manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

aggiunto: 

- l' enum dei tipi  PERSPECTIVE,  ORTHO, ISOMETRIC,  CAVALIERI
- inline void SetCavalieri(...)
- inline void SetIsometric(...)

- modificato
- void SetOrtho( .. )
This commit is contained in:
Paolo Cignoni 2005-06-29 14:59:03 +00:00
parent 42831cd32b
commit 494f6ccff7
1 changed files with 65 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
vcg/math/camera.h
View File

@ -23,6 +23,9 @@
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.19 2005/02/22 10:57:58 tommyfranken
Corrected declaration and some syntax errors in GetFrustum
Revision 1.18 2005/02/21 18:11:07 ganovelli
GetFrustum moved from gl/camera to math/camera.h
@ -93,6 +96,15 @@ creation
namespace vcg{
enum {
PERSPECTIVE = 0,
ORTHO = 1,
ISOMETRIC = 2,
CAVALIERI = 3
};
template<class S>
class Camera
{
@ -102,7 +114,7 @@ public:
f(0.f),s(vcg::Point2<S>(0.0,0.0)),
c(vcg::Point2<S>(0.0,0.0)),
viewport(vcg::Point2<int>(0,0)),
_flags(0),viewportM(1)
_flags(0),viewportM(1), cameraType(0)
{}
S f; // Focal Distance (cioe' la distanza del piano immagine dal centro di proiezione
@ -117,13 +129,20 @@ public:
S viewportM; // ratio between viewport in pixel and size (useful to avoid chancing s or viewport when
// zooming a ortho camera (for a perspective camera it is 1)
enum{
/*enum{
ORTHO_BIT = 0x01 // true if the camera is orthogonal
};
};*/
char _flags;
bool IsOrtho(){ return (_flags & ORTHO_BIT);}
void SetOrtho(bool v, S dist )
int cameraType;
//bool IsOrtho(){ return (_flags & ORTHO_BIT);}
/*void SetOrtho(bool v, S dist )
{
if(v)
{
@ -132,12 +151,30 @@ public:
}
else _flags &= ~ORTHO_BIT;
};
};*/
char & UberFlags() {return _flags;}
void SetOrtho(S dist )
{
cameraType = ORTHO;
viewportM = ( ((viewport[0] * s[0]) * (viewport[1] * s[1])) / f ) * dist;
};
/// set the camera specifying the perspecive view
inline void SetPerspective(S angle, S ratio, S nearend, S farend,vcg::Point2<S> viewport=vcg::Point2<S>(500,-1) );
/// set the camera specifying the cavalieri view
inline void SetCavalieri(S sx, S dx, S bt, S tp, S nearend, S farend, vcg::Point2<S> viewport=vcg::Point2<S>(500,-1) );
/// set the camera specifying the isometric view
inline void SetIsometric(S sx, S dx, S bt, S tp, S nearend, S farend, vcg::Point2<S> viewport=vcg::Point2<S>(500,-1) );
/// set the camera specifying the frustum view
inline void SetFrustum(S dx, S sx, S bt, S tp, S nearend, S farend,vcg::Point2<S> viewport=vcg::Point2<S>(500,-1));
@ -189,6 +226,23 @@ vcg::Point2<S> Camera<S>::LocalTo_neg1_1(const vcg::Point2<S> & p){
return ps;
}
/// set the camera specifying the cavalieri view
template<class S>
void Camera<S>::SetCavalieri(S sx, S dx, S bt, S tp, S nearend, S farend, vcg::Point2<S> viewport=vcg::Point2<S>(500,-1) )
{
cameraType = CAVALIERI;
SetFrustum(sx, dx, bt, tp, nearend,farend,viewport);
}
/// set the camera specifying the isometric view
template<class S>
void Camera<S>::SetIsometric(S sx, S dx, S bt, S tp, S nearend, S farend, vcg::Point2<S> viewport=vcg::Point2<S>(500,-1) )
{
cameraType = ISOMETRIC;
SetFrustum(sx, dx, bt, tp, nearend,farend,viewport);
}
/// set the camera specifying the perspective view
template<class S>
void Camera<S>::SetPerspective( S angle,
@ -197,12 +251,15 @@ template<class S>
S far_thr,
vcg::Point2<S> vp)
{
cameraType = PERSPECTIVE;
S halfsize[2];
halfsize[1] = tan(math::ToRad(angle/2)) * near_thr;
halfsize[0] = halfsize[1]*ratio;
SetFrustum(-halfsize[0],halfsize[0],-halfsize[1],halfsize[1],near_thr,far_thr,vp);
}
/// set the camera specifying the frustum view
template<class S>
void Camera<S>::SetFrustum( S sx,