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author | Aki <nthirtyone@gmail.com> | 2017-04-03 19:16:42 +0200 |
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committer | Aki <nthirtyone@gmail.com> | 2017-04-03 19:16:42 +0200 |
commit | 33865425828c92bb1cf97dee8d0b0f51f9b01042 (patch) | |
tree | 6e16c1085a2cc77bf667ed037de75ec695a4333a /not | |
parent | e2e4164cda3b4536fcba96f5c5283eb125d2b6b1 (diff) | |
download | roflnauts-33865425828c92bb1cf97dee8d0b0f51f9b01042.zip roflnauts-33865425828c92bb1cf97dee8d0b0f51f9b01042.tar.gz roflnauts-33865425828c92bb1cf97dee8d0b0f51f9b01042.tar.bz2 |
Effect is now child of Decoration. Uses Sprite methods and Decoration positioning
Diffstat (limited to 'not')
-rw-r--r-- | not/Effect.lua | 92 |
1 files changed, 34 insertions, 58 deletions
diff --git a/not/Effect.lua b/not/Effect.lua index 7010946..1bf9ed7 100644 --- a/not/Effect.lua +++ b/not/Effect.lua @@ -1,70 +1,46 @@ --- `Effect` +--- `Effect` -- Short animation with graphics that plays in various situation. - --- Metatable of `Effect` --- nils initialized in constructor --- TODO: inherit from `not.Sprite`. --- TODO: clean-up and reformat code, see newer code for reference. +-- TODO: animation is currently slower than it used to be, check if it is ok; if not then make it possible to change it to 0.06 delay. Effect = { - x = 0, - y = 0, - delay = 0.06, - initial = nil, - frame = 1, - animation = nil, - sprite = nil, - quads = require "effects" + finished = false, } --- Construct of `Effect` -function Effect:new(name, x, y) - -- Meta - local o = {} - setmetatable(o, self) - self.__index = self - -- Load spritesheet to metatable if not yet loaded - if self.sprite == nil then - self.sprite = love.graphics.newImage("assets/effects.png") +-- `Effect` is a child of `Decoration`. +require "not.Decoration" +Effect.__index = Effect +setmetatable(Effect, Decoration) + +-- Constructor of `Effect`. +function Effect:new (name, x, y) + local o = setmetatable({}, self) + o:init(name, x, y) + -- Load spritesheet statically. + if self:getImage() == nil then + self:setImage(Sprite.newImage("assets/effects.png")) end - -- Init - o.initial = o.delay - o.animation = name - o.x = x or self.x - o.y = y or self.y return o end --- Position -function Effect:getPosition() - return self.x, self.y +-- Initializator of `Effect`. +function Effect:init (name, x, y) + Decoration.init(self, x, y, nil) + self:setAnimationsList(require("effects")) + self:setAnimation(name) end --- Animation and return flag for deletion after completion --- returns true if completed and ready to delete -function Effect:update(dt) - self.delay = self.delay - dt - if self.delay < 0 then - if self.frame < self.quads[self.animation].frames then - self.frame = self.frame + 1 - self.delay = self.delay + self.initial - else - return true -- delete - end - end - return false +-- Update of `Effect`. +-- Returns true if animation is finished and effect is ready to be deleted. +function Effect:update (dt) + Decoration.update(self, dt) + return self.finished end --- Draw me with scale and offsets, senpai -function Effect:draw(offset_x, offset_y, scale) - -- locals - local offset_x = offset_x or 0 - local offset_y = offset_y or 0 - local scale = scale or 1 - local x, y = self:getPosition() - -- pixel grid - local draw_x = (math.floor(x) + offset_x) * scale - local draw_y = (math.floor(y) + offset_y) * scale - -- draw - love.graphics.setColor(255,255,255,255) - love.graphics.draw(self.sprite, self.quads[self.animation][self.frame], draw_x, draw_y, 0, scale, scale) -end
\ No newline at end of file +-- Overridden from `not.Sprite`. +-- Sets finished flag if reached last frame of played animation. +function Effect:goToNextFrame () + if not (self.frame == self.current.frames) then + self.frame = (self.frame % self.current.frames) + 1 + else + self.finished = true + end +end |