Set to default distance attenuation function but change the parameters a but for...

[simgear.git] / simgear / sound / xmlsound.cxx

diff --git a/simgear/sound/xmlsound.cxx b/simgear/sound/xmlsound.cxx
index 7fa893d8b78bc4742b552752c72fa8abc864b06c..479e312361d34c7bd631e1266a7034f6f2cf4a0a 100644 (file)
--- a/simgear/sound/xmlsound.cxx
+++ b/simgear/sound/xmlsound.cxx
@@ -174,9 +174,10 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
 
    }
 
-   float reference_dist = node->getDoubleValue("reference-dist", 500.0);
-   float max_dist = node->getDoubleValue("max-dist", 3000.0);
- 
+   // rule of thumb: make reference distance a 100th of the maximum distance.
+   float reference_dist = node->getDoubleValue("reference-dist", 60.0);
+   float max_dist = node->getDoubleValue("max-dist", 6000.0);
+
    //
    // set pitch properties
    //
@@ -236,7 +237,7 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
    SGPropertyNode_ptr prop = node->getChild("position");
    if ( prop != NULL ) {
        offset_pos[0] = -prop->getDoubleValue("x", 0.0);
-       offset_pos[1] = prop->getDoubleValue("y", 0.0);
+       offset_pos[1] = -prop->getDoubleValue("y", 0.0);
        offset_pos[2] = -prop->getDoubleValue("z", 0.0);
    }
 
@@ -250,7 +251,7 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
    prop = node->getChild("orientation");
    if ( prop != NULL ) {
       dir = SGVec3f(-prop->getFloatValue("x", 0.0),
-                    prop->getFloatValue("y", 0.0),
+                    -prop->getFloatValue("y", 0.0),
                     -prop->getFloatValue("z", 0.0));
       inner = prop->getFloatValue("inner-angle", 360.0);
       outer = prop->getFloatValue("outer-angle", 360.0);