void iterate_board2(board b) {
int i,j;
for(i=0; i<b->height; i++) {
for(j=0; j<b->width; j++) {
b->cells[i][j] = iterate_cell(b->cells[i][j]);
}
}
}
board iterate_board(board b) {
// because the whole board needs to tick
// at the same time as a result of eachother,
// we can't modify the cells in place
// NOTE: actually we could as long as we
// only modify the alive state and not the
// neighbors state
board newboard = clone_board(b);
int i,j;
for(i=0; i<b->height; i++) {
for(j=0; j<b->width; j++) {
newboard->cells[i][j] = iterate_cell(b->cells[i][j]);
}
}
return newboard;
}
bool fractal_base::process_line(const line &l) {
const vec_ull start = l.start_point;
const vec_ull end = l.end_point;
// handle lines containing only a single pixel
const vec_ull diff = ((start - end) != vec_ull{0, 0}) ? (end - start).unitV() : vec_ull{0, 0};
const size_t length = (end - start).norm();
bool out = true;
for (size_t i = 0; i <= length; i++) {
vec_ull pos = start + diff * i;
if (iterations(pos) == NOT_DEFINED) {
// imaginary axis is different because it points opposite our +y axis
complex complex_pos = index_to_complex(pos);
iterations(pos) = iterate_cell(complex_pos);
}
if (iterations(pos) != iterations(start)) {
out = false;
}
}
return out;
}