OSG_BASE_DLLMAPPING
void extend(CylinderVolume &srcVol, const CylinderVolume &vol)
{
Pnt3f min, max, min1, max1, min2, max2, apos;
Vec2f p;
Vec3f adir;
Real32 r;
if((!srcVol.isValid () && !srcVol.isEmpty()) ||
srcVol.isInfinite() ||
srcVol.isStatic () )
{
return;
}
if(!vol.isValid())
return;
if(srcVol.isEmpty())
{
if(vol.isEmpty())
{
return;
}
else
{
srcVol = vol;
return;
}
}
else if(vol.isEmpty())
{
return;
}
srcVol.getBounds(min, max);
vol .getBounds(min1, max1);
min2 = Pnt3f(osgMin(min.x(), min1.x()),
osgMin(min.y(), min1.y()),
osgMin(min.z(), min1.z()));
max2 = Pnt3f(osgMax(max.x(), max1.x()),
osgMax(max.y(), max1.y()),
osgMax(max.z(), max1.z()));
p = Vec2f(max2.x() - min2.x(), max2.y() - min2.y());
r = (p.length()) * 0.5f;
adir = Vec3f(0.f, 0.f, max2.z() - min2.z());
apos = Pnt3f(p.x(), p.y(), min2.z());
srcVol.setValue(apos, adir, r);
return;
}
OSG_BASE_DLLMAPPING
void extend(CylinderVolume &srcVol, const Volume &vol)
{
const Volume *v = &vol;
const CylinderVolume *cylinder;
#ifndef OSG_2_PREP
const DynamicVolume *dynamic = dynamic_cast<const DynamicVolume *>(v);
if(dynamic)
{
v = &(dynamic->getInstance());
}
#endif
if((cylinder = dynamic_cast<const CylinderVolume *>(v)) != NULL)
{
OSG::extend(srcVol, *cylinder);
}
else
{
CylinderVolume localCylinder;
Pnt3f min, max, apos;
Vec3f adir;
Real32 r;
Vec2f p;
v->getBounds(min, max);
p = Vec2f(max.x() - min.x(), max.y() - min.y());
r = (p.length()) * 0.5f;
adir = Vec3f(0.f, 0.f, max.z() - min.z());
apos = Pnt3f(p.x(), p.y(), min.z());
localCylinder.setValue(apos, adir, r);
OSG::extend(srcVol, localCylinder);
}
return;
}
int main (int argc, char **argv) {
Real32 ent, ex;
int i;
//Lines:
const int nlines = 10;
Line lines[nlines];
Pnt3f pnts[nlines * 2] = {
Pnt3f(0,0,0), Pnt3f(0,1,0),
Pnt3f(0,0,0), Pnt3f(2,1,0),
Pnt3f(2,0,0), Pnt3f(2,1,0),
Pnt3f(-2,0,0), Pnt3f(0,2,0),
Pnt3f(-4,2,0), Pnt3f(0,2,0),
Pnt3f(-3,0,0), Pnt3f(-2,1,0),
Pnt3f(3,4,0), Pnt3f(1,3,0),
Pnt3f(-1,0,0), Pnt3f(-1,1,0),
Pnt3f(-4,0,0), Pnt3f(-3,1,0),
Pnt3f(-4,6,0), Pnt3f(0,6,0)
};
for ( i = 0; i < nlines; i++ )
lines[i].setValue( pnts[i*2], pnts[i*2+1] );
BoxVolume b;
float xmin, ymin, zmin, xmax, ymax, zmax;
xmin = 0;
ymin = 0.5;
zmin = 0;
xmax = 1;
ymax = .5;
zmax = 1;
b.setBounds(xmin, ymin, zmin, xmax, ymax, zmax);
std::cout << std::endl;
b.dump();
std::cout << std::endl;
for ( i = 0 ; i < nlines; i++ )
{
std::cout << "Line: (" << lines[i].getPosition() << ") ("
<< lines[i].getDirection() << ")" << std::endl;
bool res = lines[i].intersect( b, ent, ex );
Pnt3f ep = lines[i].getPosition() + ent * lines[i].getDirection(),
xp = lines[i].getPosition() + ex * lines[i].getDirection();
std::cout << "Result: " << res;
if ( res )
{
std::cout << " enter " << ent << "=(" << ep << ") ";
bool es = ( b.isOnSurface( ep ) || b.intersect( ep ) ),
xs = b.isOnSurface( xp );
if ( ( res && es ) || !res ) std::cout << "ok";
else std::cout << "**BAD**";
std::cout << "; exit " << ex << "=(" << xp << ") ";
if ( ( res && xs ) || !res ) std::cout << "ok";
else std::cout << "**BAD**";
}
std::cout << std::endl;
}
return 0;
SphereVolume s;
float radius;
Vec3f center;
center[0] = 0;
center[1] = 0;
center[2] = 0;
radius = 1;
s.setCenter(center);
s.setRadius(radius);
std::cout << std::endl;
s.dump();
std::cout << std::endl;
for ( i = 0 ; i < nlines; i++ )
{
std::cout << "Line: (" << lines[i].getPosition() << ") ("
<< lines[i].getDirection() << ")" << std::endl;
bool res = lines[i].intersect( s, ent, ex );
Pnt3f ep = lines[i].getPosition() + ent * lines[i].getDirection(),
xp = lines[i].getPosition() + ex * lines[i].getDirection();
std::cout << "Result: " << res;
if ( res )
{
std::cout << " enter " << ent << "=(" << ep << ") ";
bool es = ( s.isOnSurface( ep ) || s.intersect( ep ) ),
xs = s.isOnSurface( xp );
if ( ( res && es ) || !res ) std::cout << "ok";
else std::cout << "**BAD**";
std::cout << "; exit " << ex << "=(" << xp << ") ";
if ( ( res && xs ) || !res ) std::cout << "ok";
else std::cout << "**BAD**";
}
std::cout << std::endl;
}
// Intersect the line with a cylinder.
Pnt3f p;
Vec3f d;
float rad;
p[0] = 0;
p[1] = 1;
p[2] = 0;
d[0] = 0;
d[1] = 4;
d[2] = 0;
rad = 2;
CylinderVolume c;
c.setValue(p, d, rad);
// c.setAxis(p, d);
// c.setRadius(rad);
std::cout << std::endl;
c.dump();
std::cout << std::endl;
for ( i = 0 ; i < nlines; i++ )
{
std::cout << "Line: (" << lines[i].getPosition() << ") ("
<< lines[i].getDirection() << ")" << std::endl;
bool res = lines[i].intersect( c, ent, ex );
Pnt3f ep = lines[i].getPosition() + ent * lines[i].getDirection(),
xp = lines[i].getPosition() + ex * lines[i].getDirection();
std::cout << "Result: " << res;
if ( res )
{
std::cout << " enter " << ent << "=(" << ep << ") ";
bool es = ( c.isOnSurface( ep ) || c.intersect( ep ) ),
xs = c.isOnSurface( xp );
if ( ( res && es ) || !res ) std::cout << "ok";
else std::cout << "**BAD**";
std::cout << "; exit " << ex << "=(" << xp << ") ";
if ( ( res && xs ) || !res ) std::cout << "ok";
else std::cout << "**BAD**";
}
std::cout << std::endl;
}
//### volume intersection ##############################################
std::cout << "### volume intersection test ###" << std::endl;
BoxVolume box(-1,-1,-1,1,1,1);
BoxVolume boxOut (5,5,5,10,10,10);
BoxVolume boxIn(-1,-1,-1,2,2,2);
SphereVolume sphere(Pnt3f(0,0,0),2);
SphereVolume sphereOut(Pnt3f(2,2,2),1);
SphereVolume sphereIn(Pnt3f(1,0,0),1);
CylinderVolume cylinder(Pnt3f(0,0,0),Vec3f(1,1,1),1);
CylinderVolume cylinderOut(Pnt3f(0,9,9),Vec3f(0,0,1),1);
CylinderVolume cylinderIn(Pnt3f(1,0,0),Vec3f(0,1,0),1);
// Frustum defined by normal vector and distance
Plane pnear(Vec3f(0,0,-1),2);
Plane pfar(Vec3f(0,0,1),7);
Plane pright(Vec3f(-0.7071,0,-0.7071),0);
Plane pleft(Vec3f(0.7071,0,-0.7071),0);
Plane ptop(Vec3f(0,-0.7071,-0.7071),0);
Plane pbottom(Vec3f(0,0.7071,-0.7071),0);
FrustumVolume frustum(pnear, pfar, pleft, pright, ptop, pbottom);
//Frustum defined by a clipMatrix
Matrix matrix;
matrix.setValue(0.7071,0,0,0,
0,0.7071,0,0,
0,0,-1.27,-3.959,
0,0,-0.7071,0);
FrustumVolume frustum1;
frustum1.setPlanes(matrix);
// Frustum defined by 8 points
Pnt3f nlt(-2,2,-2);
Pnt3f nlb(-2,-2,-2);
Pnt3f nrt(2,2,-2);
Pnt3f nrb(2,-2,-2);
Pnt3f flt(-7,7,-7);
Pnt3f flb(-7,-7,-7);
Pnt3f frt(7,7,-7);
Pnt3f frb(7,-7,-7);
FrustumVolume frustum2;
frustum2.setPlanes(nlt, nlb, nrt, nrb, flt, flb, frt, frb);
//Tests
std::cout << "Box/box outside test: " << std::flush;
std::cout << (box.intersect(boxOut) ? "**BAD**" : "ok") << std::endl;
std::cout << "Box/box inside test: " << std::flush;
std::cout << (box.intersect(boxIn) ? "ok" : "**BAD**") << std::endl;
std::cout << "Box/sphere outside test: " << std::flush;
std::cout << (box.intersect(sphereOut) ? "**BAD**" : "ok") << std::endl;
std::cout << "Box/sphere inside test: " << std::flush;
std::cout << (box.intersect(sphereIn) ? "ok" : "**BAD**")<< std::endl;
std::cout << "Sphere/sphere outside test: " << std::flush;
std::cout << (sphere.intersect(sphereOut) ? "**BAD**" : "ok") << std::endl;
std::cout << "Sphere/sphere inside test: " << std::flush;
std::cout << (sphere.intersect(sphereIn) ? "ok" : "**BAD**") << std::endl;
std::cout << "Box/cylinder outside test: " << std::flush;
std::cout << (box.intersect(cylinderOut) ? "**BAD**" : "ok") << std::endl;
std::cout << "Box/cylinder inside test: " << std::flush;
std::cout << (box.intersect(cylinderIn) ? "ok" : "**BAD**") << std::endl;
std::cout << "Sphere/cylinder outside test: " << std::flush;
std::cout << (sphere.intersect(cylinderOut) ? "**BAD**" : "ok") << std::endl;
std::cout << "Sphere/cylinder inside test: " << std::flush;
std::cout << (sphere.intersect(cylinderIn) ? "ok" : " **BAD**") << std::endl;
std::cout << "Cylinder/cylinder outside test: "<<std::flush;
std::cout << (cylinder.intersect(cylinderOut) ? "**BAD**" : "ok")<<std::endl;
std::cout << "Cylinder/cylinder inside test: "<<std::flush;
std::cout << (cylinder.intersect(cylinderIn) ? "ok" : " **BAD** ")<<std::endl;
std::cout << "Box/Frustum outside test : " << std::flush;
std::cout << (boxOut.intersect(frustum) ? "**BAD**" : "ok") << std::endl;
std::cout << "Box/Frustum inside test : " << std::flush;
std::cout << (boxIn.intersect(frustum) ? "ok" : "**BAD**") << std::endl;
std::cout << "Sphere/Frustum outside test : " << std::flush;
std::cout << (sphereOut.intersect(frustum) ? "**BAD**" : "ok") << std::endl;
std::cout << "Sphere/Frustum inside test : " << std::flush;
std::cout << (sphereIn.intersect(frustum) ? "ok" : "**BAD**") << std::endl;
std::cout << "Cylinder/Frustum outside test : " << std::flush;
std::cout << (cylinderOut.intersect(frustum) ? "**BAD**" : "ok") << std::endl;
std::cout << "Cylinder/Frustum inside test : " << std::flush;
std::cout << (cylinderIn.intersect(frustum) ? "ok" : "**BAD**") << std::endl;
std::cout << "Cylinder/Sphere outside test: " << std::flush;
std::cout << (cylinderOut.intersect(sphere) ? "**BAD**" : "ok") << std::endl;
//###VOLUME EXTENSION################################################
std::cout << "### volume extension test ###" << std::endl;
Pnt3f min,max;
//Box extension
extend(box, boxIn);
box.getBounds(min,max);
std::cout<< "min of the box : " <<min<<std::endl;
std::cout<< "max of the box : " <<max<<std::endl;
extend(box,sphere);
box.getBounds(min,max);
std::cout<< "min of the box : " <<min<<std::endl;
std::cout<< "max of the box : " <<max<<std::endl;
extend(box,cylinder);
box.getBounds(min,max);
std::cout<< "min of the box : " <<min<<std::endl;
std::cout<< "max of the box : " <<max<<std::endl;
//Sphere extension
extend(sphere, box);
std::cout<<"Center of the sphere : " <<sphere.getCenter()<<std::endl;
std::cout<<"Radius of the sphere : " <<sphere.getRadius()<<std::endl;
extend(sphere, sphereOut);
std::cout<<"Center of the sphere : " <<sphere.getCenter()<<std::endl;
std::cout<<"Radius of the sphere : " <<sphere.getRadius()<<std::endl;
extend(sphere, cylinder);
std::cout<<"Center of the sphere : " <<sphere.getCenter()<<std::endl;
std::cout<<"Radius of the sphere : " <<sphere.getRadius()<<std::endl;
//Cylinder extension
extend (cylinder, box);
cylinder.getBounds(min,max);
std::cout<< "min of the cylinder : " <<min<<std::endl;
std::cout<< "max of the cylinder : " <<max<<std::endl;
extend (cylinder, sphere);
cylinder.getBounds(min,max);
std::cout<< "min of the cylinder : " <<min<<std::endl;
std::cout<< "max of the cylinder : " <<max<<std::endl;
extend (cylinder, cylinder);
cylinder.getBounds(min,max);
std::cout<< "min of the cylinder : " <<min<<std::endl;
std::cout<< "max of the cylinder : " <<max<<std::endl;
return 0;
}