ld23/sun.lua at master · cobrajs/ld23 · GitHub

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module(..., package.seeall)

require 'utils'
require 'vector'
require 'orbiter'

function Sun()
  self = orbiter.Orbiter()

  self.offset = 0

  self.orbitColor:set(unpack(color.grey.rgba))
  self.color:set(nil,nil,0)

  self.flareBullets = nil
  self.flareSound = love.audio.newSource('sounds/sunshot.ogg', 'static')

  self.parentInit = self.init

  self.init = function(self)
    self:parentInit()
    self.flare = false
    self.flareLength = 0
    self.flareFade = 0
    self.flareBulletType = 1
  end

  self:init()

  self.speed = 0.2
  self.size = 40

  self:updateOrbit()

  self.startFlare = function(self, bullets)
    self.flare = true
    self.flareLength = 1
    self.flareFade = self.flareFade + 1
    self.flareBullets = bullets
  end

  self.launchFlare = function(self)
    for i=1,359,2 do
      self.flareBullets:add(self.pos.x + math.cos(math.rad(i)) * self.size, self.pos.y + math.sin(math.rad(i)) * self.size, i, 2)
    end
    love.audio.stop(self.flareSound)
    love.audio.play(self.flareSound)
  end

  self.updateCallback = function(self, dt)
    if self.flare then
      self.flareLength = self.flareLength - dt
      if self.flareLength <= 0 then
        self.flareLength = 0
        self.flare = false
        self.flareFade = self.flareFade - 1
      end
      if self.flareFade == 97 then
        self:launchFlare()
      end
    end

    if self.flareFade % 2 == 1 then
      self.flareFade = self.flareFade + 2
    else
      self.flareFade = self.flareFade - 2
    end
    if self.flareFade < 0 then self.flareFade = 0 end
    if self.flareFade > 100 then self.flareFade = 99 end
    self.color:set(
      255 * (self.flareFade/100 * 0.8 + 0.2),
      255 * (self.flareFade/100 * 0.8 + 0.2),
      0
    )
  end

  return self
end