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39 lines
771 B
C
39 lines
771 B
C
5 months ago
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#ifndef WORLD_H
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#define WORLD_H
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#include "sphere.h"
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#include <limits>
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#include <optional>
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#include <tuple>
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#include <vector>
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struct World
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{
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std::vector<Sphere> objects;
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void add(auto&&... args) {
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objects.emplace_back(args...);
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}
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std::optional<std::pair<double, Sphere>> hit(const ray& r) const {
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double closest = std::numeric_limits<double>::infinity();
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Sphere sphere;
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for (const auto& o : objects) {
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if (auto t = o.hit(r, 0.001, closest); t) {
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closest = *t;
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sphere = o;
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}
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}
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if (closest != std::numeric_limits<double>::infinity())
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return std::pair {closest, sphere};
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else
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return {};
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}
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};
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#endif // WORLD_H
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