init

weapons/sam/large_sam_launch_computer.txt

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+# ****************************************************************************
+# CUI
+#
+# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
+#
+# The use, dissemination or disclosure of data in this file is subject to
+# limitation or restriction. See accompanying README and LICENSE for details.
+# ****************************************************************************
+# * * ************************************** * *
+# *   ****** Demonstration input file ******   *
+# *   ******      UNCLASSIFIED        ******   *
+# * * ************************************** * *
+
+# Launch/engagement computer for the Large SAM
+
+script bool Large_SAM_LaunchComputer(WsfTrack aTrack,
+                                     WsfPlatform aLauncher,
+                                     string aEnvelopeName,
+                                     double aLaunchDelay)
+
+   bool canIntercept = false;
+
+   # TODO assuming launcher at 0 alt.  need AGL of target
+   double tgtAlt = aLauncher.RelativeAltitudeOf(aTrack);
+
+   double maxTOF = 0.0;
+   double avgSpd = 0.0;
+   double maxRng = 0.0;
+   double shootDelay = 0.0;
+
+   # simple wpn-spd data for now
+   maxRng = 25.0 * 1852.0;   # 25 nautical miles
+   maxTOF = 27.0;
+   avgSpd = 2643.0 * 1852.0 / 3600.0; # kts -> m/sec
+
+   WsfWaypoint intercept = WsfWaypoint();
+   double tti = aLauncher.InterceptLocation2D(aTrack, intercept, avgSpd, aLaunchDelay + shootDelay);
+   if ((tti > 0.0) && (tti < maxTOF))
+   {
+      double lat = intercept.Latitude();
+      double lon = intercept.Longitude();
+      WsfGeoPoint point;
+      point = point.Construct(lat, lon, tgtAlt);
+      canIntercept = point.WithinZoneOf(aLauncher, aEnvelopeName);
+   }
+
+   return canIntercept;
+end_script