This is more behind-the-scenes stuff, but it will decrease file size. Instead of storing every single full position in the posdata JavaScript variable, it will now store only the original position in full, and it will store each subsequent position only as its differences from the previous position. I got this to work by writing a JavaScript function called getPosition, which calculates a position by starting with the original position and going through all the changes up to the specified position.
I encountered a few bugs while working on this today. At first I wrote a getPiece function, but that wasn't working out when I tried reducing the position data to only what is essential. Then getPosition would work some of the time but eventually break down. I realized that when I copied an array in JavaScript, it was making a reference to the array instead of a fresh copy. So, when I changed what was supposed to be a copy, I also changed the original array, which really messed things up. So, I wrote the function to start with a fresh array I simply populated with values from the original array. This worked, and I made other corrections to get everything working.
This is more behind-the-scenes stuff, but it will decrease file size. Instead of storing every single full position in the posdata JavaScript variable, it will now store only the original position in full, and it will store each subsequent position only as its differences from the previous position. I got this to work by writing a JavaScript function called getPosition, which calculates a position by starting with the original position and going through all the changes up to the specified position.
I encountered a few bugs while working on this today. At first I wrote a getPiece function, but that wasn't working out when I tried reducing the position data to only what is essential. Then getPosition would work some of the time but eventually break down. I realized that when I copied an array in JavaScript, it was making a reference to the array instead of a fresh copy. So, when I changed what was supposed to be a copy, I also changed the original array, which really messed things up. So, I wrote the function to start with a fresh array I simply populated with values from the original array. This worked, and I made other corrections to get everything working.