rotation-translate-Verschiebung gelöst: verschieben->rotieren->zurückschieben

helloqube/helloqube.pro.user

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.5.1, 2015-11-01T13:07:11. -->
+<!-- Written by QtCreator 3.5.1, 2015-11-01T21:26:19. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

helloqube/mainwindow.cpp

@@ -98,6 +98,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     //reset Camera button
     resetCameraAction = new QAction("Reset Camera",toolBar);
+    resetCameraAction->setIcon(QIcon(":/img/cam_home.png"));
     connect(resetCameraAction,SIGNAL(triggered(bool)),myGLWidget,SLOT(resetCamera()));
     toolBar->addAction(resetCameraAction);
 

helloqube/myglwidget.cpp

@@ -46,7 +46,9 @@ void MyGLWidget::initializeGL()
     glClearColor(0.0, 0.0, 0.0, 0.0);//TODO brauch ich das?
     glEnable(GL_DEPTH_TEST);//TODO warum genau?
 
-//    glEnable(GL_CULL_FACE);//backface culling
+    shadeFlatSlot();//set up flat shading
+
+//    glEnable(GL_CULL_FACE);//backface culling.
 //    glCullFace(GL_BACK);//backface culling
 
 //    glEnable(GL_COLOR_MATERIAL); //Habe ich für glColor3f gebraucht. Wieder raus für Material. //In order to use both color and lighting you must activate openGL color materials
@@ -73,24 +75,6 @@ example, the background color.
  */
     static GLfloat lightPosition[4] = {0.5, 0.0, 2.0, 1.0};
     glLightfv(GL_LIGHT0,GL_POSITION,lightPosition);//set Position of light source.
-
-
-    //HelloGL Example:
-/*
-    qglClearColor(qtPurple.dark());
-
-    logo = new QtLogo(this, 64);
-    logo->setColor(qtGreen.dark());
-
-    glEnable(GL_DEPTH_TEST);
-    glEnable(GL_CULL_FACE);
-    glShadeModel(GL_SMOOTH);
-    glEnable(GL_LIGHTING);
-    glEnable(GL_LIGHT0);
-    glEnable(GL_MULTISAMPLE);
-    static GLfloat lightPosition[4] = { 0.5, 5.0, 7.0, 1.0 };
-    glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
-*/
 }
 
 void MyGLWidget::paintGL(){
@@ -105,20 +89,25 @@ void MyGLWidget::paintGL(){
     double qubeWidth = 1.0;
     double dist = qubeWidth/(double)tesselation;
 
+
+    QMatrix4x4 translateRot1 = QMatrix4x4(1,0,0,tx,0,1,0,ty,0,0,1,0,0,0,0,1);
+    QMatrix4x4 translateRot2 = QMatrix4x4(1,0,0,-tx,0,1,0,-ty,0,0,1,0,0,0,0,1);
+
     //for cube rotation
     QMatrix4x4 m = QMatrix4x4();
     m.rotate(qubeRotationQuaternion);
+    glMultMatrixf(translateRot1.data());//Punkte ins zentrum verschieben damit rotation um qube zentrum ist
     glMultMatrixf(m.data());
+    glMultMatrixf(translateRot2.data());//Punkte zurück verschieben
 
     //4.1.1 Unit Qube + Tesselation + Diffuse Material
     {
     glBegin(GL_QUADS);
 
-    //TODO später einfügen.
-//    GLfloat specularColor[] = {1,1,1};
-//    GLfloat shininess[] = {100};//specular exponent
-//    glMaterialfv(GL_FRONT,GL_SPECULAR,specularColor);
-//    glMaterialfv(GL_FRONT,GL_SHININESS,shininess);
+    GLfloat specularColor[] = {1,1,1};
+    GLfloat shininess[] = {128};//specular exponent
+    glMaterialfv(GL_FRONT,GL_SPECULAR,specularColor);
+    glMaterialfv(GL_FRONT,GL_SHININESS,shininess);
 
     //vorne // z-Achse
 //    glColor3f(0,0,1);//blau