void Renderer::drawMirrorPass(){
glVectord mirrorNormal = coverPos.getMirrorNormal();
glVectord mirrorCenter = coverPos.getMirrorCenter();
double mirrorDist; // distance from origin
mirrorDist = mirrorCenter * mirrorNormal;
glVectord mirrorPos = mirrorDist * mirrorNormal;
glVectord scaleAxis(1, 0, 0);
glVectord rotAxis = scaleAxis.cross(mirrorNormal);
double rotAngle = rad2deg(scaleAxis.intersectAng(mirrorNormal));
rotAngle = -2*rotAngle;
if (glFogCoordf){
GLfloat fogColor[4] = {GetRValue(cfgPanelBg)/255.0f, GetGValue(cfgPanelBg)/255.0f, GetBValue(cfgPanelBg)/255.0f, 1.0f};
glFogfv(GL_FOG_COLOR, fogColor);
glEnable(GL_FOG);
}
glPushMatrix();
glTranslated(2 * mirrorPos.x, 2 * mirrorPos.y, 2 * mirrorPos.z);
glScalef(-1.0f, 1.0f, 1.0f);
glRotated(rotAngle, rotAxis.x, rotAxis.y, rotAxis.z);
drawCovers();
glPopMatrix();
if (glFogCoordf)
glDisable(GL_FOG);
}
void Renderer::drawScene(bool selectionPass)
{
glLoadIdentity();
gluLookAt(
coverPos.getCameraPos().x, coverPos.getCameraPos().y, coverPos.getCameraPos().z,
coverPos.getLookAt().x, coverPos.getLookAt().y, coverPos.getLookAt().z,
coverPos.getUpVector().x, coverPos.getUpVector().y, coverPos.getUpVector().z);
pfc::array_t<double> clipEq;
if (coverPos.isMirrorPlaneEnabled()){
clipEq = getMirrorClipPlane();
if (!selectionPass){
glClipPlane(GL_CLIP_PLANE0, clipEq.get_ptr());
glEnable(GL_CLIP_PLANE0);
glPushName(SELECTION_MIRROR);
drawMirrorPass();
glPopName();
glDisable(GL_CLIP_PLANE0);
drawMirrorOverlay();
}
// invert the clip equation
for (int i=0; i < 4; i++){
clipEq[i] *= -1;
}
glClipPlane(GL_CLIP_PLANE0, clipEq.get_ptr());
glEnable(GL_CLIP_PLANE0);
}
glPushName(SELECTION_COVERS);
drawCovers(true);
glPopName();
if (coverPos.isMirrorPlaneEnabled()){
glDisable(GL_CLIP_PLANE0);
}
}
void displayObjects(int frame_no, int sceneRotation)
{
GLfloat mat_diffuse[] = { lightIntense*0.5, lightIntense*0.5, lightIntense*0.5, 1.0 };
glLightfv(GL_LIGHT1, GL_DIFFUSE, mat_diffuse);
reshape (glutGet (GLUT_WINDOW_WIDTH),glutGet (GLUT_WINDOW_HEIGHT));
glDepthMask(GL_TRUE);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glPushMatrix(); //scene
//glTranslatef( 0.0, 0.0, -55.0 );
//glRotatef( 180.0, 1.0, 0.0, 0.0 );
//glRotatef( 90.0, 0.0, 1.0, 0.0 );
glPushMatrix(); //group 1
//glRotatef( 45*sin((float)sceneRotation*0.01), 1.0, 0.0, 0.0 );
//glRotatef( 100.0, 0.0, 1.0, 0.0 );
//glRotatef( (float)sceneRotation*1.0, 0.0, 1.0, 0.0 );
glPushMatrix();
//drawHelpers();
glPopMatrix();
glPushMatrix();
drawRoom();
drawCrankshaft(frame_no );
draw4Pistons( frame_no );
putFlywheel(frame_no);
drawCovers(frame_no + 90, transEnable);
//drawValve();
//drawCamshaft(); //debug
//drawCamshaftCoverLeft(); // debug
//drawTriangle(); // debug
//drawFlywheel(); // debug
//drawCamshaftMechanism(); //debug
glPopMatrix();
glPopMatrix(); //end of group 1
glPopMatrix(); //end of scene
}