Changeset 9719 for code/branches/radarDreiD/src/libraries/util/Math.cc

Timestamp:

Oct 28, 2013, 3:58:20 PM (11 years ago)

Author:

wroennin

Message:

Radar.cc: new function call, detectionlimit 10000→1000 ; Math.cc: new function get3DProjection; HUDTemplates.oxo: new HUDRadar

File:

• code/branches/radarDreiD/src/libraries/util/Math.cc (modified) (3 diffs)

code/branches/radarDreiD/src/libraries/util/Math.cc

@@ -23 +23 @@
  *      Fabian 'x3n' Landau
  *   Co-authors:
- *      ...
+ *      Wolfgang Roenninger
  *
  */
@@ -147 +147 @@
 
     /**
-        @brief Gets the 2D viewing direction (up/down, left/right) to the position of the other object, multiplied with the viewing distance to the object (0° = 0, 180° = 1).
+        @brief Gets the 2D viewing direction (up/down, left/right) to the position of the other object, multiplied with the viewing distance to the object (0� = 0, 180� = 1).
         @param myposition My position
         @param mydirection My viewing direction
@@ -190 +190 @@
             return orxonox::Vector2( -sin_value * radius, cos_value * radius);
     }
+
+
+    /**
+            @brief Gets the 2D project vector for the 3D Radar .
+            @param myposition My position
+            @param mydirection My viewing direction
+            @param otherposition The position of the other object
+            @param mapangle The angle you look on the 3Dmap
+            @param detectionlimit The limit in which objects are shown on the map
+            @return The viewing direction
+
+            Examples:
+             -
+        */
+    orxonox::Vector2 get3DProjection(const orxonox::Vector3& myposition, const orxonox::Vector3& mydirection, const orxonox::Vector3& otherposition, const float mapangle, const float detectionlimit)
+    {
+        //
+        orxonox::Vector3 distance = otherposition - myposition;
+
+        // project difference vector on our plane
+        orxonox::Vector3 projection = Ogre::Plane(mydirection, myposition).projectVector(distance);
+
+        //float projectionlength = projection.length();
+
+        // project vector for the rotated 3DMap
+        float xcoordinate = projection.y/(2*detectionlimit);
+        float ycoordinate = (projection.x*sin(mapangle)+projection.z*cos(mapangle))/(2*detectionlimit);
+        return orxonox::Vector2(xcoordinate , ycoordinate);
+    }
+
 
     /**