* Fix the transparency in the 3D palette viewer.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/research@2762 92316355-f0b4-4df1-b90c-862c8a59935f

2008-rubik/colorcube/visu.c

@@ -26,9 +26,13 @@ static void myinit(void)
     glClearColor(0.5, 0.5, 0.7, 0.0);
     glColor3f(1.0, 1.0, 1.0);
 
+    glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
+    glDisable(GL_CULL_FACE);
+
+    glShadeModel(GL_SMOOTH);
+    glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glEnable(GL_DEPTH_TEST);
-    glShadeModel(GL_SMOOTH);
 
     setcamera();
 
@@ -70,7 +74,7 @@ static void reshape(int w, int h)
 }
 
 #define F(x) ((x)*1.01 - 0.005)
-#define CP       glColor4f(x0,y0,z0,0.5); glVertex3f(x0,y0,z0)
+#define CP       glColor4f(x0,y0,z0,0.9); glVertex3f(x0,y0,z0)
 #define BP       glColor3f(0.0,0.0,0.0); glVertex3f(F(x0),F(y0),F(z0))
 #define BLACK    x0 = y0 = z0 = 0.0
 #define RED      x0 = 1.0; y0 = z0 = 0.0
@@ -127,7 +131,7 @@ static void display(void)
             WHITE; BP; XRED; BP;
         glEnd();
         glTranslatef(.5, .5, .4);
-        glColor4f(.5, .5, .5, .5);
+        glColor4f(.2, .2, .2, .5);
         glBegin(GL_QUADS);
             glVertex3f(0.891063,-0.45388,0);
             glVertex3f(0.0773943,0.151941,-0.985355);