void step(std::vector<double>& square, int ogwidth, int width, double scale, std::mt19937& rng) {
if ( (width*width) <= 4) {
return;
}
int center = width / 2;
// Add Diamonds
for (int i = center; i < ogwidth; i += width-1) {
for (int j = center; j < ogwidth; j += width-1) {
square[CoordsToIdx(i, j, ogwidth)] = averagecorners(square,
CoordsToIdx(i - center, j - center, ogwidth),
CoordsToIdx(i + center, j - center, ogwidth),
CoordsToIdx(i - center, j + center, ogwidth),
CoordsToIdx(i + center, j + center, ogwidth)
) + noise(square, scale, rng);
}
}
// Add Squares
for (int i = center; i < ogwidth; i += width-1) {
for (int j = center; j < ogwidth; j += width-1) {
calculateSquare(square, i - center, j, center, ogwidth, scale, rng);
calculateSquare(square, i + center, j, center, ogwidth, scale, rng);
calculateSquare(square, i, j - center, center, ogwidth, scale, rng);
calculateSquare(square, i, j + center, center, ogwidth, scale, rng);
}
}
step(square, ogwidth, (width/2)+1, scale*0.5, rng);
}
// main returns an integer and takes no parameters
int main()
{
//Declare an interger for storing user input
int userInputInt = 0;
//Prompt the user to enter a positive, non-zero integer value.
cout << "Etner a positive, non-zero value:" << endl;
//Store value
cin >> userInputInt;
//Pass to function
calculateSquare(userInputInt);
//Pause so the user can hit enter to close the program
system("PAUSE");
//Return zero to send back to the OS
return 0;
}
