load_song(), write(), write_int(), pause_song(), play_song(), stop_song(), resume_song(), fade_music_in(), fade_music_off(), set_song_volume().