diff options
Diffstat (limited to 'drawing.lua')
| -rw-r--r-- | drawing.lua | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drawing.lua b/drawing.lua index ac4990a..a98f5b2 100644 --- a/drawing.lua +++ b/drawing.lua @@ -249,6 +249,12 @@ function Drawing.update(State) if State.lines.current_drawing == nil then return end local drawing = State.lines.current_drawing local line_cache = State.line_cache[State.lines.current_drawing_index] + if line_cache.starty == nil then + -- some event cleared starty just this frame + -- draw in this frame will soon set starty + -- just skip this frame + return + end assert(drawing.mode == 'drawing') local pmx, pmy = App.mouse_x(), App.mouse_y() local mx = Drawing.coord(pmx-State.left, State.width) |