make points easier to acquire

Dependencies

• [2] FI6IK76M snap lines to nearby points
• [3] KCIM5UTV revert: back to freehand
• [4] VQFBNHU4 make point near focus 'pop'
• [5] EFMLTMZG bugfix: restrict strokes to the drawing they started in
• [6] IFGAJAF7 add a level of indirection to vertices of shapes
• [*] OTIBCAUJ love2d scaffold

Change contents

• replacement in main.lua at line 98
  [3.237]→[3.237:277](∅→∅)
  − if p.x == mx and p.y == my then
  [3.237]

  [3.277]
  + if near(p, mx,my) then
• edit in main.lua at line 176
  [3.797]→[2.3:39](∅→∅)
  − local px,py = pixels(x),pixels(y)
• replacement in main.lua at line 177
  [3.832]→[2.40:142](∅→∅)
  − local cx,cy = pixels(point.x), pixels(point.y)

  − if (cx-px)*(cx-px) + (cy-py)*(cy-py) < 16 then
  [3.832]

  [3.874]
  + if near(point, x,y) then
• edit in main.lua at line 183
  [3.955]

  [3.955]
  + end

  +

  + function near(point, x,y)

  + local px,py = pixels(x),pixels(y)

  + local cx,cy = pixels(point.x), pixels(point.y)

  + return (cx-px)*(cx-px) + (cy-py)*(cy-py) < 16