// unsere redering funktion
GLvoid display ( GLvoid )
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
// Objekt drehen und bewegen
glTranslatef(posx,posy,posz);
glRotatef(rotx, 0.0f, 1.0f, 0.0f);
glRotatef(roty, 1.0f, 0.0f, 0.0f);
glRotatef(225.0f, 0.0f, 0.0f, 1.0f);
// licht setzen und anzeigen
glPushMatrix();
glRotatef(rotly, 1.0f, 0.0f, 0.0f);
glRotatef(rotlx, 0.0f, 1.0f, 0.0f);
float l[3];
l[0] = (float)apoint.x;
l[1] = (float)apoint.y;
l[2] = (float)apoint.z;
// lichtpunkt anzeigen
glColor3f( 1.0f, 1.0f, 0.0f);
glPointSize(6.0f);
renderPoint(apoint);
glLightfv(GL_LIGHT0, GL_POSITION, l);
glPopMatrix();
// bbox der datenpunkte anzeigen
glColor3f( 0.0f, 1.0f, 0.0f);
model->box->render();
glEnable(GL_LIGHTING);
// model anzeigen
glColor3f( 1.0f, 1.0f, 1.0f);
// off Daten anzeigen
glPointSize(2.0f);
if (visModel) model->render();
if(visFacesOpt) renderFaces(model2->faces);
if(visFaces) renderFaces(modelNormal->faces);
glDisable(GL_LIGHTING);
glColor3f( 1.0f, 1.0f, 1.0f);
if(visEdgesOpt) renderEdges(model2->edges, number);
if(visEdges) renderEdges(modelNormal->edges, number);
//KD-tree anzeigen
if(visStruktur)
{
glDisable(GL_DEPTH_TEST);
model->visStructure();
glEnable(GL_DEPTH_TEST);
}
// daten raus "spülen" ;) und back/front buffer swappen
glFlush();
glutSwapBuffers ( );
}
void
Surface::renderFacesInSelectionMode(float alpha, Appearance& appearance)
{
renderFaces(alpha, appearance);
}
void
LinearGeometry::render(float alpha, Appearance& appearance)
{
renderFaces(alpha, appearance);
renderEdges(alpha, appearance);
}