Add final star

assets/scripts/background.lua

@@ -0,0 +1,39 @@
+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

assets/scripts/spaceship.lua

@@ -12,7 +12,7 @@ function spaceship.load(world)
 	spaceship.shape = love.physics.newCircleShape(20) 
 	spaceship.fixture = love.physics.newFixture(spaceship.body, spaceship.shape, 1)
 	spaceship.fixture:setRestitution(0.9)
-	local g = anim8.newGrid(98, 93, spaceship.img:getWidth(), spaceship.img:getHeight())
+	local g = anim8.newGrid(110, 103, spaceship.img:getWidth(), spaceship.img:getHeight())
   	spaceship.animation = anim8.newAnimation(g('1-1', 1), 0.1)
 end
 

assets/scripts/tools.lua

@@ -0,0 +1,39 @@
+local tools = {}
+
+-- Get Table length
+function tools.table_length(T)
+ 	local count = 0
+ 	for _ in pairs(T) do count = count + 1 end
+ 	return count
+end
+
+-- Pause system n seconds
+local clock = os.clock
+function tools.sleep(n)  -- seconds
+  local t0 = clock()
+  while clock() - t0 <= n do end
+end
+
+-- Collision detection function
+function tools.check_circle_collision(circle1, circle2)
+	local distance = math.sqrt((circle1.x - circle2.x) ^ 2 + (circle1.y - circle2.y) ^ 2)
+	return distance <= circle1.radius + circle2.radius
+end
+
+-- Deep copy table
+function tools.clone_table(orig)
+    local orig_type = type(orig)
+    local copy
+    if orig_type == 'table' then
+        copy = {}
+        for orig_key, orig_value in next, orig, nil do
+            copy[tools.clone_table(orig_key)] = tools.clone_table(orig_value)
+        end
+        setmetatable(copy, tools.clone_table(getmetatable(orig)))
+    else -- number, string, boolean, etc
+        copy = orig
+    end
+    return copy
+end
+
+return tools