Question

Hey, I recently wrote this fairly simple game of life in JavaScript.

Within this script I check all cells around a given cell, I currently do this via eight if statements.

It works but just feels wrong and hard coded. Would there happen to be a faster, more efficient way of doing this? Or are masses of if statements the only way?

Answer 1

How about creating an array of offsets and looping through the array?

var offsets = [{dx:1,dy:1},{dx:0,dy:1}, ...