laptop support

A1/hellocube/cubewidget.cpp

@@ -31,7 +31,7 @@ void CubeWidget::initializeGL ()
     glEnable(GL_LIGHT0);
     static GLfloat lightPosition[4] = { 0.5, 0.0, 2.0, 1.0 };
     glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
-    GLfloat white[] = {1.0,1.0,1.0};
+    //GLfloat white[] = {1.0,1.0,1.0};
     //glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
     //glLightfv(GL_LIGHT0, GL_SPECULAR, white);
     //glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 2.0f);
@@ -283,7 +283,7 @@ void CubeWidget::move(QVector3D *newPos )
     QVector3D axis = QVector3D::crossProduct(*lastPos,*newPos);
 
     //warum so besser
-    float angle = 180 / M_PI * std::asin(std::sqrt(QVector3D::dotProduct(axis, axis)));
+    float angle = 180 / M_PI * asin(sqrt(QVector3D::dotProduct(axis, axis)));
     axis.normalize();
 
     //axis = rotation->conjugate().rotatedVector(axis);

A1/hellocube/cubewidget.h

@@ -44,7 +44,6 @@ private:
     int zoom;
     QQuaternion *rotation;
     QVector3D *lastPos;
-    bool mousDown = false;
 
     QGLShaderProgram *shader;
 

A1/hellocube/phong.frag

-uniform gl_LightSourceParameters gl_LightSource[gl_MaxLights];
-uniform gl_MaterialParameters gl_FrontMaterial;
-uniform gl_LightModelProducts gl_FrontLightModelProduct;
-
 varying vec3 position;
 varying vec3 normal;
 
 void main(void)
 {
     vec3 N = normalize(normal);
-    vec3 L = normalize(gl_LightSource[0].position-position);
+    vec3 L = normalize(gl_LightSource[0].position.xyz-position);
 
     vec4 diffuse = vec4(max(dot(L,N),0.0));