diff options
Diffstat (limited to 'not/Sprite.lua')
| -rw-r--r-- | not/Sprite.lua | 72 |
1 files changed, 28 insertions, 44 deletions
diff --git a/not/Sprite.lua b/not/Sprite.lua index 25d85f1..3951e6e 100644 --- a/not/Sprite.lua +++ b/not/Sprite.lua @@ -1,34 +1,27 @@ +require "not.Object" + --- `Sprite` -- Abstract class for drawable animated entities. -Sprite = { - animations =--[[table with animations]]nil, - current =--[[animations.default]]nil, - image =--[[love.graphics.newImage]]nil, - frame = 1, - delay = .1, -} -Sprite.__index = Sprite - ---[[ Constructor of `Sprite`. +Sprite = Object:extends() + +Sprite.animations =--[[table with animations]]nil +Sprite.current =--[[animations.default]]nil +Sprite.image =--[[love.graphics.newImage]]nil +Sprite.frame = 1 +Sprite.delay = .1 + +-- Constructor of `Sprite`. function Sprite:new (imagePath) - local o = setmetatable({}, self) - o:init(imagePath) - return o + if type(imagePath) == "string" then + self:setImage(Sprite.newImage(imagePath)) + end end -]] -- Cleans up reference to image on deletion. function Sprite:delete () self.image = nil end --- Initializes new Sprite instance. -function Sprite:init (imagePath) - if type(imagePath) == "string" then - self:setImage(Sprite.newImage(imagePath)) - end -end - -- Creates new Image object from path. Key-colours two shades of green. Static. function Sprite.newImage (path) local imagedata = love.image.newImageData(path) @@ -64,7 +57,7 @@ end -- Sets current animation by table key. function Sprite:setAnimation (animation) self.frame = 1 - self.delay = Sprite.delay -- INITIAL from metatable + self.delay = Sprite.delay -- INITIAL from prototype self.current = self.animations[animation] end -- Returns current animation table. @@ -79,26 +72,15 @@ function Sprite:getQuad () end end --- TODO: Following five methods are stupid, do something about them! --- Sprite can't be moved by itself. Positioning should be handled by children's methods. -function Sprite:getPosition () - return 0,0 -end --- Sprite can't be rotated by itself. Rotation should be handled by children's methods. -function Sprite:getAngle () - return 0 -end --- Sprite can't be mirrored by itself. Mirroring should be handled by children's methods. -function Sprite:getHorizontalMirror () - return 1 -end -function Sprite:getVerticalMirror () - return 1 -end --- Sprite can't be offset by itself. Offsetting should be handled by children's methods. -function Sprite:getOffset () - return 0,0 -end +-- Sprite's position. Can be overriden to add functionality. +function Sprite:getPosition () return 0,0 end +-- Sprite's angle. Can be overriden to add functionality. +function Sprite:getAngle () return 0 end +-- Sprite's horizontal and vertical mirrors. Can be overriden to add functionality. +function Sprite:getHorizontalMirror () return 1 end +function Sprite:getVerticalMirror () return 1 end +-- Sprite's drawing offset from position. Can be overriden to add functionality. +function Sprite:getOffset () return 0,0 end -- Drawing self to LOVE2D buffer. -- If there is no Quad, it will draw entire image. It won't draw anything if there is no image. @@ -136,7 +118,7 @@ function Sprite:update (dt) if self.animations and self.current then self.delay = self.delay - dt if self.delay < 0 then - self.delay = self.delay + Sprite.delay -- INITIAL from metatable + self.delay = self.delay + Sprite.delay -- INITIAL from prototype self:goToNextFrame() end end @@ -149,4 +131,6 @@ function Sprite:goToNextFrame () else self:setAnimation("default") end -end
\ No newline at end of file +end + +return Sprite |