path: root / Sem. 13 / ShapeCollection / Circle.cpp


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#include "Circle.h"

const double PI = 3.1415;
Circle::Circle(int x, int y, double radius) : Shape(1), radius(radius)
{
	setPoint(0, x, y);
}

double Circle::getArea() const
{
	return PI * radius * radius;
}
double Circle::getPer() const
{
	return 2 * PI * radius;
}
bool Circle::isPointIn(int x, int y) const
{
	Shape::point p(x, y);
	return p.getDist(getPointAtIndex(0)) <= radius;
}
Shape* Circle::clone() const
{
	Shape* copy = new Circle(*this);
	return copy;
}