62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//
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// Created by Иван Ильин on 10.11.2021.
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//
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#ifndef SHOOTER_ASHOWUNCREATION_H
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#define SHOOTER_ASHOWUNCREATION_H
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#include "Animation.h"
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#include "../Mesh.h"
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class AShowUncreation final : public Animation {
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private:
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const std::weak_ptr<Mesh> _mesh;
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const std::vector<Triangle> _triangles;
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void update() override {
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auto mesh = _mesh.lock();
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if (mesh == nullptr) {
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stop();
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return;
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}
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std::vector<Triangle> newTriangles;
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newTriangles.reserve(_triangles.size());
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double shift = 0.95/_triangles.size();
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double oneTriangleTime = 1.0 - shift*_triangles.size();
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double k = 0.0;
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double progress_inv = 1 - progress();
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for(auto &t : _triangles) {
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if(progress_inv >= shift*k) {
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if(progress_inv <= shift*k + oneTriangleTime) {
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double triProgressLinear = (progress_inv - shift*k) / oneTriangleTime;
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double triProgressBezier = Interpolation::Bezier(Consts::BEZIER[0], Consts::BEZIER[1], triProgressLinear);
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newTriangles.emplace_back(t[0], t[1], t[1] + (t[2] - t[1]) * triProgressBezier, sf::Color(t.color().r, t.color().g, t.color().b, t.color().a*triProgressBezier));
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} else {
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newTriangles.emplace_back(t[0], t[1], t[2], t.color());
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}
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} else {
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newTriangles.emplace_back(t[0], t[0], t[0]);
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}
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k = k + 1.0;
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}
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mesh->setTriangles(std::move(newTriangles));
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mesh->glFreeFloatArray();
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}
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public:
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AShowUncreation(std::weak_ptr<Mesh> mesh, double duration = 1, LoopOut looped = LoopOut::None,
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InterpolationType interpolationType = InterpolationType::Bezier) : Animation(duration, looped,
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interpolationType),
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_mesh(mesh), _triangles(mesh.lock()->triangles()) {}
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};
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#endif //SHOOTER_ASHOWUNCREATION_H
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