[Ohrrpgce] SVN: james/9279 Add find_plank_at_screen_pos() which, in contrast to find_plank_nearest_

[subversion at HamsterRepublic.com]

james
2017-09-05 15:15:08 -0700 (Tue, 05 Sep 2017)
158
Add find_plank_at_screen_pos() which, in contrast to find_plank_nearest_screen_pos()
requires the slice to be visible and to actually collide with the targpos
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U   wip/plankmenu.bas
U   wip/plankmenu.bi