- Use a more conservative max near/far clip plane ratio to limit depth buffer precision artifacts

- Change fractional pixel offset for text rendering so that text still looks crisp with multi-sample antialiasing.

src/celengine/console.cpp

@@ -60,7 +60,7 @@ void Console::begin()
     glMatrixMode(GL_MODELVIEW);
     glPushMatrix();
     glLoadIdentity();
-    glTranslatef(0.375f, 0.375f, 0);
+    glTranslatef(0.125f, 0.125f, 0);
 
     glDisable(GL_LIGHTING);
     glDisable(GL_TEXTURE_2D);

src/celengine/overlay.cpp

@@ -43,7 +43,7 @@ void Overlay::begin()
     glMatrixMode(GL_MODELVIEW);
     glPushMatrix();
     glLoadIdentity();
-    glTranslatef(0.375f, 0.375f, 0);
+    glTranslatef(0.125f, 0.125f, 0);
 
     glDisable(GL_LIGHTING);
     glDisable(GL_TEXTURE_2D);

src/celengine/render.cpp

@@ -51,14 +51,14 @@ static const int StarVertexListSize = 1024;
 
 // Fractional pixel offset used when rendering text as texture mapped
 // quads to assure consistent mapping of texels to pixels.
-static const float PixelOffset = 0.375f;
+static const float PixelOffset = 0.125f;
 
 // These two values constrain the near and far planes of the view frustum
 // when rendering planet and object meshes.  The near plane will never be
 // closer than MinNearPlaneDistance, and the far plane is set so that far/near
 // will not exceed MaxFarNearRatio.
 static const float MinNearPlaneDistance = 0.0001f; // km
-static const float MaxFarNearRatio      = 10000.0f;
+static const float MaxFarNearRatio      = 2000.0f;
 
 static const float RenderDistance       = 50.0f;
 
@@ -1380,7 +1380,6 @@ void Renderer::render(const Observer& observer,
             float cloudHeight = 0.0f;
             if (iter->body != NULL)
             {
-                // radius = iter->body->getRadius();
                 radius = iter->body->getBoundingRadius();
                 if (iter->body->getRings() != NULL)
                 {