125 lines
3.3 KiB
Lua
125 lines
3.3 KiB
Lua
local love = require("love")
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local phys = require("phys")
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local inspect = require("inspect")
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local actors = {}
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function actors.buildActors(game)
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local asteroids = {}
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local asteroids_mt = { __index = asteroids }
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function asteroids.new(asteroid)
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local stageIndex = asteroid.stage or #game.asteroids.stages
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local stage = game.asteroids.stages[stageIndex]
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local instance = {
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angle = math.random() * phys.tau,
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speed = stage.speed,
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facing = math.random() * phys.tau,
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spin = (math.random() - 0.5),
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radius = stage.radius,
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sprite = stage.sprite,
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}
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for k, v in pairs(asteroid) do
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instance[k] = v
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end
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instance.stage = stageIndex
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setmetatable(instance, asteroids_mt)
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return instance
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end
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function asteroids:draw()
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local width = self.sprite:getWidth()
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local height = self.sprite:getHeight()
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love.graphics.push()
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love.graphics.setColor(1, 1, 1)
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local scale = 2 * self.radius / math.max(width, height)
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love.graphics.draw(self.sprite,
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self.x,
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self.y,
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self.facing,
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scale,
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scale,
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width / 2,
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height / 2
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)
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love.graphics.pop()
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end
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local bullets = {}
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local bullets_mt = { __index = bullets }
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function bullets.new(bullet)
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local instance = {
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spin = 0,
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}
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for k, v in pairs(game.ship.bullet) do
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instance[k] = v
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end
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for k, v in pairs(bullet) do
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instance[k] = v
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end
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instance.sound = love.audio.newSource(game.ship.bullet.sound)
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instance.timeLeft = instance.time
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setmetatable(instance, bullets_mt)
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return instance
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end
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function bullets:draw()
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love.graphics.push()
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love.graphics.setColor(0, 1, 0)
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love.graphics.circle('fill', self.x, self.y, self.radius)
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love.graphics.pop()
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end
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local ships = {}
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local ships_mt = { __index = ships }
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function ships.new(ship)
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local instance = {
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x = game.width / 2,
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y = game.height / 2,
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angle = 0,
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speed = 0,
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spin = 0,
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facing = phys.tau * 3 / 4,
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radius = game.ship.radius,
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}
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for k, v in pairs(game.ship) do
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instance[k] = v
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end
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for k, v in pairs(ship) do
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instance[k] = v
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end
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setmetatable(instance, ships_mt)
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return instance
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end
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function ships:draw()
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love.graphics.push()
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love.graphics.translate(self.x, self.y)
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love.graphics.setColor(1, 1, 1)
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local width = self.sprite:getWidth()
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local height = self.sprite:getHeight()
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local scale = 2 * game.ship.radius / math.max(width, height)
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love.graphics.draw(game.ship.sprite,
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0,
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0,
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(self.facing + phys.tau / 4) % phys.tau,
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scale,
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scale,
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width / 2,
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height / 2
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)
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-- TODO rocket exhaust
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love.graphics.pop()
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end
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return {
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asteroids = asteroids,
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bullets = bullets,
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ships = ships,
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}
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end
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return actors
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