e4233cc23d
Without period, y=k*t+b and y=base+drift_rate*t grow infinitely, which is unrealistic for industrial simulation. period_ms makes t wrap modulo the period, producing sawtooth patterns that simulate per-cycle behavior (e.g. tension build-up per coil, sensor drift per shift).
17 lines
450 B
C
17 lines
450 B
C
#pragma once
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#include <TestProject/RNG/model/IModel.h>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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struct LinearModel : IModel {
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float k, b;
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size_t period_ticks;
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LinearModel(const json& params, float defaultVal)
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: k(params.value("k", 0.0f)), b(defaultVal)
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, period_ticks(params.value("period_ms", 0) / 20) {}
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float evaluate(size_t t) override {
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if (period_ticks > 0) t %= period_ticks;
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return k * t + b;
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}
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};
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