Changeset 5083 for OpenSceneGraph/trunk/examples/osgprecipitation/osgprecipitation.cpp

Timestamp:

04/11/06 15:22:59 (7 years ago)

Author:

robert

Message:

Added support for point sprite particle effects.

Files:

• OpenSceneGraph/trunk/examples/osgprecipitation/osgprecipitation.cpp (modified) (5 diffs)

OpenSceneGraph/trunk/examples/osgprecipitation/osgprecipitation.cpp

@@ -22 +22 @@
 #include <osg/Program>
 #include <osg/Fog>
+#include <osg/Point>
+#include <osg/PointSprite>
 #include <osg/io_utils>
 
@@ -253 +255 @@
     osg::Geometry* point_geometry = 0;
     
-#if 1
+#if 0
     quad_geometry = new PrecipitationGeometry;
     quad_geometry->setUseVertexBufferObjects(true);
@@ -270 +272 @@
 #endif
 
-#if 0    
+#if 0   
     line_geometry = new PrecipitationGeometry;
     line_geometry->setUseVertexBufferObjects(true);
@@ -288 +290 @@
 
 
-#if 0    
+#if 1    
     point_geometry = new PrecipitationGeometry;
     point_geometry->setUseVertexBufferObjects(true);
@@ -301 +303 @@
         // get shaders from source
         program->addShader(osg::Shader::readShaderFile(osg::Shader::VERTEX, osgDB::findDataFile("point_rain.vert")));
-        program->addShader(osg::Shader::readShaderFile(osg::Shader::FRAGMENT, osgDB::findDataFile("point_rain.frag")));
+        program->addShader(osg::Shader::readShaderFile(osg::Shader::FRAGMENT, osgDB::findDataFile("rain.frag")));
+
+        /// Setup the point sprites
+        osg::PointSprite *sprite = new osg::PointSprite();
+        point_stateset->setTextureAttributeAndModes(0, sprite, osg::StateAttribute::ON);
+
+        point_stateset->setMode(GL_VERTEX_PROGRAM_POINT_SIZE, osg::StateAttribute::ON);
+
     }
 #endif