Added sun message

Signed-off-by: Markus Waldmann <Markus.Waldmann@stud.hs-kempten.de>

Author: Markus Waldmann

osi_environment.proto

@@ -109,6 +109,10 @@ message EnvironmentalConditions
     //
     optional CloudState cloud_state = 10;
 
+    // Definition of the Sun.
+    //
+    optional Sun sun = 12;
+
     // Definition of discretized precipitation states according to [1].
     // (I = Intensity of precipitation in mm per hour mm/h)
     //
@@ -424,4 +428,24 @@ message EnvironmentalConditions
         //
         CLOUD_STATE_NOSKY = 11;
     }
+
+    //
+    // \brief Specification of sun properties.
+    //
+    // \note Defines the specification of sun properties according to ASAM OpenSCENARIO
+    //
+    message Sun
+    {
+        // Azimuth of the sun, counted counterclockwise, 0=north, PI/2 = east, PI=south, 3/2 PI=west. Unit: radian; Range: [0..2PI].
+        //
+        optional double azimuth = 1;
+
+        // Solar elevation angle, 0=x/y plane, PI/2=zenith. Unit: rad; Range: [-PI..PI].
+        //
+        optional double elevation = 2;
+
+        // Illuminance of the sun, direct sunlight is around 100,00 lx. Unit: lux; Range: [0..inf[.
+        //
+        optional double intensity = 3;
+    }
 }