Checkers

Prompt

Code in html, css, and javascript a self-contained, complete, and embeddable checkers game that follows standard checkers rules. Make the game 3d and easy to use.

Iteration

I can's see the pieces or the game board.

Iteration 2

The triangles used to render the board do not maintain sharp edges for the dark and light squares when I rotate the board. They leave jagged shapes on all over the board. Check the code and fix the anti-aliasing issue.

Iteration 3

Add an option to select the opponent either to play against a human opponent or against the computer. Make the computer always take the black pieces.