Function eval_perlin_2

library/LuaApi.cpp:1199–1204

    return 1;
}
static int eval_perlin_2(lua_State *L)
{
    auto &gen = *(PerlinNoise2D<float>*)lua_touserdata(L, lua_upvalueindex(1));
    lua_pushnumber(L, gen(luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
    return 1;
}
static int eval_perlin_3(lua_State *L)
{
    auto &gen = *(PerlinNoise3D<float>*)lua_touserdata(L, lua_upvalueindex(1));