C++ (Cpp) HeeksObj::GetEndPoint Examples

Example #1

File: Sketch.cpp Project: CarlosGS/heekscad

double CSketch::GetArea()const
{
	double area = 0.0;

	for(std::list<HeeksObj*>::const_iterator It=m_objects.begin(); It!=m_objects.end() ;It++)
	{
		HeeksObj* object = *It;
		switch(object->GetType())
		{
		case ArcType:
			{
				double angle = ((HArc*)object)->IncludedAngle();
				double radius = ((HArc*)object)->m_radius;
				double p0x = ((HArc*)object)->A->m_p.X();
				double p0y = ((HArc*)object)->A->m_p.Y();
				double p1x = ((HArc*)object)->B->m_p.X();
				double p1y = ((HArc*)object)->B->m_p.Y();
				double pcx = ((HArc*)object)->C->m_p.X();
				double pcy = ((HArc*)object)->C->m_p.Y();
				area += ( 0.5 * ((pcx - p0x) * (pcy + p0y) - (pcx - p1x) * (pcy + p1y) - angle * radius * radius));
			}
			break;
		default:
			// treat all others as lines
			{
				double s[3], e[3];
				if(!object->GetStartPoint(s))break;
				if(!object->GetEndPoint(e))break;
				area += (0.5 * (e[0] - s[0]) * (s[1] + e[1]));
			}
			break;
		}
	}

	return area;
}