Changeset 3946 in orxonox.OLD for orxonox/branches/particleEngine/src/lib/graphics/particles

Timestamp:

Apr 24, 2005, 7:22:17 PM (20 years ago)

Author:

bensch

Message:

orxonox/branches/particleEngine: now particles are transparent, but the loadscreen does not look good anymore

File:

• orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc (modified) (4 diffs)

orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc

@@ -96 +96 @@
   
   material = new Material("transperencyMap");
-  material->setDiffuseMap("pictures/radialTransparency.jpg");
-  
+  material->setDiffuseMap("pictures/radialTransparency.tga");
+  //  material->setTransparency(.5);
+
   glNewList(glID[0], GL_COMPILE);
   glBegin(GL_TRIANGLE_STRIP);
@@ -103 +104 @@
   glVertex3f(0.0, .5, .5);
   glTexCoord2f(1, 0);
+  glVertex3f(0.0, -.5, .5);
+  glTexCoord2f(0, 1);
   glVertex3f(0.0, .5, -.5);
-  glTexCoord2f(0, 1);
-  glVertex3f(0.0, -.5, .5);
   glTexCoord2f(0, 0);
   glVertex3f(0.0, -.5, -.5);
@@ -229 +230 @@
 
   glMatrixMode(GL_MODELVIEW);
-  
+  //  glDisable(GL_LIGHTING);
+  material->select();
+  glPushAttrib(GL_ENABLE_BIT);
+  glDisable(GL_DEPTH_TEST);
+  glDisable(GL_CULL_FACE);
+  glDisable(GL_LIGHTING);  // will be set back when leaving 2D-mode
+  glEnable(GL_TEXTURE_2D);
+
+  /* This allows alpha blending of 2D textures with the scene */
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+
   Particle* drawPart = particles;
   if (likely(drawPart != NULL))
@@ -248 +261 @@
       glEnd();
     }
+  glPopAttrib();
+
 }