From 78734bad16b29ddc9fd4cbf4b36ae5977694e980 Mon Sep 17 00:00:00 2001
From: josh <josh@bd8a9e45-a331-0410-811e-c64571078777>
Date: Thu, 21 Oct 2010 21:01:00 +0000
Subject: [PATCH] fixed display problem with gluPerspective() (aspect ratio
 doing integer division)

git-svn-id: svn://anubis/misc/sierpinski-gtk@249 bd8a9e45-a331-0410-811e-c64571078777
---
 SierpinskiDA.cc   | 14 +++-----------
 sierpinski-gtk.cc |  4 +++-
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/SierpinskiDA.cc b/SierpinskiDA.cc
index 8afc38b..3ea1599 100644
--- a/SierpinskiDA.cc
+++ b/SierpinskiDA.cc
@@ -65,22 +65,14 @@ bool SierpinskiDA::draw()
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
-    gluPerspective(60, get_width()/get_height(), 0.01, 1000.0);
+    gluPerspective(60, get_width()/(double)get_height(), 0.01, 1000.0);
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();
-    gluLookAt(0, -2, 0,
-              0, 0, 0,
+    gluLookAt(0, -3, 1,
+              0, 0, 0.7,
               0, 0, 1);
 
     glCallList(m_dl);
-    glBegin(GL_QUADS);
-    glColor3f(1, 1, 1);
-    glNormal3f(0, -1, 0);
-    glVertex3f(1, 0, 1);
-    glVertex3f(-1, 0, 1);
-    glVertex3f(-1, 0, -1);
-    glVertex3f(1, 0, -1);
-    glEnd();
 
     if (get_gl_window()->is_double_buffered())
         get_gl_window()->swap_buffers();
diff --git a/sierpinski-gtk.cc b/sierpinski-gtk.cc
index cd946f5..e1c2042 100644
--- a/sierpinski-gtk.cc
+++ b/sierpinski-gtk.cc
@@ -34,7 +34,7 @@ int main(int argc, char * argv[])
     }
 
     Gtk::Window mw;
-    mw.set_default_size(400, 500);
+    mw.set_default_size(400, 420);
 
     Gtk::VBox vbox;
     SierpinskiDA da(glconfig);
@@ -43,4 +43,6 @@ int main(int argc, char * argv[])
     mw.show_all();
 
     Gtk::Main::run(mw);
+
+    return 0;
 }