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Set song volume
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| {| | {| | ||
| | '''INT''' volume || - New volume. (0..128). | | '''INT''' volume || - New volume. (0..128). | ||
| + | |} | ||
| + | |||
| + | == Returns == | ||
| + | '''INT''' : Error. | ||
| + | {| | ||
| + | | -1 || - Error: sound inactive. | ||
| + | |- | ||
| + | | 0 || - No error. | ||
| |} | |} | ||
| Line 107: | Line 115: | ||
| end | end | ||
| </pre> | </pre> | ||
| - | 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]]. | + | 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]](). |
| + | |||
| + | {{Funcbox | ||
| + | | category=Sound | ||
| + | }} | ||
Current revision
Contents |
[edit] Definition
INT set_song_volume ( <INT volume> )
Change the reproduction volume of the music track.
With this function, it is possible to set the background music to a different volume than the sound effects, etc.
[edit] Parameters
| INT volume | - New volume. (0..128). |
[edit] Returns
INT : Error.
| -1 | - Error: sound inactive. |
| 0 | - No error. |
[edit] Notes
This function changes the reproduction volume of the music track. The volume level can be set between 0 (silence) and 128 (original 100% volume of the track. The default volume is 128.
[edit] 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().
| Sound Functions | |
| • Is_playing_song() • Load_song() • Load_wav() • Pause_song() • Play_song() • Play_wav() • Resume_song() • Set_song_volume() • Unload_song() • | |
