spriteAnim = {}

function spriteAnim.create( anim )
    local keys = {}
    for i = 1, #anim do
        keys[i] =
        {
            Key =
            {
                atlas = anim[i][1],
                count = anim[i][2],
            },
        }
    end

    return
    {
        AnimationAtlas =
        {
            sequence = keys,
        },
    }
end


-- specific for the snake
function getSinMultiplier(i)
    if (act_sinAmplitude and act_sinAmplitude ~= 0) then
        local iRatio = (i-1) / act_bodyPartCount
        return 1 + math.sin(iRatio * math.pi) * act_sinAmplitude
    end
    return 1.0
end