sem 12

1 files changed, 26 insertions, 0 deletions

diff --git a/Sem. 12/Example_polymorphism/Rectangle.cpp b/Sem. 12/Example_polymorphism/Rectangle.cpp
new file mode 100644
index 0000000..3fa1026
--- /dev/null
+++ b/Sem. 12/Example_polymorphism/Rectangle.cpp
@@ -0,0 +1,26 @@
+#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));
+}
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