public function __clone()
{
$effect = new EffectTremoloBar();
foreach ($this->points as $point) {
$effect->addPoint($point->getPosition(), $point->getValue());
}
return $effect;
}
public function makeTremoloBar(MidiSequenceHelper $sHelper, $track, $start, $duration, EffectTremoloBar $effect, $channel, $midiVoice, $bendMode)
{
$points = $effect->getPoints();
for ($i = 0; $i < count($points); $i++) {
$point = $points[$i];
$pointStart = $start + $point->getTime($duration);
$value = self::DEFAULT_BEND + intval($point->getValue() * self::DEFAULT_BEND_SEMI_TONE * 2);
$value = $value <= 127 ? $value : 127;
$value = $value >= 0 ? $value : 0;
$this->addBend($sHelper, $track, $pointStart, $value, $channel, $bendMode);
if (count($points) > $i + 1) {
$nextPoint = $points[$i + 1];
$nextValue = self::DEFAULT_BEND + intval($nextPoint->getValue() * self::DEFAULT_BEND_SEMI_TONE * 2);
$nextPointStart = $start + $nextPoint->getTime($duration);
if ($nextValue != $value) {
$width = ($nextPointStart - $pointStart) / abs($nextValue - $value);
//asc
if ($value < $nextValue) {
while ($value < $nextValue) {
$value++;
$pointStart += $width;
$this->addBend($sHelper, $track, $pointStart, $value <= 127 ? $value : 127, $channel, $bendMode);
}
//desc
} else {
if ($value > $nextValue) {
while ($value > $nextValue) {
$value--;
$pointStart += $width;
$this->addBend($sHelper, $track, $pointStart, $value >= 0 ? $value : 0, $channel, $bendMode);
}
}
}
}
}
}
$this->addBend($sHelper, $track, $start + $duration, self::DEFAULT_BEND, $channel, $bendMode);
}
