diff options
| -rw-r--r-- | NOTES | 57 | ||||
| -rwxr-xr-x | examples/anonet_map.sh | 11 | ||||
| -rwxr-xr-x | examples/xcmd.sh | 2 |
3 files changed, 70 insertions, 0 deletions
@@ -0,0 +1,57 @@ +this may not be what actually happens, but this is what I'd like: + +x and z are floor. + +y is up and down. + +yr rotation 0 is facing east. because that's what rotation 0 is in cartesian coordinates. +yr is yaw +xr is pitch +zr is roll + +the rotations need to be within the range: 0 <= r < 360 (so modulo 360 should work) + +minimap: view from above + +z? + | + | + | + | +-x --------+-------- +x + | + | + | + | + -z? +the reason the minimap has positive x being down is so that camera view at rotation 0 is with +positive x to the right so 2D vector graphics don't need any dimensions flipped + +camera view: facing rotation 0 + +y + | + | + | + | +-x --------+-------- +x + | + | + | + | + -y + +increasing yr causes rotation counter-clockwise on the minimap. (around y axis) + + +this is what minetest does. I guess I'll do this. + +camera angle 0 is north. +north is +Z +south is -Z +west is -X +east is +X +up is +Y +down is -Y + +there is no angle 0 actually. 0 < angle <= 360 + +I guess I should use yaw. diff --git a/examples/anonet_map.sh b/examples/anonet_map.sh new file mode 100755 index 0000000..2c66640 --- /dev/null +++ b/examples/anonet_map.sh @@ -0,0 +1,11 @@ +#!/bin/bash +cat <(printf "%s move 0 0 -270\n" "$USER") \ + <(wget http://hacking.allowed.org/cgi-bin/map_hackvr.cgi -qO- 2>/dev/null) \ + /dev/stdin \ + | slowcat 0 \ + | hackvr_x11 "$USER" \ + | grep --line-buffered action \ + | stdbuf -oL cut '-d ' -f3 \ + | xargs -r -L1 printf "AS%s\n" \ + | tee /dev/stderr \ + | xargs -r -L1 ./xcmd.sh whois -h hacking.allowed.org diff --git a/examples/xcmd.sh b/examples/xcmd.sh new file mode 100755 index 0000000..0c230d6 --- /dev/null +++ b/examples/xcmd.sh @@ -0,0 +1,2 @@ +#!/bin/sh +exec $* | xmessage -file - & |