Method MakeVibratoTable

Source/FamiTrackerModule.cpp:170–192

}

std::array<int, 256> CFamiTrackerModule::MakeVibratoTable() const {		// // //
	const double NEW_VIBRATO_DEPTH[] = {
		0.0, 1.5, 2.5, 4.0, 5.0, 7.0, 10.0, 12.0, 14.0, 17.0, 22.0, 30.0, 44.0, 64.0, 96.0, 128.0,
	};

	const double OLD_VIBRATO_DEPTH[] = {
		0.0, 1.0, 2.0, 3.0, 4.0, 7.0, 8.0, 15.0, 16.0, 31.0, 32.0, 63.0, 64.0, 127.0, 128.0, 255.0,
	};

	std::array<int, 256> table = { };
	const double PI = std::acos(-1);

	for (int depth = 0; depth < 16; ++depth) {
		for (int phase = 0; phase < 16; ++phase) {
			auto t = (double)phase;
			table[depth * 16 + phase] = (int)(GetVibratoStyle() == vibrato_t::Bidir ?
				(std::sin(t * PI / 32.) * NEW_VIBRATO_DEPTH[depth] /*+ .5*/) :
				(t * OLD_VIBRATO_DEPTH[depth] / 16. + 1.));
		}
	}

	return table;
}

CPeriodTables CFamiTrackerModule::MakePeriodTables() const {		// // //
	CPeriodTables table;