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void CScene::IncludeObjects()
{
// Reset All.
ExcludeObjects();
// fill Vershiny of piramid...
point3d versh[4];
point3d eye = {IniSet.ptCamPos.x, IniSet.ptCamPos.y, IniSet.ptCamPos.z};
Screen2World(0, 0, versh[0]);
Screen2World(nScreenSzX, 0, versh[1]);
Screen2World(nScreenSzX, nScreenSzY, versh[2]);
Screen2World(0, nScreenSzY, versh[3]);
// Increase before OO...
int ix, sz = parrObjs.Size();
point3d vect;
for(ix = 0; ix < 4; ix++){
sub_vectors(&vect.x, &versh[ix].x, &eye.x);
norm_vect(&vect.x);
scale_vect(&vect.x, 200.f);
versh[ix] = vect;
}
// Create faces of piramid and search collision with it...
point3d Piramid[4][3];
Piramid[0][0] = eye;
Piramid[1][0] = eye;
Piramid[2][0] = eye;
Piramid[3][0] = eye;
Piramid[0][1] = versh[0];
Piramid[0][2] = versh[1];
Piramid[1][1] = versh[1];
Piramid[1][2] = versh[2];
Piramid[2][1] = versh[2];
Piramid[2][2] = versh[3];
Piramid[3][1] = versh[3];
Piramid[3][2] = versh[0];
// Dyadya WALERA!!!!
for(ix = nObjOff; ix < sz; ix++){
CObj3d *pObj = parrObjs.e(ix);
pObj->Transform(FALSE);
point3d ptPos = pObj->GetPosition();
if(IniSet.nIncludeObjectMode == WS_INCLUDE_BARYCENTER){
point3d ptCentr = IniSet.ptCamTarget;
point3d vtVect;
sub_vectors(&vtVect.x, &ptPos.x, &ptCentr.x);
plane plGran;
point3d ptCross;
for(int jx = 0; jx < 4; jx++){
comp_plane_eqn(&plGran.a, &Piramid[jx][0].x, &Piramid[jx][1].x, &Piramid[jx][2].x);
cross_line_plane(vtVect, &plGran.a, ptCentr, ptCross);
float f1, f2;
f1 = plGran.a * ptPos.x + plGran.b * ptPos.y + plGran.c * ptPos.z + plGran.d;
f2 = plGran.a * ptCentr.x + plGran.b * ptCentr.y + plGran.c * ptCentr.z + plGran.d;
if(f1 * f2 < 0.f){
if(point_in_triangle(Piramid[jx][0], Piramid[jx][1], Piramid[jx][2], ptCross)){
ptCross = ConvertPos3D(ptCross);
if(IniSet.bMirrorH){ ptCross.y = -ptCross.y; }
if(IniSet.bMirrorV){ ptCross.x = -ptCross.x; }
if(IniSet.bMirrorD){ ptCross.z = -ptCross.z; }
transform_back_point(&ptCross, &ptCross, &IniSet.mtMatr);
pObj->ptSavedPos = ptCross;
break;
}
}
}
}else{ // XYZ Axes.
point3d vtXYZ[3] = {{1.f, 0.f, 0.f},
{0.f, 1.f, 0.f},
{0.f, 0.f, 1.f}};
BOOL bFound = FALSE;
for(int ax = 0; ax < 3; ax++){
point3d vtVect;
transform_point(&vtVect, &vtXYZ[ax], &IniSet.mtMatr);
for(int jx = 0; jx < 4; jx++){
plane plGran;
comp_plane_eqn(&plGran.a, &Piramid[jx][0].x, &Piramid[jx][1].x, &Piramid[jx][2].x);
point3d ptCentr = IniSet.ptCamTarget;
point3d ptCross;
cross_line_plane(vtVect, &plGran.a, ptPos, ptCross);
float f1, f2;
f1 = plGran.a * ptPos.x + plGran.b * ptPos.y + plGran.c * ptPos.z + plGran.d;
f2 = plGran.a * ptCentr.x + plGran.b * ptCentr.y + plGran.c * ptCentr.z + plGran.d;
point3d vtDif;
sub_vectors(&vtDif.x, &ptCross.x, &IniSet.ptCamPos.x);
if(vec_length(&vtDif.x) < 0.01f){ continue; } // avoid crossing with eye.
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