Cone - caraminden/anathema-roguelike GitHub Wiki
Cone is a type of Area of Effect that creates a cone shape from a targeted location in some direction
In each example the "X" is the targeted Location and each "#" represents a Location that is considered inside the Area of Effect.
Cone: 1 East
#
X#
#
Cone: 2 West
#
##
##X
##
#
Cone: 3 North
#######
#####
###
X