restructured folder

code/animation.lua

@@ -0,0 +1,78 @@
+Animation = {}
+
+function Animation:New(anim_data)
+ 	local o = {}
+
+  o.path = anim_data.path
+	o.frames = anim_data.frames
+	o.speed = anim_data.speed
+  o.imgs = anim_data.imgs
+	o.subframe = 0
+	o.frame = 1
+
+ setmetatable(o, self)
+ self.__index = self
+ return o
+end
+
+function Animation:ChangeTo(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 Animation: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],
+		math.floor(x - Camera.pos.x),
+		math.floor(y - Camera.pos.y),
+		rotate,
+		sx,
+		sy
+	)
+end
+
+-- to linearly animate
+function Animation:Animate()
+  if self.speed ~= 0 then
+    -- 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
+end
+
+-- to draw the current frame
+function Animation:Draw(x, y, rotate, sx, sy)
+	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[self.frame],
+		math.floor(x),
+		math.floor(y),
+		rotate,
+		sx,
+		sy
+	)
+end