diff options
| -rw-r--r-- | main.lua | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/main.lua b/main.lua index 56d309e..61a2777 100644 --- a/main.lua +++ b/main.lua @@ -566,7 +566,16 @@ function keychord_pressed(chord) if drawing then for _,shape in ipairs(drawing.shapes) do if contains_point(shape, i) then - shape.mode = 'deleted' + if shape.mode == 'polygon' then + local idx = table.find(shape.vertices, i) + assert(idx) + table.remove(shape.vertices, idx) + if #shape.vertices < 3 then + shape.mode = 'deleted' + end + else + shape.mode = 'deleted' + end end end drawing.points[i].deleted = true @@ -651,7 +660,6 @@ function contains_point(shape, p) if shape.mode == 'freehand' then -- not supported elseif shape.mode == 'line' then - print(p, shape.p1, shape.p2) return shape.p1 == p or shape.p2 == p elseif shape.mode == 'polygon' then return table.find(shape.vertices, p) @@ -710,6 +718,14 @@ end function love.keyreleased(key, scancode) end +function table.find(h, x) + for k,v in pairs(h) do + if v == x then + return k + end + end +end + function angle_with_hint(x1, y1, x2, y2, hint) local result = math.angle(x1,y1, x2,y2) if hint then |