int main(int argc, char* argv[])
{
cout << "Enter 3 sides of triangle." << endl;
string commandLine;
getline(cin, commandLine);
while (!cin.eof())
{
array<double, 3> args;
try
{
args = GetArguments(commandLine);
CTriangle triangle = CTriangle(args[0], args[1], args[2]);
cout << "S = " << triangle.GetArea() << ", P = " << triangle.GetPerimeter() << endl;
}
catch (exception &e)
{
cout << e.what() << endl;
}
getline(cin, commandLine);
}
return 0;
}
bool CEditableElementCommon::intersect(const NLMISC::CVector &rayStart, const NLMISC::CVector &rayEnd, NLMISC::CVector &rayHit, const NLMISC::CMatrix &mat)
{
//return true;
//CMatrix mat = mesh()->getMatrix();
CMatrix imat = mat;
imat.invert();
//rayEnd = imat * rayEnd;
//rayStart = imat * rayStart;
uint32 i;
for(i = 0; i<NbFaces; i++)
{
CTriangle tri;
tri.V0 = mat * Vertices[Indices[i*3+0]];
tri.V1 = mat * Vertices[Indices[i*3+1]];
tri.V2 = mat * Vertices[Indices[i*3+2]];
CPlane p;
p.make(tri.V0,tri.V1,tri.V2);
CVector hit;
bool res = tri.intersect(rayStart,rayEnd,hit,p);
if(res)
{
rayHit = hit;
return true;
}
}
return false;
}
int main() {
CRectangle rect;
CTriangle trgl;
rect.set_values(4,5);
trgl.set_values(4,5);
cout << rect.area() << endl;
cout << trgl.area() << endl;
return 0;
}
int main(){
CRectangle rect;
CTriangle trgl;
rect.set_values(4, 5);
trgl.set_values(4, 5);
rect.output(rect.area());
trgl.output(trgl.area());
return 0;
}
int main(){
CRectangle rect;
CTriangle trgl;
CPolygon*ppoly1 = ▭
CPolygon&ppoly2 = &trgl;
ppoly1->set_values (4,5);
ppoly2->set_values (4,5);
cout << rect.area() << endl;
cout << trgl.area() << endl;
return 0;
}
void testFunction ()
{
int a,b;
CRectangle rect;
CTriangle trgl;
CPolygon * ppoly1 = ▭
CPolygon * ppoly2 = &trgl;
ppoly1->set_values (4,5);
ppoly2->set_values (4,5);
a = rect.area();
b = trgl.area();
}
BOOL CConvexHullGenerator::NotContained(SFloat3* psPosition)
{
SFreeListIterator sIter;
CTriangle* pcTriangle;
pcTriangle = (CExtremeTriangle*)mcTriangles.StartIteration(&sIter);
while (pcTriangle)
{
if (pcTriangle->NotContains(psPosition))
{
return TRUE;
}
pcTriangle = (CExtremeTriangle*)mcTriangles.Iterate(&sIter);
}
return FALSE;
}
int main () {
CPolygon* polygons[4];
polygons[0] = new CRectangle(20,30);
polygons[1] = new CTriangle(20,25);
polygons[2] = new CCircle(25,25);
polygons[3] = new CSquare(18,18);
for(int i = 0; i < 4; i++)
{
CTriangle* trin = dynamic_cast <CTriangle *> (polygons[i]);
if (trin != 0)
{
trin->set_values(10, 10);
assert(trin->area() != 50);
}
CCircle* circ = dynamic_cast <CCircle *> (polygons[i]);
if (circ != 0)
{
circ->set_values(10, 10);
assert(circ->area() != 78);
}
CSquare* sqrr = dynamic_cast <CSquare *> (polygons[i]);
if (sqrr != 0)
{
sqrr->set_values(10, 10);
assert(sqrr->area() != 100);
}
CRectangle* rect = dynamic_cast <CRectangle *> (polygons[i]);
if (rect != 0)
{
rect->set_values(10, 20);
assert(rect->area() != 200);
}
}
/*
*/
return 0;
}
int main()
{
// Here we make an instances of our "specific shape classes"
CTriangle triangle;
CSquare square;
// **Note -- Every time we make an instance of any of CTriangle or CSquare,
// that instance will have a hidden member variable called a vtable pointer (vptr).
// This member variable will point to the class's vtable the object was created from.
// Notice this function takes a CShape&, but remember CTriangle was derived from
// CShape, so it is a "CShape". Also notice WE DO NOT have to typecast.
Draw(triangle); // This should draw a triangle to the screen
Draw(square); // This should draw a square to the screen
// Again, this should draw a triangle to the screen
triangle.draw();
return EXIT_SUCCESS; // I feel good about this program ending :)
}
void ConvertTrianglesToPolygons(CArrayTrianglePtr* papcTriangles, CArrayPolygons* pacPolygons)
{
int i;
CTriangle* pcTriangle;
int j;
CTriangle* pcTriangleOther;
CPolygon* pcPolygon;
for (i = 0; i < papcTriangles->NumElements(); i++)
{
pcTriangle = *papcTriangles->Get(i);
pcPolygon = pacPolygons->Add();
pcPolygon->Init();
pcPolygon->AddTriangle(pcTriangle);
for (j = i+1; j < papcTriangles->NumElements(); j++)
{
pcTriangleOther = *papcTriangles->Get(j);
if (pcTriangle->Coplanar(pcTriangleOther))
{
pcPolygon->AddTriangle(pcTriangleOther);
papcTriangles->RemoveAt(j);
j--;
}
}
}
//You still need to check that the coplanar polygons are contiguous.
//for (i = 0; i < pacPolygons->NumElements(); i++)
//{
// pcPolygon = pacPolygons->Get(i);
// pcPolygon->Dump();
//}
}
void CGetShapeInfo::Visit(CTriangle& shape)
{
m_val = "TRIANGLE: P=" + shape.GetPerimeter().ToString() + "; S=" + shape.GetSquare().ToString();
}
