bugfix: checking if a point is on a manhattan line

Dependencies

• [2] WTDKUACN rectangle and square shapes
• [3] VHQCNMAR several more modules

Change contents

• replacement in geom.lua at line 9
  [3.11845]→[3.11845:11923](∅→∅)
  − return x == drawing.points[shape.p1].x or y == drawing.points[shape.p1].y
  [3.11845]

  [2.1041]
  + local p1 = drawing.points[shape.p1]

  + local p2 = drawing.points[shape.p2]

  + if p1.x == p2.x then

  + if x ~= p1.x then return false end

  + local y1,y2 = p1.y, p2.y

  + if y1 > y2 then

  + y1,y2 = y2,y1

  + end

  + return y >= y1*0.95 and y <= y2*1.05

  + elseif p1.y == p2.y then

  + if y ~= p1.y then return false end

  + local x1,x2 = p1.x, p2.x

  + if x1 > x2 then

  + x1,x2 = x2,x1

  + end

  + return x >= x1*0.95 and x <= x2*1.05

  + else

  + assert(false)

  + end