[r7]
- re-implement the top_flat triangle move up 1 line.
- fix rotation has gap lines bug.
[r7]
- NOW, total fix the gap/overlap issues.
[r7]
- just do renaming and code format.
[r7]
- just format codes.
[r7]
- fix texture mapping issue, which is cause when fix triangle 'gap issue'/'overlap issue'.
- now it works reason-able.
[libks]
- add API ks_helper_image8A_save_ppm(...).
[r7]
- about 'bv'. there's duplicate memory writing at the 2nd '*(line_pp-1) = bv'.
[r7]
- fix bv optimization bug.
.