A5/Rhombus.cpp

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2024-11-06 17:02:59 -07:00
#include "Rhombus.h"
#include "GeometryUtils.h"
#include "IsoscelesTriangle.h"
bool Rhombus::validate() {
double sideOne = calculate_distance(mVertices[0], mVertices[1]);
double sideTwo = calculate_distance(mVertices[1], mVertices[2]);
double sideThree = calculate_distance(mVertices[2], mVertices[3]);
double sideFour = calculate_distance(mVertices[3], mVertices[0]);
IsoscelesTriangle firstTriangle;
firstTriangle.setCoordinate(0, mVertices[0]);
firstTriangle.setCoordinate(1, mVertices[1]);
firstTriangle.setCoordinate(2, mVertices[2]);
IsoscelesTriangle secondTriangle;
secondTriangle.setCoordinate(0, mVertices[0]);
secondTriangle.setCoordinate(1, mVertices[2]);
secondTriangle.setCoordinate(2, mVertices[3]);
// A valid rhombus must (a) Have vertices (0, 1, 2) make a valid isosceles triangle,
// (b) Have vertices (0, 2, 3) make a valid isosceles triangle, and (c) Have all
// sides of equal length
return firstTriangle.validate() && secondTriangle.validate()
&& (double_eq(sideOne, sideTwo) && double_eq(sideTwo, sideThree) && double_eq(sideThree, sideFour));
}