basedir=$(dirname $(readlink -f ${BASH_SOURCE}))
+. $basedir/common.sh
+
filename=${1:-$basedir/3_4_8.txt}
exec 3<$filename
echo "$line" >&2
}
-get_vector() {
- local x1=$1
- local y1=$2
- local x2=$3
- local y2=$4
-
- x_diff=$(($x1 - $x2))
- y_diff=$(($y1 - $y2))
-
- echo "$x_diff,$y_diff"
-}
-
check_collision() {
# we want to know if vector2 is going to get in the way of vector1
local vector1=$1