Animation = {
  projectilePlasma = {
    path = "assets/projectilePlasma",
    frames = 6,
    speed = 0.1,
    random = true
  },
  projectilePiercing = {
    path = "assets/projectilePiercing",
    frames = 1,
    speed = 1
  },
  projectileRocket = {
    path = "assets/projectileRocket",
    frames = 1,
    speed = 1
  },
  projectileGreen = {
    path = "assets/projectileGreenRocket",
    frames = 1,
    speed = 1
  },
  projectileRed = {
    path = "assets/projectileRedRocket",
    frames = 1,
    speed = 1
  },
  projectileBlue = {
    path = "assets/projectileBlueRocket",
    frames = 1,
    speed = 1
  },
  projectileCard = {
    path = "assets/projectileCard",
    frames = 8,
    speed = 1/24
  }
}


for _, anim in pairs(Animation) do
	anim.imgs = {}
	for i = 1, anim.frames do
		table.insert(anim.imgs,love.graphics.newImage(anim.path..tostring(i)..".png"))
	end
end

AnimationContainer = {}

function AnimationContainer:New(anim_data)
  local o = {}
  o.type = "AnimationContainer"
 	o.path = anim_data.path
	o.frames = anim_data.frames
	o.speed = anim_data.speed
  o.imgs = anim_data.imgs

	o.subframe = 0
  local random = anim_data.random or false
  if random == true then
    o.frame = math.random(1,anim_data.frames)
  else
    o.frame = 1
  end

	table.insert(List.AnimationContainers,o)
  o.id = #List.AnimationContainers

  setmetatable(o, self)
  self.__index = self
  return o
end

function AnimationContainer:Delete()
  for _, animation in pairs(List.AnimationContainers) do
    if animation.id > self.id then
      animation.id = animation.id - 1
    end
  end
  table.remove(list,self.id.FriendlyBullet)
  self = nil
end

function AnimationContainer:Set(anim_data)
	if anim_data.path == self.path
	then
		return self
	else
		return Animation:New(anim_data)
	end
end

-- to manually handle what frame
function AnimationContainer:DrawFrame(frame, x, y, rotate, sx, sy)
	if frame > self.frames then
		frame = self.frames
	end
	local x = x or 0
	local y = y or 0
	local sx = sx or 1
	local sy = sy or 1
	love.graphics.draw(
		self.imgs[frame],
		x - Camera.pos.x,
		y - Camera.pos.y,
		rotate,
		sx,
		sy
	)
end

-- to linearly animate
function AnimationContainer:Animate()
			-- try to animate
			self.subframe = self.subframe + current_dt

		if self.subframe > self.speed then
			self.frame = self.frame + 1
			self.subframe = self.subframe - self.speed
		end

		-- cycle
		if self.frame >= self.frames+1 then
			self.frame = self.frame - self.frames
		end
end

-- to draw the current frame
function AnimationContainer:Draw(x, y, rotate, sx, sy, ox, oy)
	local x = x or 0
	local y = y or 0
  local rotate = rotate or 0
	local sx = sx or 1
	local sy = sy or 1
  local ox = ox or self.imgs[self.frame]:getPixelWidth()/2
  local oy = oy or self.imgs[self.frame]:getPixelHeight()/2
	love.graphics.draw(
		self.imgs[self.frame],
		x,
		y,
		rotate,
		sx,
		sy,
    ox,
    oy
	)
end