psemek/libs/audio/source/wave/square.cpp

19 lines
362 B
C++

#include <psemek/audio/wave/square.hpp>
#include <psemek/audio/wave/generator.hpp>
#include <psemek/audio/detail/oscillator.hpp>
#include <cmath>
namespace psemek::audio
{
stream_ptr square_wave(float frequency)
{
auto func = [o = oscillator{frequency}]() mutable {
return o.next().imag() > 0.f ? 1.f : -1.f;
};
return make_generator(func);
}
}