Rectangle::Rectangle(Coordinates v1, Coordinates v2) {
my_vertex[0] = v1;
my_vertex[1] = Coordinates(v1.getAbs() , v2.getOrd());
my_vertex[2] = Coordinates(v2.getAbs() , v1.getOrd());
my_vertex[3] = v2;
my_length = v1.distance(my_vertex[1]); //determining edge length
my_width = v2.distance(my_vertex[2]); //determining edge length
if(my_length<my_width ){
float temp;
temp=my_length;
my_length= my_width;
my_width = temp;
}
pos = (v2+v1)/2;
}
void Rectangle::rotate(Coordinates origin, float alpha) {
for (unsigned int i(0) ; i<3 ; i++){
my_vertex[i].setAbs( (my_vertex[i].getAbs()-origin.getAbs()) * cos(alpha) - (my_vertex[i].getOrd() - origin.getOrd()) * sin (alpha) + origin.getAbs());
my_vertex[i].setOrd ((my_vertex[i].getAbs()-origin.getAbs()) * sin(alpha) + (my_vertex[i].getOrd() - origin.getOrd()) * cos (alpha) + origin.getOrd());
}
}