shooter/engine/animation/AScale.h

40 lines
1.2 KiB
C++

//
// Created by Иван Ильин on 29.01.2021.
//
#ifndef ENGINE_ASCALE_H
#define ENGINE_ASCALE_H
#include "Animation.h"
#include "../Object.h"
class AScale final : public Animation {
private:
const std::weak_ptr<Object> _object;
const Vec3D _scalingValue;
Vec3D _prevScaleFactor{1, 1, 1};
void update() override {
auto obj = _object.lock();
if (obj == nullptr) {
stop();
return;
}
// invert scale
obj->scale(Vec3D(1.0/_prevScaleFactor.x(), 1.0/_prevScaleFactor.y(), 1.0/_prevScaleFactor.z()));
Vec3D scaleFactor = Vec3D{1, 1, 1} + (_scalingValue - Vec3D{1, 1, 1}) * progress();
obj->scale(scaleFactor);
_prevScaleFactor = scaleFactor;
}
public:
AScale(std::weak_ptr<Object> object, const Vec3D &s, double duration = 1, LoopOut looped = LoopOut::None,
InterpolationType interpolationType = InterpolationType::Bezier) : Animation(duration, looped,
interpolationType),
_object(object), _scalingValue(s) {
}
};
#endif //INC_3DZAVR_ASCALE_H