Smoother wind calculation.

src/smart_grid/SmartGridModel.cpp

@@ -13,9 +13,10 @@ SmartGridModel::SmartGridModel(HardwareControl &modell)
 
 void SmartGridModel::update_wind()
 {
-    auto wind_by_sun = m_sun * 9.0 / 100.0; // wind by sun should be 5 max.
-    auto random_wind = ((std::rand() * 1.0) / RAND_MAX) * 1.0;
-    m_wind = power_wind[static_cast<int>(wind_by_sun + random_wind)];
+    auto base_wind = 10.0;
+    auto wind_by_sun = m_sun * 10.0;
+    auto random_wind = (((std::rand() * 1.0) / RAND_MAX) * 2.0) - 1.0;
+    m_wind = base_wind + wind_by_sun + random_wind;
 }