40 lines
628 B
C++
40 lines
628 B
C++
|
#include "..\e2daction.h"
|
||
|
|
|
||
|
|
|
||
|
|
e2d::OpacityBy::OpacityBy(double duration, double opacity) :
|
||
|
|
ActionGradual(duration)
|
||
|
|
{
|
||
|
|
_deltaVal = opacity;
|
||
|
|
}
|
||
|
|
|
||
|
|
void e2d::OpacityBy::_init()
|
||
|
|
{
|
||
|
|
ActionGradual::_init();
|
||
|
|
if (_target)
|
||
|
|
{
|
||
|
|
_startVal = _target->getOpacity();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void e2d::OpacityBy::_update()
|
||
|
|
{
|
||
|
|
ActionGradual::_update();
|
||
|
|
|
||
|
|
if (_target == nullptr)
|
||
|
|
{
|
||
|
|
this->stop();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
_target->setOpacity(_startVal + _deltaVal * _delta);
|
||
|
|
}
|
||
|
|
|
||
|
|
e2d::OpacityBy * e2d::OpacityBy::clone() const
|
||
|
|
{
|
||
|
|
return new OpacityBy(_duration, _deltaVal);
|
||
|
|
}
|
||
|
|
|
||
|
|
e2d::OpacityBy * e2d::OpacityBy::reverse() const
|
||
|
|
{
|
||
|
|
return new OpacityBy(_duration, -_deltaVal);
|
||
|
|
}
|