fixed material shader Bug

A1/hellocube/cubewidget.cpp

@@ -86,8 +86,8 @@ void CubeWidget::paintGL ( )
     GLfloat yellow[] = {1.0,1.0,0.0};
     float increment = 1.0/(pow(2,tesselation));
 
-    glBegin(GL_QUADS);
     setMaterial(red);
+    glBegin(GL_QUADS);
     glNormal3f(0,1,0);
     for (float x = -0.5; x < 0.5 ; x+= increment) {
         for (float y = -0.5; y < 0.5 ; y+= increment ) {
@@ -99,8 +99,9 @@ void CubeWidget::paintGL ( )
     }
     glEnd();
 
-    glBegin(GL_QUADS);
+
     setMaterial(magenta);
+    glBegin(GL_QUADS);
     glNormal3f(0,-1,0);
     for (float x = -0.5; x < 0.5 ; x+= increment) {
         for (float y = -0.5; y < 0.5 ; y+= increment ) {
@@ -112,8 +113,9 @@ void CubeWidget::paintGL ( )
     }
     glEnd();
 
-    glBegin(GL_QUADS);
+
     setMaterial(green);
+    glBegin(GL_QUADS);
     glNormal3f(0,0,1);
     for (float x = -0.5; x < 0.5 ; x+= increment) {
         for (float y = -0.5; y < 0.5 ; y+= increment ) {
@@ -125,8 +127,9 @@ void CubeWidget::paintGL ( )
     }
     glEnd();
 
-    glBegin(GL_QUADS);
+
     setMaterial(yellow);
+    glBegin(GL_QUADS);
     glNormal3f(0,0,-1);
     for (float x = -0.5; x < 0.5 ; x+= increment) {
         for (float y = -0.5; y < 0.5 ; y+= increment ) {
@@ -138,8 +141,9 @@ void CubeWidget::paintGL ( )
     }
     glEnd();
 
-    glBegin(GL_QUADS);
+
     setMaterial(blue);
+    glBegin(GL_QUADS);
     glNormal3f(-1,0,0);
     for (float x = -0.5; x < 0.5 ; x+= increment) {
         for (float y = -0.5; y < 0.5 ; y+= increment ) {
@@ -150,8 +154,10 @@ void CubeWidget::paintGL ( )
         }
     }
     glEnd();
-    glBegin(GL_QUADS);
+
+
     setMaterial(cyan);
+    glBegin(GL_QUADS);
     glNormal3f(1,0,0);
     for (float x = -0.5; x < 0.5 ; x+= increment) {
         for (float y = -0.5; y < 0.5 ; y+= increment ) {