CODEA: mesh image function

function imageMesh(img, x, y, w, h, r)
    if w == nil and h == nil then
        meshW, meshH = spriteSize(img)
    else
        meshW, meshH = w, h
    end
    if r == nil then
        r = 0
    end

    drawingMesh = mesh()
    drawingMesh:addRect(x, y, meshW, meshH, r)
    drawingMesh.texture = img
    drawingMesh:draw()
end