Changeset 4360 for OpenSceneGraph/trunk/examples/osgpoints/osgpoints.cpp

Timestamp:

06/27/05 16:28:29 (8 years ago)

Author:

robert

Message:

Added / and * controls of the distance attentuations of the point size extension

Files:

• OpenSceneGraph/trunk/examples/osgpoints/osgpoints.cpp (modified) (3 diffs)

OpenSceneGraph/trunk/examples/osgpoints/osgpoints.cpp

@@ -25 +25 @@
             _point = new osg::Point;
             _point->setDistanceAttenuation(osg::Vec3(0.0,0.0005,0.0f));
-            _point->setDistanceAttenuation(osg::Vec3(0.0,0.0000,0.000005f));
+            _point->setDistanceAttenuation(osg::Vec3(0.0,0.0000,0.05f));
             _stateset->setAttribute(_point.get());
         }
@@ -43 +43 @@
                     {
                        changePointSize(-1.0f);
+                       return true;
+                    }
+                    else if (ea.getKey()=='*')
+                    {
+                       changePointAttenuation(1.1f);
+                       return true;
+                    }
+                    else if (ea.getKey()=='/')
+                    {
+                       changePointAttenuation(1.0f/1.1f);
                        return true;
                     }
@@ -76 +86 @@
         {
             setPointSize(getPointSize()+delta);
+        }
+
+        void changePointAttenuation(float scale)
+        {
+            _point->setDistanceAttenuation(_point->getDistanceAttenuation()*scale);
         }