fpv/source/level.lua

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Lua
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local pd <const> = playdate
local gfx <const> = playdate.graphics
import "player"
import "ground"
import "backgroundSprite"
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import "balebaSprite"
import "dangerSprite"
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class("Level").extends()
-- This function relies on the use of timers, so the timer core library
-- must be imported, and updateTimers() must be called in the update loop
local function screenShake(shakeTime, shakeMagnitude)
-- Creating a value timer that goes from shakeMagnitude to 0, over
-- the course of 'shakeTime' milliseconds
local shakeTimer = playdate.timer.new(shakeTime, shakeMagnitude, 0)
-- Every frame when the timer is active, we shake the screen
shakeTimer.updateCallback = function(timer)
-- Using the timer value, so the shaking magnitude
-- gradually decreases over time
local magnitude = math.floor(timer.value)
local shakeX = math.random(-magnitude, magnitude)
local shakeY = math.random(-magnitude, magnitude)
playdate.display.setOffset(shakeX, shakeY)
end
-- Resetting the display offset at the end of the screen shake
shakeTimer.timerEndedCallback = function()
playdate.display.setOffset(0, 0)
end
end
function Level:init()
player = Player(30, 30)
player:add()
ground = Ground(400, 225, player)
ground:add()
BackGround()
local fp = playdate.sound.fileplayer.new( "audio/war" )
local hello = playdate.sound.fileplayer.new( "audio/hello" )
hello:play(1)
fp:setVolume(0.7)
fp:play(0)
Level.telemLostSound = playdate.sound.fileplayer.new( "audio/telemko" )
Level.telemLostSoundPlayed = false
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Level.balebas = {}
for i=1, 3 do
Level.balebas[i] = Baleba(math.random(410, 900), math.random(10, 210), player)
Level.balebas[i]:add()
end
t = playdate.timer.new(10000)
t.repeats = true
t.timerEndedCallback = function()
if #Level.balebas >= 6 then
return
end
local k = #Level.balebas+1
Level.balebas[k] = Baleba(math.random(410, 900), math.random(10, 210), player)
Level.balebas[k]:add()
print("Baleba added")
end
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end
function Level:update()
if player.isDead() then
if not Level.telemLostSoundPlayed then
Level.telemLostSound:play(1)
Level.telemLostSoundPlayed = true
screenShake(500, 5)
end
gfx.drawText("Telemetry Lost", 100, 110)
end
local bat = player.getBat()
bat = math.floor(bat/100)
gfx.drawText("Bat: " .. bat, 10, 215)
-- gfx.drawText("Dis: " .. player.dischargeRate, 100, 215)
end