alunizaje/assets/scripts/background.lua
Andros Fenollosa 5147e66de4 Add final star
2016-11-12 20:39:10 +01:00

39 lines
1.2 KiB
Lua

local anim8 = require 'assets/scripts/vendor/anim8'
local tools = require 'assets/scripts/tools'
local background = {}
local stars = {}
function background.load()
num_stars = 100
local star = {}
star.num_frames = 9
star.ani_speed = 1
star.width_frame = 16
star.height_frame = 16
star.img = love.graphics.newImage('assets/sprites/background/star.png')
local g = anim8.newGrid(star.width_frame, star.height_frame, star.img:getWidth(), star.img:getHeight())
star.animation = anim8.newAnimation(g('1-' .. star.num_frames, 1), star.ani_speed)
for i = 1, num_stars do
local temp_star = tools.clone_table(star)
temp_star.animation = anim8.newAnimation(g('1-' .. star.num_frames, 1), math.random(star.ani_speed, star.ani_speed * 2))
temp_star.animation:gotoFrame(math.random(1, star.num_frames))
temp_star.x = math.random(-star.width_frame , canvas.width)
temp_star.y = math.random(-star.height_frame, canvas.height)
stars[i] = temp_star
end
end
function background.update(dt)
for key, star in pairs(stars) do
star.animation:update(dt)
end
end
function background.draw()
for key, star in pairs(stars) do
star.animation:draw(star.img, star.x, star.y)
end
end
return background