Sept. 9, 2020
1:43 p.m.
Hi all we have the following method on point and I do not get why (0@0) sideOf: (100@100)
#center
sideOf: otherPoint "Returns #left, #right or #center if the otherPoint lies to the left, right or on the line given by the vector from 0@0 to self" | side | side := (self crossProduct: otherPoint) sign. ^ { #right . #center . #left } at: side + 2 -------------------------------------------- Stéphane Ducasse http://stephane.ducasse.free.fr / http://www.pharo.org 03 59 35 87 52 Assistant: Aurore Dalle FAX 03 59 57 78 50 TEL 03 59 35 86 16 S. Ducasse - Inria 40, avenue Halley, Parc Scientifique de la Haute Borne, Bât.A, Park Plaza Villeneuve d'Ascq 59650 France