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Cleaning up and planes init more stable.

This commit is contained in:
Federico Ponchio 2004-10-04 12:33:02 +00:00
parent f480f01a3f
commit 37e7cd9ada
1 changed files with 16 additions and 23 deletions
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39
wrap/gui/frustum.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $
Revision 1.5 2004/09/28 10:23:28 ponchio
Various generic changes.
Revision 1.4 2004/05/12 20:55:18 ponchio
*** empty log message ***
@ -43,6 +46,8 @@ Adding copyright.
#include <vcg/space/plane3.h>
#include <vcg/space/line3.h>
#include <iostream>
using namespace std;
namespace vcg {
@ -85,7 +90,7 @@ template <class T> bool Frustum<T>::IsOutside(Point3<T> &point) {
template <class T> bool Frustum<T>::IsOutside(Point3<T> &point, T radius) {
for(int i = 0; i < 4; i++) {
T dist = Distance(point, i);
T dist = Distance(point, i);
if(dist < -radius)
return true;
}
@ -93,18 +98,17 @@ template <class T> bool Frustum<T>::IsOutside(Point3<T> &point, T radius) {
}
template <class T> T Frustum<T>::Distance(Point3<T> &point, int plane) {
return Distance(point, planes[plane]);
return vcg::Distance(planes[plane], point);
}
template <class T> void Frustum<T>::GetView() {
View<T>::GetView();
// Point3d NE, SE, SW, NW, ne, se, sw, nw;
int t = viewport[1] + viewport[3];
int b = viewport[1];
int r = viewport[0] + viewport[2];
int l = viewport[0];
Point3<T> nw = UnProject(Point3<T>(l, b, 0));
Point3<T> sw = UnProject(Point3<T>(l, t, 0));
Point3<T> ne = UnProject(Point3<T>(r, b, 0));
@ -114,29 +118,18 @@ template <class T> void Frustum<T>::GetView() {
Point3<T> NE = UnProject(Point3<T>(r, b, 1));
Point3<T> SE = UnProject(Point3<T>(r, t, 1));
/* gluUnProject(l,b,0,model,proj,viewport,&nw[0], &nw[1], &nw[2]);
gluUnProject(l,t,0,model,proj,viewport,&sw[0], &sw[1], &sw[2]);
gluUnProject(r,b,0,model,proj,viewport,&ne[0], &ne[1], &ne[2]);
gluUnProject(r,t,0,model,proj,viewport,&se[0], &se[1], &se[2]);
gluUnProject(l,b,1,model,proj,viewport,&NW[0], &NW[1], &NW[2]);
gluUnProject(l,t,1,model,proj,viewport,&SW[0], &SW[1], &SW[2]);
gluUnProject(r,b,1,model,proj,viewport,&NE[0], &NE[1], &NE[2]);
gluUnProject(r,t,1,model,proj,viewport,&SE[0], &SE[1], &SE[2]);*/
view_point = View<T>::ViewPoint();
planes[0].Init(view_point, nw, ne);
planes[1].Init(view_point, ne, se);
planes[2].Init(view_point, se, sw);
planes[3].Init(view_point, sw, nw);
planes[0].Init(nw, NW, NE);
planes[1].Init(ne, NE, SE);
planes[2].Init(se, SE, SW);
planes[3].Init(sw, SW, NW);
planes[4].Init(se, sw, nw);
planes[5].Init(SW, SE, NE);
for(int i = 0; i < 6; i++)
planes[i].Normalize();
//calcoliamo la risoluzione: dimenzione di un pixel a distanza 1 dal view_point
resolution = ((ne + NE) - (nw + NW)).Norm() /( viewport[2] * ((ne + NE) - view_point).Norm());
//compute resolution: sizeo of a pixel unitary distance from view_point
resolution = ((ne + NE) - (nw + NW)).Norm() /
(viewport[2] * ((ne + NE) - view_point).Norm());
}
}//namespace