// C5E3IsocelesTriangle.cpp : Defines the entry point for the console application.
//Sebastian Lawe 12/6/2013 - Chapter 5 Exercise 3 - Creates an isoceles triangle.
#include "stdafx.h"
#include <iostream>
using namespace std;
//Declare enumerable.
enum TriangleType{RightAngle, Isocelese};
//Declare funtions.
void Triangle(TriangleType triangleType, int size);
void DrawBar(int length);
void DrawBar(int length, int spacing);
int _tmain(int argc, _TCHAR* argv[])
{
    //Call "Triangle" to print isocelese triangle.
    Triangle(Isocelese, 4);
    //Keep program from closing.
    std::getchar();
    return 0;
}
void Triangle(TriangleType triangleType, int size){
    //Using switch statsment to check what triangle is wanted.
    switch(triangleType){
    case RightAngle:
        //In the case a right angle triangle is wanted, create right angle triangle.
        //Using "for loop" to create a right angle triangle.
        for(int i = 1; i <= size; i++){
            //Call function to print a bar of asterisks.
            DrawBar(i);
        }
        break;
    case Isocelese:
        //In the case an isocelese triangle is wanted, create isocelese triangle.
        //Declare integer.
        int spacing = size - 1;
        int barLength = 1;
        //Using "for loop" to create an isocelese triangle.
        for(int i = 1; i <= size; i++){
            //If "i" is an odd number...
            if(barLength % 2 != 0){
                //Use "DrawBar" to print bar with spacing.
                DrawBar(barLength, spacing);
                //Decrement "spacing".
                spacing--;
                //Increment "barLength"
                barLength++;
            }
            //Use "while loop" to ensure "barLength" is odd.
            while(barLength % 2==0){
                barLength++;
            }
        }
        break;
    }
}
void DrawBar(int length){
    //Using "for loop" to draw the amount of asterisks "length" asks for.
    for(int i = 0; i < length; i++){
        //Print asterisk.
        cout<<"*";
    }
    cout<<"\n";
}
void DrawBar(int length, int spacing){
    //Using "for loop" to create spacing defined by "spacing".
    for(int j = 0; j < spacing; j++){
        //Print space.
        cout<<" ";
    }
    //Using "for loop" to print bar length defined by "length".
    for(int i = 0; i < length; i++){
        //Print asterisk.
        cout<<"*";
    }
    //Create new line.
    cout<<"\n";
}