tweener_t get_tweener(std::wstring name)
{
std::transform(name.begin(), name.end(), name.begin(), std::towlower);
if (name == L"linear")
return [](double t, double b, double c, double d) { return ease_none(t, b, c, d, std::vector<double>()); };
std::vector<double> params;
static const boost::wregex expr(
LR"((?<NAME>\w*)(:(?<V0>\d+\.?\d?))?(:(?<V1>\d+\.?\d?))?)"); // boost::regex has no repeated captures?
boost::wsmatch what;
if (boost::regex_match(name, what, expr)) {
name = what["NAME"].str();
if (what["V0"].matched)
params.push_back(std::stod(what["V0"].str()));
if (what["V1"].matched)
params.push_back(std::stod(what["V1"].str()));
}
tweener_t get_tweener(std::wstring name)
{
std::transform(name.begin(), name.end(), name.begin(), std::tolower);
if(name == L"linear")
return [](double t, double b, double c, double d) {
return ease_none(t, b, c, d, std::vector<double>());
};
std::vector<double> params;
static const boost::wregex expr(L"(?<NAME>\\w*)(:(?<V0>\\d+\\.?\\d?))?(:(?<V1>\\d+\\.?\\d?))?"); // boost::regex has no repeated captures?
boost::wsmatch what;
if(boost::regex_match(name, what, expr))
{
name = what["NAME"].str();
if(what["V0"].matched)
params.push_back(boost::lexical_cast<double>(what["V0"].str()));
if(what["V1"].matched)
params.push_back(boost::lexical_cast<double>(what["V1"].str()));
}
typedef std::function<double(double, double, double, double, const std::vector<double>&)> tween_t;
static const std::unordered_map<std::wstring, tween_t> tweens = boost::assign::map_list_of
(L"", ease_none )
(L"linear", ease_none )
(L"easenone", ease_none )
(L"easeinquad", ease_in_quad )
(L"easeoutquad", ease_out_quad )
(L"easeinoutquad", ease_in_out_quad )
(L"easeoutinquad", ease_out_in_quad )
(L"easeincubic", ease_in_cubic )
(L"easeoutcubic", ease_out_cubic )
(L"easeinoutcubic", ease_in_out_cubic )
(L"easeoutincubic", ease_out_in_cubic )
(L"easeinquart", ease_in_quart )
(L"easeoutquart", ease_out_quart )
(L"easeinoutquart", ease_in_out_quart )
(L"easeoutinquart", ease_out_in_quart )
(L"easeinquint", ease_in_quint )
(L"easeoutquint", ease_out_quint )
(L"easeinoutquint", ease_in_out_quint )
(L"easeoutinquint", ease_out_in_quint )
(L"easeinsine", ease_in_sine )
(L"easeoutsine", ease_out_sine )
(L"easeinoutsine", ease_in_out_sine )
(L"easeoutinsine", ease_out_in_sine )
(L"easeinexpo", ease_in_expo )
(L"easeoutexpo", ease_out_expo )
(L"easeinoutexpo", ease_in_out_expo )
(L"easeoutinexpo", ease_out_in_expo )
(L"easeincirc", ease_in_circ )
(L"easeoutcirc", ease_out_circ )
(L"easeinoutcirc", ease_in_out_circ )
(L"easeoutincirc", ease_out_in_circ )
(L"easeinelastic", ease_in_elastic )
(L"easeoutelastic", ease_out_elastic )
(L"easeinoutelastic", ease_in_out_elastic)
(L"easeoutinelastic", ease_out_in_elastic)
(L"easeinback", ease_in_back )
(L"easeoutback", ease_out_back )
(L"easeinoutback", ease_in_out_back )
(L"easeoutintback", ease_out_int_back )
(L"easeoutbounce", ease_out_bounce )
(L"easeinbounce", ease_in_bounce )
(L"easeinoutbounce", ease_in_out_bounce )
(L"easeoutinbounce", ease_out_in_bounce );
auto it = tweens.find(name);
if(it == tweens.end())
it = tweens.find(L"linear");
return [=](double t, double b, double c, double d)
{
return it->second(t, b, c, d, params);
};
};
