added shapes collection

1 files changed, 38 insertions, 0 deletions

diff --git a/Sem. 13/ShapeCollection/Rectangle.cpp b/Sem. 13/ShapeCollection/Rectangle.cpp
new file mode 100644
index 0000000..448dcc7
--- /dev/null
+++ b/Sem. 13/ShapeCollection/Rectangle.cpp
@@ -0,0 +1,38 @@
+#include "Rectangle.h"
+
+Rectangle::Rectangle(int x1, int y1, int x3, int y3) : Shape(4)
+{
+	setPoint(0, x1, y1);
+	setPoint(1, x1, y3);
+	setPoint(2, x3, y3);
+	setPoint(3, x3, y1);
+}
+double Rectangle::getArea() const
+{
+	Shape::point p0 = getPointAtIndex(0);
+	Shape::point p1 = getPointAtIndex(1);
+	Shape::point p3 = getPointAtIndex(3);
+
+	return p0.getDist(p1) * p0.getDist(p3);
+
+}
+double Rectangle::getPer() const
+{
+	Shape::point p0 = getPointAtIndex(0);
+	Shape::point p1 = getPointAtIndex(1);
+	Shape::point p3 = getPointAtIndex(3);
+
+	return 2*(p0.getDist(p1) + p0.getDist(p3));
+}
+
+bool Rectangle::isPointIn(int x, int y) const
+{
+	Shape::point p(x, y);
+	return p.x >= getPointAtIndex(0).x && p.y >= getPointAtIndex(1).x &&
+		p.y <= getPointAtIndex(0).y && p.y >= getPointAtIndex(2).y;
+}
+Shape* Rectangle::clone() const
+{
+	Shape* copy = new Rectangle(*this);
+	return copy;
+}