func (t *Sound) FadeIn(duration Double, loops int) {
t.channel = int(C.Mix_FadeInChannelTimed(C.int(-1), t.chunk, C.int(loops), C.int(duration*1000.0), C.int(-1)))
if t.channel == -1 {
panic(fmt.Sprintf("Unable to FadeIn Sound file (%v): %v", t.name, util.GetMixError()))
}
t.SetVolume(GDefaultVolume)
}
func (chunk *Chunk) FadeIn(channel, loops, ms, ticks int) bool {
_channel := (C.int)(channel)
_chunk := (*C.Mix_Chunk)(unsafe.Pointer(chunk))
_loops := (C.int)(loops)
_ms := (C.int)(ms)
return int(C.Mix_FadeInChannelTimed(_channel, _chunk, _loops, _ms, -1)) == 0
}
func (chunk *Chunk) FadeInTimed(channel, loops, ms, ticks int) (channel_ int, err error) {
_channel := (C.int)(channel)
_chunk := (*C.Mix_Chunk)(unsafe.Pointer(chunk))
_loops := (C.int)(loops)
_ms := (C.int)(ms)
_ticks := (C.int)(ticks)
channel_ = int(C.Mix_FadeInChannelTimed(_channel, _chunk, _loops, _ms, _ticks))
if channel_ == -1 {
err = sdl.GetError()
}
return
}
//If the sample is long enough and has enough loops then the sample will stop after ticks
//milliseconds.
//Returns: the channel the sample is played on. On any errors, -1 is returned.
func (c *Chunk) FadeInChannelTimed(channel, loops, ms, ticks int) int {
return int(C.Mix_FadeInChannelTimed(C.int(channel), c.cchunk, C.int(loops), C.int(ms), C.int(ticks)))
}
func FadeInChannelTimed(channel int, chunk * C.Mix_Chunk, loops, ms,
ticks int) (int) {
return int(C.Mix_FadeInChannelTimed(C.int(channel), chunk,
C.int(loops), C.int(ms), C.int(ticks)))
}