From 1df23cb4aa83104c80feb390452faf955fe47389 Mon Sep 17 00:00:00 2001
From: "theo@manjaro" <ayte@tutanota.com>
Date: Fri, 4 Mar 2022 14:57:05 +0100
Subject: [PATCH] Added animated background

---
 assets/pattern.png     | Bin 0 -> 839 bytes
 game.lua               |   1 +
 objects/background.lua |  36 ++++++++++++++++++++++++++++++++++++
 scenes.lua             |   4 ++++
 4 files changed, 41 insertions(+)
 create mode 100644 assets/pattern.png
 create mode 100644 objects/background.lua

diff --git a/assets/pattern.png b/assets/pattern.png
new file mode 100644
index 0000000000000000000000000000000000000000..da14f96894f8ec8753a6ae7812fbdabe303c8165
GIT binary patch
literal 839
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literal 0
HcmV?d00001

diff --git a/game.lua b/game.lua
index c15b7e4..66d356f 100644
--- a/game.lua
+++ b/game.lua
@@ -10,6 +10,7 @@ function Game:reinit()
 	self.objects.grid = require "objects/grid"
 	self.objects.circle = require "objects/circle"
 	self.objects.ending = require "objects/end"
+	self.objects.background = require "objects/background"
 	self.rect = require "lib/rect"
 	self.maxobjects = 0
 	self.camerax = 0
diff --git a/objects/background.lua b/objects/background.lua
new file mode 100644
index 0000000..60b170b
--- /dev/null
+++ b/objects/background.lua
@@ -0,0 +1,36 @@
+gen = {}
+
+function gen:new(game,sprite)
+	
+	local Background = game.objects.base:new(game,0,0,game.WIDTH,game.HEIGHT)
+	Background.sprite = sprite
+	Background.spritewidth = sprite:getWidth()
+	Background.spriteheight = sprite:getHeight()
+	Background.nbwidth = game.WIDTH%sprite:getWidth()+2
+	Background.nbheight = game.HEIGHT%sprite:getHeight()+2
+	Background.speed = 30
+	Background.depth = -2
+	Background.offx = 0
+	Background.offy = 0
+
+	function Background:step(dt)
+		self.offx = (self.offx + dt*self.speed)%self.spritewidth
+		self.offy = (self.offy + dt*self.speed)%self.spriteheight
+	end
+
+	function Background:draw()
+		local i=0
+		local j=0
+		for i=-1,self.nbwidth-1 do
+			for j=-1,self.nbheight-1 do
+				lg.draw(self.sprite,i*self.spritewidth+self.offx,j*self.spritewidth+self.offy)
+			end
+		end
+		
+	end
+
+	return Background
+
+end
+
+return gen
diff --git a/scenes.lua b/scenes.lua
index 486523f..51b979a 100644
--- a/scenes.lua
+++ b/scenes.lua
@@ -7,12 +7,16 @@ function scenes:main(game)
 	local y = (game.HEIGHT-cellsize*5)/2
 	local grid = game.objects.grid:new(game,x,y,cellsize)
 	game:summon(grid)
+	local background = game.objects.background:new(game,game:newImage("pattern.png"))
+	game:summon(background)
 end
 
 function scenes:ending(game,winner)
 	game.gameloop = {}
 	local ending = game.objects.ending:new(game,winner)
 	game:summon(ending)
+	local background = game.objects.background:new(game,game:newImage("pattern.png"))
+	game:summon(background)
 end
 
 return scenes