51 lines
1.5 KiB
Lua
51 lines
1.5 KiB
Lua
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local tools = require 'assets/scripts/tools'
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local asteroids = {}
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function asteroids.load(game)
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local imgs = {
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love.graphics.newImage('assets/sprites/asteroids/1.png'),
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love.graphics.newImage('assets/sprites/asteroids/2.png'),
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love.graphics.newImage('assets/sprites/asteroids/3.png')
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}
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local num = game.levelaa * 5
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local max_speed = 5
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-- Generate asteroids
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asteroids.bodys = {}
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for i=1, num do
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local temp_img = imgs[math.random(1, tools.table_length(imgs))]
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asteroids.bodys[i] = {
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x = math.random(0, game.canvas.width - temp_img:getWidth()),
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y = math.random(game.window.height / 2, game.canvas.height - temp_img:getHeight()),
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speed = math.random(1, max_speed),
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img = temp_img,
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angle = math.random(0, 90)
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}
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end
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end
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function asteroids.update(dt, game)
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-- Rotate asteroids
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for key, asteroid in pairs(asteroids.bodys) do
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value.angle = asteroid.angle + (dt * math.pi / 10)
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value.x = asteroid.x - asteroid.speed
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end
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-- Destroy asteroids
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for key, asteroid in pairs(asteroids.bodys) do
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if value.x + asteroid.img:getWidth() < 0 then
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table.remove(asteroid, key)
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end
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end
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-- Create asteroids
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if tools.table_length(asteroids.bodys) < asteroids.num then
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local temp_img = imgs[math.random(1, table_length(imgs))]
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asteroids.bodys[table_length(asteroids.bodys) + 1] = {
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x = game.canvas.width + temp_img:getWidth(),
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y = math.random(game.window.height, game.canvas.height - temp_img:getHeight()),
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speed = math.random(1, max_speed),
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img = temp_img,
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angle = math.random(0, 90)}
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end
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end
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return asteroids
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