43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
|
#include "classicflyinganimationscenario.h"
|
||
|
#include "classicsprite.h"
|
||
|
|
||
|
void ClassicFlyingAnimationScenario::launch(const std::shared_ptr<ClassicSprite> sprite, const microsec& time_begin, const microsec &time_end)
|
||
|
{
|
||
|
_sprite = sprite;
|
||
|
_time_begin = time_begin;
|
||
|
_time_end = time_end;
|
||
|
|
||
|
_percentage = ((_time_end - _time_begin) * 0.01);
|
||
|
}
|
||
|
|
||
|
int ClassicFlyingAnimationScenario::getPoint(float n1, float n2, float perc) const
|
||
|
{
|
||
|
float diff = n2 - n1;
|
||
|
|
||
|
return n1 + ( diff * perc );
|
||
|
}
|
||
|
|
||
|
void ClassicFlyingAnimationScenario::update(const microsec& music_offset)
|
||
|
{
|
||
|
float i;
|
||
|
const auto crd = _sprite->coordinates();
|
||
|
auto update_time = music_offset - _time_begin;
|
||
|
i = update_time / _percentage * 0.01;
|
||
|
|
||
|
float xa = getPoint( crd.first + 20. , crd.first + 90. , i );
|
||
|
float ya = getPoint( crd.second - 600. , crd.second - 150. , i );
|
||
|
float xb = getPoint( crd.first + 90. , crd.first , i );
|
||
|
float yb = getPoint( crd.second - 150. , crd.second , i );
|
||
|
|
||
|
_sprite->update(getPoint( xa , xb , i ), getPoint( ya , yb , i ));
|
||
|
if (i >= 1)
|
||
|
{
|
||
|
_sprite->trailFade();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
bool ClassicFlyingAnimationScenario::isDone() const
|
||
|
{
|
||
|
return false;
|
||
|
}
|