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42 lines
1.3 KiB
C++

#include "classicflyinganimationscenario.h"
#include "graphics/classicnotegraphics.h"
void ClassicFlyingAnimationScenario::launch(
const std::shared_ptr<ClassicNoteGraphics> sprite,
const kku::microsec &time_begin, const kku::microsec &time_end)
{
_sprite = sprite;
_time_begin = time_begin;
_time_end = time_end;
_percentage = ((_time_end - _time_begin) * 0.01);
_sprite->setTrailColor(_sprite->getColor());
}
float ClassicFlyingAnimationScenario::getPoint(const kku::Point &point,
float perc) const
{
return point.x + ((point.y - point.x) * perc);
}
void ClassicFlyingAnimationScenario::update(const kku::microsec &music_offset)
{
const auto crd = _sprite->getPosition();
auto update_time = music_offset - _time_begin;
float i = update_time / _percentage * 0.01;
float xa = getPoint(kku::Point{crd.x + 20, crd.x + 90}, i);
float ya = getPoint(kku::Point{crd.y - 600, crd.y - 150}, i);
float xb = getPoint(kku::Point{crd.x + 90, crd.x}, i);
float yb = getPoint(kku::Point{crd.y - 150, crd.y}, i);
_sprite->setTrailPosition(kku::Point(getPoint(kku::Point{xa, xb}, i),
getPoint(kku::Point{ya, yb}, i)));
}
bool ClassicFlyingAnimationScenario::isDone() const
{
return false;
}