On Feb 3, 2:13 pm, Andrew Leach <[email protected]> wrote:
> Line 1025 works like this:
>   e[i]=(k ? "l" : "m")+" "+(r<<16>>16)+" "+((r>>16)+E);
> which moves the triangle 128px to the left without altering the
> vertical position.

The other "+E" ought to change the vertical position.

the 32 bits of "r" look like:

    yyyyyyyyyyyyyyyyxxxxxxxxxxxxxxxx

"x" has to be shifted in each direction to expand the sign bit.

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