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authorAki <nthirtyone@gmail.com>2017-08-13 02:26:55 +0200
committerAki <nthirtyone@gmail.com>2017-08-13 02:26:55 +0200
commitb1cf14d64a2d3e28683db87190c4b2c7799c259d (patch)
treee45dac5cc6ce5265e3e3e2c914eb7cc92a820b8b /not/MenuBackground.lua
parent0dd01913fe0eefc7ba4bc0797877f40fdedf9315 (diff)
parented62b573417bdc85bec616f6016846b02de4c906 (diff)
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Merge branch 'multi'maps
Diffstat (limited to 'not/MenuBackground.lua')
-rw-r--r--not/MenuBackground.lua49
1 files changed, 49 insertions, 0 deletions
diff --git a/not/MenuBackground.lua b/not/MenuBackground.lua
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--- /dev/null
+++ b/not/MenuBackground.lua
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+--- `MenuBackground`
+-- Represented as space background with blinking stars and moving asteroids.
+-- It might be too specific, but whatever. It is still better than hardcoded background in `Menu` class.
+MenuBackground = require "not.Element":extends()
+
+MenuBackground.BASE_STARS_DELAY = .8
+MenuBackground.QUAD_STARS = {
+ love.graphics.newQuad( 0, 0, 320, 200, 640,200),
+ love.graphics.newQuad(320, 0, 320, 200, 640,200)
+}
+
+function MenuBackground:new (parent)
+ MenuBackground.__super.new(parent)
+ self.starsFrame = 1
+ self.starsDelay = self.BASE_STARS_DELAY
+ self.asteroidsBounce = 0
+ -- Load statically.
+ if MenuBackground.IMAGE_BACKGROUND == nil then
+ MenuBackground.IMAGE_BACKGROUND = love.graphics.newImage("assets/backgrounds/menu.png")
+ MenuBackground.IMAGE_ASTEROIDS = love.graphics.newImage("assets/asteroids.png")
+ MenuBackground.IMAGE_STARS = love.graphics.newImage("assets/stars.png")
+ end
+end
+
+function MenuBackground:update (dt)
+ self.asteroidsBounce = self.asteroidsBounce + dt*0.1
+ if self.asteroidsBounce > 2 then
+ self.asteroidsBounce = self.asteroidsBounce - 2
+ end
+ self.starsDelay = self.starsDelay - dt
+ if self.starsDelay < 0 then
+ self.starsDelay = self.starsDelay + self.BASE_STARS_DELAY
+ if self.starsFrame == 2 then
+ self.starsFrame = 1
+ else
+ self.starsFrame = 2
+ end
+ end
+end
+
+function MenuBackground:draw ()
+ local scale = self.scale
+ local scaler = getRealScale()
+ love.graphics.draw(self.IMAGE_BACKGROUND, 0, 0, 0, scaler, scaler)
+ love.graphics.draw(self.IMAGE_STARS, self.QUAD_STARS[self.starsFrame], 0, 0, 0, scaler, scaler)
+ love.graphics.draw(self.IMAGE_ASTEROIDS, 0, math.floor(64+math.sin(self.asteroidsBounce*math.pi)*4)*scaler, 0, scaler, scaler)
+end
+
+return MenuBackground