To report a bug

Bug_with_draw.lua

--# Main
-- 0  chemin 00

displayMode(FULLSCREEN)
setInstructionLimit(0)

-- Use this function to perform your initial setup
function setup()
    path0 = Path()
    fps = FPS()        -- LINE TO COMMENT
    map = image(WIDTH,HEIGHT)
end

-- This function gets called once every frame
function draw()
    resetMatrix() resetStyle()
    setContext(map)
    -- This sets a dark background color 
    background(40, 40, 50)

    -- This sets the line thickness
    strokeWidth(5)

    -- Do your drawing here
    path0:draw()
    setContext()
    background(40, 40, 50)
    sprite(map,WIDTH/2,HEIGHT/2)
    fps:draw()        -- LINE TO COMMENT
end

function touched(touch)
    path0:touched(touch)
end

--# Path
Path = class()

function Path:init(x)
    self.color = color(200,200,0)
    self.pos = {}
    self.ms = mesh()
    local v = vec2( WIDTH/2,HEIGHT/2 )
    self:add(v)
    self.selected = false
end

function Path:add(v)
    local r = 0
    if (self.i or 0) > 0 then
        local v0 = self.pos[self.i]
        r = vec2(0,1):angleBetween(v-v0)
    end
    local i = self.ms:addRect(v.x,v.y,20,10,r)
    self.ms:setRectColor(i, self.color )
    self.pos[i] = v
    self.i = i
end

function Path:draw()
    self.ms:draw()
    if CurrentTouch and self.selected then
        local touch = CurrentTouch
            local v1 = vec2(touch.x, touch.y)
            local v0 = self.pos[self.i]
            if v0:dist(v1) > 5 then 
                v1 = v0 + (v1-v0):normalize()*5
                self:add(v1)
            end
    end
end

function Path:touched(touch)
    if touch.state == BEGAN or touch.state == MOVING then
        self.selected = true
    else 
        self.selected = false
    end

end

--# FPS
FPS = class()

-- this manages FPS and a progress bar
function FPS:init()
    -- average fps
    self.val = 60
    self.t0 = ElapsedTime
    -- min fps
    self.min = 60
    self.t1 = ElapsedTime
    -- progress bar
    self.frac = 0
    self:progressBarInit()
end

function FPS:draw()
    local vShift = 0
    if self.progressBarActive then vShift = 30 end
    -- update FPS value with some smoothing
    local old = self.val
    local frac = self.frac
--    local t1 = os.clock()
    local t1 = ElapsedTime
    local delta = t1 - self.t0
    self.t0 = t1
    local new = 1/delta or old
    if new<self.min then self.min=new; self.t1=ElapsedTime+1 end
    if self.t1<ElapsedTime then self.min=60 end
    if new>65 then new=65 end
    local ratio = new/old
    if 0.5<ratio and ratio<2 then new = old*(1-frac)+ new*frac end
    self.val = new

    -- write the FPS on the screen
    fill(208, 208, 208, 255)
    fontSize(20)
    font("AmericanTypewriter-Bold")
    rectMode(CENTER)
    text(math.floor(new).." fps (> "..math.floor(self.min)..")",70,HEIGHT-15-vShift)
    -- draw progress bar
    self:progressBarDraw()
end


function FPS:progressBarInit(txt)
    self.frac = 0
    self.txt = txt or "running"
    self.img = self:progressBarCalcInfoImg(self.txt,WIDTH*0.19,30,"top")
    self.progressBarActive = false
end

function FPS:progressBarUpdate(frac)
    self.frac = frac
    if frac>0 and frac<1 then self.progressBarActive = true
    else self.progressBarActive = false end
end

-- image to show job progress
function FPS:progressBarCalcInfoImg(txt,w,h,rot)
    local w0,h0
    pushStyle() pushMatrix()
    if rot=="left" or rot=="right" 
    then w0,h0 = h,w
    else w0,h0 = w,h
    end
    local img0 = image(w0,h0)
    setContext(img0)
        font("AmericanTypewriter-Bold")
        rectMode(CENTER)
        textMode(CENTER)
        strokeWidth(1)
        background(255, 255, 255, 255)
        fill(0, 0, 0, 255)
        stroke(0, 0, 0, 255)
        fontSize(20)
        text(txt,w0/2,h0/2)
    setContext()
    local img = image(w,h)
    setContext(img)
        background(0, 0, 0, 255)
        spriteMode(CENTER)
        translate(w/2,h/2)
        if rot=="left" then rotate(-90) end
        if rot=="right" then rotate(90) end
        sprite(img0,0,0)
    setContext()
    popStyle() popMatrix()
    return img
end

function FPS:progressBarDraw()
    if self.progressBarActive then
    local img = self.img
    pushStyle()
        spriteMode(CORNER)
            tint(128, 128, 128, 255)
            sprite(img, 0, HEIGHT - img.height) 
            tint()
            tint(255, 255, 255, 255)
            clip(0,HEIGHT  - img.height,self.frac*img.width,img.height)
            sprite(img, 0, HEIGHT - img.height) 
            clip()
    popStyle()
    end
end